A thorough examination of a large region that could be utilized as a road or an airport is called a reconnaissance survey.
What is the goal of the reconnaissance survey?
Its goal is to discover the more attractive routes or places while excluding the unworkable or impractical options. Existing maps and aerial photos could be very helpful.
The following are the fundamentals of the reconnaissance survey:
THE RECONNAISSANCE OBJECTIVE AS THE ORIGIN CONNECTS WITH AND MAINTAINS ENEMY FORCES. MAKE SURE TO RECONNAISSANCE CONSISTENTLY. KEEP YOUR ROOM FOR MANEUVER. FAST AND ACCURATE INFORMATION REPORTING-RETENTION OF RECONNAISSANCE ASSETS BUILD UP THE SITUATION QUICKLY.Since the examination is an important part of reconnaissance survey is considered the important aspect
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determine the vertical displacements at the center and ends of the loaded shaft indicated below. use the method of conjugate-beam and assume that ei is constant (60 pts).
The vertical displacement at the center of the loaded shaft is zero. The vertical displacement at the end of the loaded shaft is equal to the length of the shaft multiplied by the slope of the shaft.
What is vertical displacement?
Vertical displacement in tectonics refers to the movement of land inside a vertical direction, which causes uplift and subsidence. Rock layer displacement can reveal information about how and why the lithosphere of Earth evolves over the course of geologic time. Vertical displacement can be caused by a variety of processes, including isostatic adjustments and tectonic activity. When crust is reorganised as a result of a seismic event, tectonic activity causes vertical displacement. Vertical displacement as a result of sinking from an increased load and isostatic rebound from a removed load is the outcome of isostatic corrections. At the margins of convergent and divergent plate boundaries, tectonic activity results in vertical displacement. As the magma begins to rise to protrude weaker lithospheric crust, the movement of the magma in the asthenosphere can cause divergent plate boundaries.
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Consider the code below. What needs to be placed instead of ??? so that loop is run exactly 7 times?
public static void main(String args[]) {
int x = 7;
while( x > ??? ) {
System.out.println( x );
x--;
}
}
Question 4 options:
0
1
6
7
-1
The code provided will cause an infinite loop because the condition for the while loop will always evaluate to true. In order to make the loop run exactly 7 times, the condition should be x > 0.
What is code?
Computer code, or a set of instructions or a system of rules written in a specific programming language, is a term used in computer programming (i.e., the source code). It is also the name given to the source code after a compiler has prepared it for computer execution (i.e., the object code). Code is heavily used for cutting-edge ideas like artificial intelligence as well as machine learning, in addition to creating computer programmes and mobile applications. The next section will explain some additional applications and uses for the word code.
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1) (5 pts) (abet: 2) given the dfa below, give a regular expression that describes the language that it recognizes.
2((0+1)(0+1)*2+2)* is a regular expression that describes the language that it recognizes.
What is a regular expression?
A regular expression is a string of characters that specifies a text search pattern. String-searching algorithms typically use such patterns for "find" or "find and replace" operations on strings, as well as input validation. In theoretical computer science and formal language theory, regular expression techniques are developed.
SA=\epsilon (Eqaution 1)
SB=SB(0)+SB(1)+SB(2) + SA(0) + SA(1) (Eqaution 2)
SC=SA(2)+SD(2)+SC(2) (Eqaution 3)
SD=SC(0+1) + SD(0+1) (Eqaution 4)
Using arden's expression on equation 5 we can write it as:
SD=SC(0+1)(0+1)* (Equation 5)
We need to find SC to get the regular expression as it is the final state.
We substitute equations into one another to get the answers.
Substituting Equation 1 to equation 3 we get:
SC=\epsilon(2) + SD(2) + SC(2)
SC = (2+SD(2)) + SC(2)
Substituting Equation 5 into it we get:
SC=2+SC(0+1)(0+1)*2+SC(2)
SC=2+SC((0+1)(0+1)*2+2)
Using arden's therorem we can write it as:
SC=2((0+1)(0+1)*2+2)*
Hence 2((0+1)(0+1)*2+2)* is the regular expression that this DFA recongnizes.
