A 75-hp, 850 r/min, 500-V series motor has an efficiency of 90.2 percent
when operating at rated conditions. The series field has 30 turns/pole, and
the motor parameters are:
Armature
0.1414 ohms
IP + CW
0.0412 ohms
Series
0.0189 ohms
Resistance,
The motor has a maximum safe speed of 1700 r/min. Is it safe to operate the
motor with a 10-hp shaft load? Use the magnetization curve in Figure
11.16, and show all work. Neglect changes in windage and friction
Answers
It is not safe to operate the motor with a 10-hp shaft load.
Explanation :
Solution-
First, determine the rated speed and current of the motor:
Rated speed = 850 r/min
Rated current = 500 V / (0.1414 ohms + 0.0412 ohms + 0.0189 ohms) = 30.22 A
Next, determine the speed and current for a 10-hp shaft load:
Speed = 1700 r/min
Current = 10 hp / (75 hp * 0.902) = 0.1343 A
Finally, determine whether it is safe to operate the motor with the 10-hp shaft load using the magnetization curve. we can see that the current at 1700 r/min is 0.1264 A, which is less than the current for the 10-hp shaft load (0.1343 A).
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Related Questions
A hallow steal tube with an inside diameter 50 mm must carry atensile load of 500 KN.
Determine the outside diameter of the tube if the stress is limited to 120 MN/m2
Answers
53mm is the outside diameter of the tube which is having inner diameter 50mm and carrying a tensile load of 500KN and stress limited to 120MN/m2.
Stress: Internal Resistance offered by a body to the deformation when the force applied on it.
For Hallow steel tube which is having Inner diameter Di =50mm and outer diameter Do=
Tensile load F=500KN and Tensile stress σ=120MN/m2
Stress= Force/unit area σ=[tex]\frac{F}{A}[/tex]
Area of the Hollow steel tube is A= π/4(Do²-Di²)
F=σA ⇒ 500000= 120×π/4 (Do²- (50)²)
500000= 30π(Do²-2500)
500000=30πDo²-75000π
500000-75000π=30πDo²
(500000-75000π)/30π=Do²
Do=52.96(53)mm
Hence outer diameter is 53mm
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7.41 two channels are welded to a rolled w section, as shown. determine the moments of inertia and the radii of gyration of the combined section with respect to the centroidal x and y axes.
Answers
When the two channels are welded to a rolled w section, the radius of gyration will be,
Radius of the gyration on the X-axis will be -
[tex]K_{X}[/tex] = 4 in
Radius of the gyration on the Y-axis will be -
[tex]K_{Y}[/tex] = 2.54 in
What is Radius of Gyration?
A body's radius of gyration, or gyradius, is always centered on an axis of rotation. It is defined as the spiral distance to a point with a moment of inertia. A rigid body's radius of gyration is a geometric property. Consider the center of mass. It is analogous to the body's actual mass dissemination. If the entire body's mass is concentrated.
In physics, the radius of gyration refers to the technique for dispersing various segments of the item present around an object in material science. The radius of gyration is the perpendicular distance taken from the rotational axis to an explicit point of mass when viewed in terms of the moment of inactivity.
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what is the lighting load on a 120v circuit for six 100w incandescent lights and four fluorescent fixtures with a ballast rating of 1.5a, all operating continuously for 8 hours per day?
Answers
Note that the lighting load on a 120v circuit for six 100w incandescent lights and four fluorescent fixtures with a ballast rating of 1.5a, all operating continuously for 8 hours per day is: 10,560 Watts.
What is Lighting Load?A building's lighting loads are sometimes referred to in terms of "Lighting Power Density," which is measured in watts per square foot or square meter.
It is to be noted that a single calculation is used to compute lighting load:
W=VA.
Where
W = Watts
V = Volts; and
A = Amps
To determine the total wattage for the fluorescent fixtures we say:
4 fixtures x 1.5 amps x 120 volts = 720 watts
Next, we add the wattages for the incandescent lights and fluorescent fixtures to get the total wattage for the circuit. That is:
(6 x 100watts) + 720 watts
= 600 watts + 720 watts
= 1,320 watts
Thus the Load is 1,320 watts.
If all lighting will operate continuously for 8 hours/day, then:
Daily energy consumption will be:
1320 x 8
= 10,560 Watts.
Thus, the Lighting Load on a 120v circuit for 6 100w incandescent lights and four fluorescent fixtures with a ballast rating of 1.5a Operating at 8 hours per day is 10,560 Watts.
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Explain how the following scenario illustrates a failure to understand the importance of attending an accredited academic program.
Situation: Sean is a recent graduate with a bachelor’s degree in athletic training from a non-accredited college. He wants to obtain a position at a rehabilitation clinic but is having trouble finding a job. Sean: “I do not understand why I cannot seem to get hired. I have all the coursework. We were not required to take clinical labs.”
Answers
Accreditation is a process that determines whether educational programmes meet predefined quality standards.
Accreditation is not permanent; it must be renewed on a regular basis to ensure that the educational program's quality is maintained.
What is accredited program ?Accreditation is the recognition by an accrediting agency that an institution meets certain educational standards. The United States Department of Education keeps a database of accrediting agencies that it recognizes.Academic accreditation in the United States is voluntary, decentralised, and carried out by numerous non-governmental, non-profit organisations. Academic accreditation typically concludes with an external quality review conducted by a team of professional experts from academia or industry.Attending an unaccredited programme may prevent you from receiving federal financial aid, from transferring credits to another school, and from obtaining appropriate professional licensure in your field.While some unaccredited programmes may provide beneficial learning experiences, not all educational opportunities are created equal. Attending an unaccredited programme may prevent you from receiving federal financial aid, from transferring credits to another school, and from obtaining appropriate professional licensure in your field.To learn more about Accreditation refer :
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An offset can be used for which of the following purposes?
I. To avoid the use of fittings
II. To change the direction of the conduit
III. To change the elevation of the conduit
IV. To enter a knockout in a box or enclosure
V. To go around an obstruction
Select one:
a. I., II., and III.
b. II., III., and IV.
c. III., IV., and V.
d. IV. and V. only
Answers
In order to avoid fits, To reverse the conduit's direction, to modify the conduit's elevation.
What is the offset angle that is most frequently used?The most typical bend is a 30° bent, followed by another 30° bend, for a total bend of 60°, however this is not always necessary. All hand benders include bend markings of 10, 22, and, on occasion, 45 or 60 degrees. These bends should be employed when necessary.
What is the name for a 90-degree bend?a curve at a right angle. a 90° curve. the increase in a conduit section. Stub-up. the conduit's real length after it has been bent.
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The state of stress at a point consists of a major principal stress of 10,000 psf and a minor principal stress of 5,000 psf. The major principal stress acts in the vertical direction.
(a) Draw the Mohr's circle of stress and show the pole point (origin of planes).
(b) Determine the maximum shear stress.
(c) Determine the normal stress and shear stress on a plane that makes an angle of 60° with the minor principal plane.
Answers
The Maximum Shear Stress will be 7500 pst and
The Normal Stress on 60° with the minor principal plane will be 8750pst.
The Shear Stress on 60° with the minor principal plane will be 2165.063pst.
The answer to the Mohr's circle of stress is attached in this answer below.
What is Mohr's circle?
Mohr's circle is a crucial concept in Civil Engineering that is used in the domain of stress and strain. Mohr's circle depicts stress and strain at various planes for a stressed body in two dimensions. Mohr's circle is a concept used in soil mechanics and material strength to find stress and strains at different planes.
Mohr's circle is a collection of points that represent the magnitude of normal and shear stress at various planes in a stress element. Mohr's Circle can also be used to calculate the normal and shear strains of a plane strain system.
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Design the following circuit in Verilog, be careful with syntax and all language rules, commas, semicolons etc. (Any mistake, even if small, will result in deductions) Use async/active-low reset for all flip-flops. (Note: thick wires represent 4 bit connections...) XIN[3:0] MUX data_in[3:0] XOUT[3:0] D Q CLK ARSIN CLK ARSTN SEL
Answers
Below is the design of the circuit in Verilog, with syntax and all rule of language like commas, semicolons etc.
VERILOG CODE IN STRUCTURAL MODEL:
1) VERILOG CODE OF D FLIP FLOP
module DFF (CLK, D, ARSTN, Q);
input CLK, D, ARSTN;
output Q;
reg data = 1'b0;
if (ARSTN)
data <= 1'b0;
else
data <= D;
assign Q = data;
endmodule
2) VERILOG CODE OF MUX
module MUX (d0, d1, SEL, Y);
input d0, d1, SEL;
output Y;
assign Y = SEL ? d0 : d1;
endmodule
3) VERILOG CODE OF TOP FILE
module circuit (XIN, data_in, CLK, ARSTN, SEL, XOUT);
input XIN, data_in, CLK, ARSTN, SEL;
output XOUT;
wire s0, s1;
DFF UUT0 (CLK, data_in, ARSTN, s0);
MUX UUT1 (XIN, s0, SEL, s1);
DFF UUT2 (CLK, s1, ARSTN, XOUT);
endmodule
OUTPUT:
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All digital systems that perform arithmetic operations must indicate _______ and ________ for numbers.