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stress concentration does have effects on brittle materials on their behavior even under static loads. however, the geometric stress concentration is often ignored for cast-brittle materials, such as cast iron. why? choose the best answer.
Because local yielding or deformation occurs in ductile materials and thus reduces the concentration, stress concentration in ductile materials is not as severe as it is in brittle materials.
In the part design, a stress concentration is a location where the stress is much higher than it is elsewhere. The geometry of the part's sharp corners, holes, notches, or grooves is what most frequently causes stress concentrations. In order to ensure the component functions properly and safely, it is crucial to analyze it for stress concentration. The system's balance may be further hampered and serious repercussions may result if the fabricated or produced component is not entirely functioning under stress. The term "stress concentration" refers to a location that exhibits an abrupt geometric transition or discontinuity and is characterized by high localized stress relative to the body's average stress.
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Which of the following is an example of an advantage that a modern inventory management system provides? More than one answer may be selected. Check All That Apply A. Automatic reordering occurs when inventory levels dip below a pre-established threshold. B. Production is scaled up or scaled down depending on the pace of orders received and the amount of inventory currently available. C. Competing products are quickly developed based on products that have shown initial success. D. RFID tags that are part of a GIS system are included with manufactured goods once assembly is
Automatic reordering occurs when inventory levels dip below a pre-established threshold.
What is modern inventory management?The process of tracking and managing your company's inventory as it is purchased, produced, stored, and used is known as inventory management.It controls the complete flow of goods, from procurement to sale, ensuring that you always have the appropriate numbers of the appropriate item at the appropriate location at the appropriate time. When the amount of stock on hand hits a pre-set reorder point, an automatic reordering system places an order for the product.A computer can provide an automatic reorder based on calculations for the reorder point and a perpetual inventory system. An order that is manually entered by a member organization signifies that it was not entered into an electronic order-routing or execution system.To learn more about inventory management refer
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technician a says that bearings have a soft surface that flows away from high spots in case of a nick in the crankshaft. technician b says that dirt can be absorbed into the crank- shaft journal surface. who is right?
Technician A is correct that bearings have a soft surface that flows away from high spots in case of a nick in the crankshaft.
In order to transform the reciprocating action of a piston engine into rotating motion, a crankshaft is a mechanical component used. The pistons are propelled by the connecting rods through the crankshaft, which is a rotating shaft with one or more crankpins. The internal combustion engine's main structural support comes from the crankshaft. The engine's correct operation and the transformation of a linear motion into a rotating motion are both handled by the crankshaft. To provide a long service life, crankshafts should have exceptionally high wear and fatigue resistance. The reciprocating motion of the pistons is transformed into rotational motion by a crankshaft, which is a spinning shaft. Commonly utilized in internal combustion engines, crankshafts are made up of a number of cranks and crankpins to which the connecting rods are fastened.
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a weak entity set can always be made into a strong entity set by adding to its attributes the primary-key attributes of its identifying entity set. outline what sort of redundancy will result if we do so.
A weak entity set can always be converted into a strong entity set by simply adding to its attributes the primary-key attributes of its identifying entity set. But doing so will result in the redundant storage of the primary key.
Although a weak entity set can be transformed into a strong entity set by adding appropriate primary-key attributes, but this strategy results in the redundant storage of the primary key. Since the primary key of the weak entity set can be deduced from its relationship with the strong entity set, if we add primary-key attributes to the weak entity set, then they will be present in both the relationship set and the entity set that need to be the same, resulting in the redundant storage of the primary key.
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the left rear brake drum is scored, but the right rear drum looks as good as new. technician a says the left-side drum should be resurfaced and the right-side drum should be reinstalled without resurfacing. technician b says both sides should be remachined to a similar diameter. who is correct?
Technician b is correct because the left rear brake drum is scored, but the right rear drum looks as good as new then both sides should be remachined to a similar diameter.