A. size, base
B. sign, magnitude
C. sign, base
D. magnitude, base
Answers
For numbers, any digital systems that perform arithmetic operations must display the "sign" and "magnitude."
A "digital system" is a collection of components that uses hardware, software, and networks. For instance, a computer has a central processing unit, a hard drive, a keyboard, a mouse, and a monitor, among other things. One system may be made up of a multitude of different pieces. There are just a few discrete values available for signals in digital systems. Analog systems take values from a continuous set, whereas Mixed Signal Systems use both Digital and Analog components. The digital and analog systems are commonly used to represent signals. The numerous digital systems that are all around us include computers, smartphones, scanners, cash registers, and digital ticket readers.
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A company stores products in a warehouse. Storage bins
in this warehouse are specified by their aisle, location
in the aisle, and shelf. There are 50 aisles, 85 horizontal
locations in each aisle, and 5 shelves throughout the warehouse. What is the least number of products the company
can have so that at least two products must be stored in
the same bin?
Answers
The least number of products the company can have so that at least two products must be stored in the same bin is 850.
What is LCM?The least common multiple, lowest common multiple, or smallest common multiple of two integers a and b, denoted by lcm in arithmetic and number theory, is the smallest positive integer that is divisible by both a and b.
The least common multiple (LCM) of two numbers is the smallest number that is divisible by both numbers. It can also be calculated for two or more numbers. There are several methods for calculating the LCM of a given set of numbers. One of the quickest ways to find the LCM of two numbers is to prime factorize each number, and then multiply the product of the highest powers of the common prime factors by the LCM of those numbers.
In this situation, since there are 50 aisles, 85 horizontal locations in each aisle, the lowest common multiple for 50 and 85 is 850.
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determine the shearing stress for an incompressible newtonian fluid with a velocity distribution of where v in m/s
Answers
Stresses in a Newtonian fluid due to shear. A fluid cannot resist shearing forces while it is at rest. These forces cause it to continuously distort.
What does fluid under shear stress mean?Many non-Newtonian fluids are shear-thinning or pseudoplastic, that is the viscosity h) decreases with increasing shear-rate γ. The product, however, constantly grows with increasing shear-rate since the size of the shear stress always does as well.
What does Newtonian fluid shear rate mean?A fluid that has constant viscosity and a shear rate that is directly proportional to the shear stress is referred to as a Newtonian fluid.
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Accenture is helping a client improve their business agility by reducing time to
market, increasing product quality, and enabling continuous delivery.
The client team responsible for quality checks sometimes takes longer to finish
testing all aspects of their product.
What should Accenture suggest the client do to decrease the testing time?
Answers
Utilizing DevOps will help to lengthen the testing process, which improves business agility and raises the caliber of the final product.
What should Accenture suggest the client do to decrease the testing time?Deploying DevOps sooner during the testing process will shorten the testing period.The DevOps platform from Accenture is the best tool for helping teams and individuals choose, assess, develop, and simulate end-to-end testing solutions while also making the most of their time.Time must be used efficiently without losing quality inspections.Software delivery can be made more effective and efficient by interacting, coordinating, integrating, and automating between IT operations and software developers, according to the DevOps IT philosophy.To improve delivery predictability, efficiency, security, and maintainability, DevOps teams prioritize standardizing development environments and automating delivery processes.Automated testing ensures that the code is prepared for deployment.Once the code has passed all automated testing, it is made available to a select number of users.To learn more about Accenture refer
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A 32-byte, 2-way set-associative cache (using write-back with write allocation and LRU replacement policies) with 8-byte blocks receives requests for the following 8-bit addresses (represented in binary): 0000 0100, 0000 0101, 0110 1000, 1100 1000, 0110 1000, 1101 1101, 0100 0101, 0000 0100, 1100 1000 (a) Draw the detailed cache block diagram. Specify which parts of the 8-bit physical address are used for tag, set index, and byte offset. (6) In your cache, what will be the tags at the end of the sequence? Assume that cache is initially empty. Determine hit ratio and show the final states of the cache (including tag bits and valid bit etc.). Show all your work to get full credit (6) Determine the total size of the cache in bits including the tag and other bits (valid, dirty, LRU).
Answers
As soon as you step foot on our campus in lovely Columbia, South Carolina, you'll understand what it means to be surrounded by kind and enthusiastic academics and an engaging and encouraging community culture.
How does LRU function?