A brake drum is a revolving cylinder-shaped component that is friction-activated by a set of shoes or pads pressing outward against it. Drum brakes are brakes where shoes are pressed against the inner surface of the drum. Drum brakes are frequently used at the rear. Compared to disc brakes, these brakes have more parts and are more difficult to maintain, but they cost less to make and are simple to add an emergency braking mechanism. The front and rear brakes are standard equipment on all automobiles. Your car may have a "disc brake" system on all four wheels, a "drum brake" system on all four wheels, or a combination of the two. Typically, the front brakes of your car have a disc system, and the rear brakes have a drum system.
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Write a function, remove_string(s,
n)
, which removes characters from string s from 0 up to
n−1
and returns a new string. Note
n
is a positive integer. (
30pts
) Ex1) remove_string('abcdefg', 3) returns 'defg'. Ex2) remove_string('abcdefg', 10) prints 'too long:' Ex3) remove_string('abcdefg', 7) prints 'empty string'. Ex4) remove_string('abcdefg') returns 'abcdefg'.
Program for a Function written in c++ for remove string from the first string which are present in the second string
// C++ program to remove duplicates
#include <bits/stdc++.h>
using namespace std;
char* removeChars(char* s1, int n1, char* s2, int n2) // It is a function
{
int arr[26.] = {0.};
int curr = 0;
for (int.i==0; i < n.2; i++.)
arr[s2.[i] - 'a'] = -1.0;
for (int. i==0; i < n.1; i++.)
if (arr[s1[i.] - 'a'] != -1) {
s1[curr] = s1[i].; // i.e, second string
curr++; // in string
}
s1[curr] = '\0'; // end of string
return s.1;
}
// driver code.
int main()
{
char string1.[] = "geeksforgeeks";
char string2.[] = "mask";
int n1 = sizeof(string1.) / sizeof(string1[0]);
int n2 = sizeof(string2.) / sizeof(string2[0]);
cout << removeChars(string1, n1, string2, n2) << endl;
return 0;
}
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Consider the following Point2D class.
public class Point2D
{
private double xCoord;
private double yCoord;
public Point2D(double x, double y)
{
xCoord = x;
yCoord = y;
}
}
Which of the following code segments, appearing in a class other than Point2D, will correctly create an instance of a Point2D object?
A Point2D p = (3.0, 4.0);
B Point2D p = Point2D(3.0, 4.0);
C new p = Point2D(3.0, 4.0);
D new Point2D = p(3.0, 4.0);
E Point2D p = new Point2D(3.0, 4.0);
Appearing in a class other than Point2D, will correctly create an instance of a Point2D object is:
E Point2D p = new Point2D(3.0, 4.0);
What is Point2D?
The Point2D class is part of JavaFX. This class represents a two-dimensional point in space. The Point2D class represents a 2D point by its x and y coordinates. We can construct three Point2D objects named point2d 1, point2d 2, and point2d 3 by supplying their x and y coordinates as inputs. We use the getX() and getY() functions to obtain the x and y values, which we then display. We are also computing and displaying the distance of each point from the origin. We also show if two points are equal or not using the equals() method and the distance between two points using the distance() function.
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which microphone preamplifier input impedance would be best for a microphone that has an output impedance of 100 ohms?
A microphone preamplifier with an input impedance of 1,000 ohms would be best for a microphone that has an output impedance of 100 ohms.
What is microphone preamplifier?
The electronic circuitry found inside a microphone or a different object or circuit to which the microphone is linked can both be referred to as microphone preamplifiers. The microphone preamplifier serves the same role in either scenario. A microphone preamplifier is a piece of sound engineering gear that gets a microphone signal ready for other gear to handle. Frequently, microphone signals are too weak to be adequately conveyed to equipment like mixing consoles and recording devices. Preamplifiers boost a microphone signal to line level by offering steady gain and reducing generated noise, which would otherwise cause the signal to be distorted. See Gain stage for more discussion on signal level. Informally, a microphone preamplifier is referred to as a mic preamp, micamp, preamp, mic pre, and pre.
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(pattern recognition: consecutive four equal numbers) rewrite the isconsecutivefour function in programming exercise 8.21 using a vector as follows: bool isconsecutivefour(const vector>
Using the knowledge in computational language in C++ it is possible to write a code that isconsecutivefour function in programming
Writting the code:
#include <iostream>
using namespace std;
#include<vector>
bool isconsecutivefour( const vector<vector<int>> &values)
{
int res=0;
//checking if the vector has consecutive fours row-wise
for(int i=0;i<values.size();i++)
{
for(int j=0;j<values[i].size()-3;j++)
{
//if a consecutive four is obtained
if(values[i][j]==values[i][j+1] and values[i][j+1]==values[i][j+2] and values[i][j+2]==values[i][j+3])
{
res=1;
break;
}
}// we break the outer loop if a consecutive four is found
if(res==1){
break;}
}
//if a consecutive four is obtained 1 is returned
if(res==1)
return 1;
for(int i=0;i<values[0].size();i++)
{
int j;
for( j=0;j<values.size()-3;j++)
{
//if a consecutive four is obtained
if(values[j][i]==values[j+1][i] and values[j+1][i]==values[j+2][i] and values[j+2][i]==values[j+3][i])
{
res=1;
break;
}
}// we break the outer loop if a consecutive four is found
if(res==1){
break;}
}
if(res==1)
return 1; //if a consecutive four is obtained 1 is returned
else
return 0; //if a consecutive four is not obtained 0 is returned
}
int main() {
int r,c;
//input number of row
cout<<"Enter row size : " ;
cin>>r;
cout<<endl;
//input number of columns
cout<<"Enter column size : ";
cin>>c;
cout<<endl;
vector<vector<int>> values(r,vector<int>(c,0));
cout<<"Enter the values :"<<endl;
int x;
for(int i=0;i<r;i++)
{
for(int j=0;j<c;j++)
{
cin>>x;
values[i][j]=x;
}
}
bool res;
res=isconsecutivefour(values);
if(res==1) // if a consecutive four is found
cout<<"The array has consectutive fours"<<endl;
else //consecutive four is not found if 0 is returned
cout<<"The array does not have consectutive fours"<<endl;
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Which of these is not an example of a cold-formed steel product?
A. Light-gauge C-channel
B. Steel deck
C. Steel tubing
D. Steel angle
E. Concrete prestressing strands
Steel angle is not an example of a cold-formed steel product.
What is steel?
In order to increase its strength and resistance to fracture in comparison to other kinds of iron, steel is an alloy composed of iron and often contains a few tenths of a percent of carbon. Many additional components could be included or added. An additional 11% chromium is often required for corrosion- and oxidation-resistant stainless steels. Steel is utilised in structures, infrastructure, tools, vehicles, machinery, electrical appliances, weaponry, and rockets due to its great tensile strength and low price. Steel's foundational metal is iron. It can take one of two crystalline (allotropic) forms, body-centered cubic or face-centered cubic, depending on the temperature. Steel and cast iron's variety of special qualities are a result of the interaction of the various iron allotropes with the alloying elements, primarily carbon.
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Write a program that gets a list of integers from input, and outputs non-negative integers in ascending order (lowest to highest).
Ex: If the input is:
10 -7 4 39 -6 12 2
the output is:
2 4 10 12 39
For coding simplicity, follow every output value by a space. Do not end with newline.
A program that gets a list of integers from input, and outputs non-negative integers in ascending order
#include <stdio.h>
#include <stdlib.h>
int main(void) {
int num;
int *arr = NULL;
int size = 0;
int capacity = 0;
while (scanf("%d", &num) == 1) {
if (size == capacity) {
if (capacity == 0) {
capacity = 1;
} else {
capacity *= 2;
}
arr = realloc(arr, sizeof(int) * capacity);
}
arr[size] = num;
size++;
}
for (int i = 0; i < size - 1; i++) {
for (int j = 0; j < size - 1 - i; j++) {
if (arr[j] > arr[j + 1]) {
int temp = arr[j];
arr[j] = arr[j + 1];
arr[j + 1] = temp;
}
}
}
for (int i = 0; i < size; i++)
What is integer?
The collection of the whole numbers or negative numbers is known as an integer in mathematics. Integers, like whole numbers, do not include the fractional portion. Integers can therefore be defined as numbers that can be positive, negative, or zero but not as fractions. On integers, we can carry out all arithmetic operations, including addition, subtraction, multiplication, and division. Integer examples include 1, 2, 5, 8, -9, -12, etc. "Z" stands for an integer. Let's now go over the definition of integers, their symbol, types, operations, laws, and properties, as well as how to display them on a number line with numerous worked-out examples.
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a data analyst inputs the following code in rstudio: change 1 <- 70 which of the following types of operators does the analyst use in the code? a. arithmetic b. assignment c. logical d. relational
An operator or concept used in programming that evaluates or defines a relationship between two entities is known as a relational operator. Equalities and inequalities in numbers are among them.
What does the C relational operator mean?An operator that examines relationships between operands does so. It yields a value of 1 if the relationship is true and a value of 0 if the relationship is false. Relational operators are employed in loops and decision-making.Two of the available values are compared using relational operators to determine the relationship between the two value pairs. Like equal to, better than, worse than, etc. The complete list of relational operators in the C language is as follows: the same.An operator or concept used in programming that evaluates or defines a relationship between two entities is known as a relational operator. Equalities and inequalities in numbers are among them.To learn more about Relational operators refer to:
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consider the following page reference string:
7,2,3,1,2,5,3,4,6,7,7,1,0,5,4,6,2,3,0,1.
Assuming demand paging with paging with three frames, how many page faults would occur for the following replacement algorithms?
a. LRU replacement
b. FIFO replacement
c. Optimal replacement
Assuming demand paging with three frames, the number of page faults that would occur for the following replacement algorithms are:
Using LRU Replacement Algorithm: 18 Page Faults.Using FIFO replacement Algorithm: 17 page FaultsUsing Optimal Replacement Algorithm: 13 Page Faults.What is demand Paging?
Demand paging is a way of managing virtual memory in computer operating systems. In a demand paging system, the operating system transfers a disk page into physical memory only if it is attempted to be accessed and the page is not already in memory.
The LRU page replacement method creates a new page by replacing the least recently used page in memory. The LRU page replacement technique is based on the idea that the least recently used page in memory will not be utilized for a long period.
The most basic page replacement technique is the FIFO Replacement Algorithm. In this technique, the operating system maintains a list of all pages in memory in a queue, with the oldest page at the top.
The best page replacement algorithm is optimal page replacement since it produces the fewest number of page defects. The pages that will not be utilized for the greatest period of time in the future are replaced by this algorithm.
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Calculate the total number of hosts per subnet that you can derive from the network ID 192.168.1.0 255.255.255.224.
a.
16
b.
30
c.
32
d.
24
The total number of hosts per subnet that you can derive from the network ID 192.168.1.0 255.255.255.224 will be 32.
What exactly is a network?
A network consists of two or more computers that are linked together to share resources (such as printers and CDs), trade files, or permit electronic communication. Computers on a network may be connected by cables, telephone lines, radio waves, satellites, even infrared laser beams.
Given,
IP address =192.168.1. 0
Subnet mask= 255.255.255.224
NID = IP
AND Subnet = 192.168.1.0
AND 255.255.255.224 =192.168.1.0
From this we can sya that it is C ipaddress
NID bits =24
NID + SID = 27 SID = 3
Host bits = 8-3 = 5
No of subnet= 2^3=8
Total no of host per subnet = 2^5=32
So, the correct answer is option c.
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if the mercury in a manometer raises 13.5 millimeters due to a change in pressure, what is the corresponding change in pressure in atm?
The mercury in a manometer raises 13.5 millimeters due to a change in pressure the corresponding pressure is 0.0178 atm.
What is manometer?Manometer is defined as an instrument for measuring the pressure acting on a column of fluid that consists of a U-shaped liquid tube in which the liquid rises to various heights in the two arms due to different pressures acting in the two arms of the tube.
We know that
1 atm = 760 mmHg
So, X atm = 13.5 mmHg
X x 760 = 13.5 x 1
X = 13.5 / 760
X = 0.178 atm
Thus, the mercury in a manometer raises 13.5 millimeters due to a change in pressure the corresponding pressure is 0.0178 atm.
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what is difference between computer science engineering management and computer science engineering systems?
Answer:
A CS degree focuses on sequential programming and software design while a computer systems engineering degree divides the focus evenly between high-level and low-level programming.
Both are correlated to technology which makes it hard for the students to choose the best suitable course.
Explanation:
SOURCE: www.computersciencedegree.hub
Assuming a 1-KB page size, what are the page numbers and offsets for the following address references (provided as decimal numbers)? a. 21205 b. 164250
The page numbers and offsets of the following address reference are 1663 and 6595 respectively.
Given,
Page size= 1 (*KB) = 2n = 1024 = 210
So, the value of bits of offest part is n = 10
a. 21205
Binary Format = 101001011010101
This binary address is split into 2 parts, first is page no. and other part is page offset
Page no. : 01010010 = 82 (in decimal)
Page offset : 11010101 = 213 (in decimal)
b. 164250
Binary Format = 00101000000110011010
Page no. : 0010100000 = 160 (in decimal)
Page offset : 0110011010 = 410 (in decimal)
c. 121357
Binary Format = 00011101101000001101
Page no. : 0001110110 = 118 (in decimal)
Page offset : 1000001101 = 525 (in decimal)
d. 16479315
Binary Format = 111110110111010001010011
Page no. : 111110110111 = 4023( in decimal)
Page offset : 010001010011 = 1107 (in decimal)
e. 27253187
Binary Format = 0001100111111101100111000011
Page no. : 00011001111111 = 1663(in decimal)
Page offset : 01100111000011 = 6595 ( in decimal)
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What is not one of the 3-stage parametric equalizer adjustments on a yaesu ft-dx10?.
The 3-stage parametric equalizer adjustments on a Yaesu FT-DX10 are high frequency, middle frequency, and low frequency.
What is parametric equalizer?
This illustration demonstrates how to create parametric equalizer filters. Digital filters known as parametric equalisers are used in audio to modify the frequency content of a sound input. By permitting adjustments to the gain, centre frequency, and bandwidth of each filter, parametric equalisers offer capabilities beyond those of graphic equalisers. Graphic equalisers, on the other hand, only let you change the gain of the each filter. Typically, second-order IIR filters are used to create parametric equalisers. These filters have the issue of having relatively wide ripple or transition areas due to their low order, and when multiple of them are combined in a cascade, they may overlap. The ability to create high-order IIR parametric equalisers is provided by Audio ToolboxTM. Such high-order designs provide each filter's shape much greater flexibility.
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calculate the percent yield of the product from bromination of cis-stilbene and the percent yield of the product from bromination of trans-stilbene.
Bromine and chlorine easily react with alkenes in addition reactions. This experiment involves brominating trans-stilbene with a 10% bromine dichloromethane solution. As a result, an addition reaction occurs, and 1,2-dibromo-1,2-diphenylethane is formed.
Step-by-step explanation:
stilbene + Br2 ----> PRODUCT(dibromostilbine)
No of moles of stilbene = 0.55/180.25 = 0.00305 mole
limiting reagent = stilbene
so that,
No of moles of PRODUCT = 0.00305 mole
massof product produced = 0.00305*260.25 = 0.793 gram
Theoretical yield = 0.793 gram
dibromostilbine molarmass = 260.25 g/mol
practical yield = 0.68grams
percent yield = practical yield /Theoretical yield *100
= 0.68/0.793*100 = 85.75%
Trans-stilbene acts as a nucleophile, while bromine acts like an electrophile. As a result, the bromine reagent electrophilically adds to the nucleophilic double bond. The Br-Br bond becomes polarized, and the more positively charged Br atom is transferred to the alkene, resulting in the formation of a bromonium ion.
Bromine addition begins on one side of the double bond (either side is equally likely, but only one option is chosen) and is followed by bromide ion attack on bromonium ion (again, attack could occur by carbon because the ion is symmetric, but only one option drawn). As shown above, the end result is a trans dibromide.
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technician a states that disc brake rotors can be of the hub-style. technician b states that disc brake rotors can be of the hubless-style. who is correct?
Both Technicians A and B are accurate when they say that disc brake rotors can be either hub-style or hubless-style.
With disc brakes, the brake pads attached to the brake callipers grip on the rotating braking rotors to stop or slow down the wheels. Friction is created by the brake pads pressing against the rotors, which turns kinetic energy into heat energy.
Although this thermal energy produces heat, it may be effectively dispersed since the primary components are exposed to the environment. This ability to dissipate heat lessens brake fade, a condition where heat affects how well a vehicle brakes. The resistance of disc brakes to water fade, which happens when water on the brakes considerably lowers braking force, is another benefit. The rotor spins rapidly as the car is moving, and this rotational motion discharges the water from the rotors themselves, resulting in stable braking force.
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what are the reasons why fine grained of alkali igneous rocks can not be used in cement
Fine grained of alkali igneous rocks cannot be used in cement because of the volume expansion caused by the Alkali-silica reaction, fine-grained igneous rocks cannot be used as aggregates in cement.
What does fine grained mean in an igneous rock?Extrusive igneous rocks have a fine-grained or aphanitic texture, with grains that are too small to see without a magnifying glass. The fine-grained texture suggests that the rapidly cooling lava did not have enough time to form large crystals. A petrographic microscope can be used to examine these tiny crystals.
The texture of an igneous rock (fine-grained vs coarse-grained) is determined by the rate at which the melt cools: slow cooling produces large crystals, while fast cooling produces small crystals.
The chemical reaction that occurs in both alkali cations and hydroxyl ions in the pore solution of hydrated cement paste and certain reactive silica phases present in concrete aggregates is known as the alkali-silica reaction (ASR).
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high gas flow rates . a. decrease the venturi effect b. decrease contamination c. provide better weld coverage d. waste shielding gases
The correct answer is d. waste shielding gases. therefore, the correct opyion is (d) option.
The two inert gases that are generally used for shielding gases are argon and helium. Helium is a less dense gas than argon which means that when helium is used, more cubic feet per hour are required than with argon. Lower voltages can be used with argon than with helium because it has a lower electrical resistance. Shielding gases are inert or semi-inert gases that protect the weld from damage as a result of contact with atmospheric gases. They affect the amount of heat produced by the arc and the appearance of the resultant weld bead.
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5. Technician A says that a direct report program is repair program that directly involves the insurar company, the repair shop, the original equipme manufacturer, and the agent that sold the polic Technician B says that blending an undamaged panel is also referred to as "fooling the custom Who is correct?
A. Technician A only
B. Technician B only
C. Both Technicians A and B
D. Neither Technician A nor B
It can be inferred from the above that "Neither Technician A nor B is correct" (Option D). Note that blending an undamaged vehicle panel is required when there is very minimal damage or dent to the panel. In this case, the technician utilizes filling, spraying, and polishing to hide the dent. This is standard practice and is not considered fooling the customer.
What is a blend within the panel?When repairing a minor dent in a panel, the "blend inside panel" approach is frequently utilized. Blending is a method used on a non-repaired, undamaged panel to eliminate color differences between a refinished panel and the existing paint on surrounding panels.
The most typical blending process seen on insurance quotes is on bumpers and doors. Insurers pay half the restore time and then approve full clear, significantly cutting refinishing time by an hour for each repair.
From a 320-grit completed mended area, the repaired area still has to be brought up to refinish requirements.
Not only has a part of the refinish time been wasted, but extra operations are required to restore the panel to its original, undamaged state. Most estimate P pages include refinishing timelines for fresh, undamaged panels, rather than those that require preparation.
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the following data are obtained when open-circuit and short-circuit tests are performed on a single-phase, 50-kva, 2400/240-volt, 60-hz distribution transformer.
With relatively little power given to the transformer and winding currents of the same size as during operation, a short-circuit test is performed to determine the transformer impedance and losses.
What is open-circuit test on a single phase transformer?One approach used in electrical engineering to ascertain the no-load impedance of a transformer's excitation branch is the open-circuit test, also known as the no-load test. The open circuit, which is shown on the right side of the picture as the "hole" or incomplete component of the circuit, is a representation of the no load.Impedance series is neglected:E1 = N1/N2 = E2=N1/N2 V2 = (2400/240) 240<° = 2400<0°V
N2 / N1 I 2 = 240 / 2400(4.85) = 0.485A
GC = P2 / E1 ² = 173 / (2400)² = 3.003 × (10 )-5 S.
YC = (N2 / N1 I2)/E1 = 0.485 /2400 = 2.021 × (10-)4S
BM = √Y²C - G²C = √(2.021 ×( 10)-4)² - (3.003 × (10)-5 )² = 1.998 × (10 )-4 S
YC = GC - JBM = 3.003 × (10) -5 - j1.998 × (10)-4 S
= 2.021 × (10) -4 < -81.45°S.
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BAND SAW SAFETY TEST PART 2,
The completed sentences with respect to carpentry tools are given as follows:
Use only a sharp blade with a proper set.When the blade is properly installed the teeth should point down.The blade should be adjusted so it runs 1/32 of an inch from the blade support wheel;Keep your hand at least two inches from the blade.Use a band saw when sawing small stock/pieces.Adjust the upper guide about 1/8 to 1/4 inches above the material being cut.Properly adjust the band saw blade so it will run on the center of the wheels.Move the upper guide only while the saw is stopped.The smallest radius that can be safely cut with a 1/2 inch wide blade is 1, 1/4 inchesA dull or improperly set blade will cause the blade to lean to one side on the workpiece.The name of the add-on tool we use to rip wood on the band saw is called a table saw.When you cross or cut angles on the band saw you use a Crosscut sled or cross-cut saw.What is the benefit of knowing the right carpentry tool to use?Because each instrument is precisely built for a specific function, selecting the appropriate tool will also reduce the amount of effort necessary to do a job correctly without causing harm to either the machinery or the material being worked on.
Many construction mishaps can be avoided by planning ahead of time.
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a chip with a certain area designed using the 5-um process of the late 1970s contains 20000 mosfets. what does moore's law predict the number of transistors to be on a chip of equal area fabricated using the 32-nm process of 2013 ?
Moore's law predicts that the number of transistors on a chip of equal area fabricated using the 32-nm process of 2013 will be 430000
What is transistor?
The semiconductor device known as a transistor is used to switch or amplify electrical impulses. The transistor is one of the fundamental components of contemporary electronics. It has at least three terminals for connecting to an electronic circuit and is made of semiconductor material. The current flowing through another pair of a transistor's terminals is controlled by the voltage or current provided to one set of those terminals. A transistor can magnify a signal because the regulated (output) power can be greater than that of the controlling (input) power. Although many more transistors are found embedded in integrated circuits, some are packaged individually. Julius Edgar Lilienfeld, an Austro-Hungarian physicist, first presented the idea of a field-effect transistor around 1926, but it was not feasible to create a functional device at that time.
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nitrogen gas at 60 kpa and 7 c enters an adiabatic diffuser steadily with a velocity of 275 m/s and leaves at 85 kpa and 27 c. determine (a) the exit velocity of the nitrogen and (b) the ratio of the inlet to exit area a1/a2.
The exit velocity of the nitrogen and (b) the ratio of the inlet to exit area a1/a2 is 0.8 g.
PI= 60 KPa
Vi= 275 m/sec
T1=280K
P2=85kpa
T2=300K
S1=0.2967kj/kg
Cp = 1.04 kalkg
S1=60 X 10³/0.2957x 10³x 280=0.73kg/m³
S2=P2/RT2=
85 x 10³/0.2967*10³*300
= 0. 9546 19/m³
h1+C1²/2000=h2 +C1²/2000
C2=184.45 SEC
S1A1C1=S2A2C2
A1/A2=0.88G
=0.8G
Atomic number 7 and the chemical symbol N belong to nitrogen. The lightest element in group 15, or the pnictogens, of the periodic table, nitrogen is a nonmetal. It is a typical element in the cosmos and is thought to be the seventh most abundant in the Milky Way and the Solar System. With an atomic number of 7, nitrogen is a chemical element. The chemical compound known as molecular nitrogen (N2) is made up of two tightly bound nitrogen atoms.
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