When the available space is full, the Least Recently Used (LRU) algorithm updates the cache. By deleting the least recently used values, it enables us to obtain the values more quickly. LRU cache is a frequently asked question that is typically asked directly but may occasionally be asked in a different way.
Why does LRU outperform FIFO?
The most recently used items are retained by LRU. FIFO only stores items that have just been added. Because there are typically items put to memory only once and never used again, as well as those introduced and utilized frequently, LRU is normally more efficient.
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In a steel framed building Where floor loads and spans dictate, _ beams are used to support the floor instead of the lighter open web joists. _ joists are also sometimes used.Steel beamsLight gauge steel joists
Answers
Standard or "S" beams, wide flange or "W" beams, and pile or "H" beams are the three types of structural steel beams and girders that are available. Standard beams are designated by the letter S, the nominal web height in inches, the weight per foot in pounds, and finally the type of material.
A steel structure is what?
A steel structure is a metal building composed of solid structural steel pieces that are joined together to support loads. These buildings are dependable and use less raw materials than others, such as concrete, due to the high strength of steel.
What are the many types of steel structures?
In addition to L-beams, Z-shapes, HSS-shapes, L-shapes (angles), structural channels (C-beams, cross sections), T-shapes, rail profiles, bars, rods, and plates, structural steel also comes in a variety of shapes, including open joists made of web steel.
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Suppose we have the instruction LDA 800. Given memory as follows: Memory 800 900 900 1000 1000 500 1100 600 1200 800 What would be loaded into the AC if the addressing mode for the operating is immediate? A) 800 B) 900 C) 1000 D) 500 E) None of the above
Answers
If the addressing mode for the instruction is immediate, then the value that is loaded into the accumulator (AC) will be the value of the instruction itself, which in this case is 800. So the answer would be A) 800.
Explanation in Detail:
In immediate addressing mode, the value to be used by the instruction is encoded directly in the instruction itself, rather than being stored in a specific memory location. This is in contrast to other addressing modes, such as direct or indirect, in which the value to be used by the instruction is stored in a specific memory location, and the instruction specifies the address of that memory location.
For example, suppose the instruction was LDA 900, with an addressing mode of direct. In this case, the value that would be loaded into the AC would be the value stored at memory location 900, which in this case is 900.
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you start a program of proof testing all the rods to ensure that failure by stress-corrosion cracking does not occur during service. what is the stress you recommend for proof testing?
Answers
Stainless steels are susceptible to cracking when tensile tension and a certain corrosive environment are present. Stress corrosion cracking is the name of this method of assault (SCC).
Stress corrosion cracking: what causes it?SCC typically happens in particular alloy-environment-stress configurations. Tensile stress and a corrosive environment work together to cause a cracking process known as stress corrosion cracking. SCC often affects materials in a range between dry cracking and their fatigue threshold.
Which electrolyte is employed in the investigation of stress corrosion cracking in stainless steel?The corrosion resistance and stress corrosion cracking resistance of 304L stainless steel are improved with the addition of ruthenium (Ru).
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a commercially available ruby laser amplifier using a 15-cm-long rod has a small- signal gain of 12. what is the small-signal gain of a 20-cm-long rod? negelect gain saturation effects.
Answers
The small-signal gain of a 20-cm-long rod is 27.4731, while neglecting gain saturation effects.
What is small-signal gain?
A gain medium's small-signal gain (for example, a laser medium in a laser or amplifier) is the gain obtained for an input signal that is so weak that it does not cause gain saturation. In continuous-wave operation, this means that the signal intensity is well below the saturation intensity throughout the gain medium.
In a four-level laser gain medium with negligible ASE and no parasitic lasing, the steady-state small-signal gain is usually proportional to the absorbed pump power and the stored energy.
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technician a says synchronizers are used to match the clutch and input shaft speeds to provide easier gear changes. technician b says a synchronizer matches gear speed with shaft speed. who is correct?
Answers
Technician B is correct.
Since, a synchronizer matches gear speed with shaft speed.It is used for shifting gears while driving. The synchronizer works like a friction clutch, decelerating or accelerating the input shaft to match the speed of the next gear.
What is a synchronizer?
A synchronizer matches the rotational speed of the desired gear to the rotational speed of the output shaft. The gears are constantly meshing.
The shift fork moves the synchronizer's sleeve to lock the spinning gear to the shaft. It makes use of a blocking ring made of brass or soft metal to make contact with the gear's dog teeth.
These brass rings are inexpensive and wear over time, becoming rounded. When the teeth appear worn or rounded, they should be replaced.
The synchronizer blocking ring functions as a clutch, speeding up or slowing down the mating gear to match the output shaft speed.
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what are the layers of water referred to in an ekman spiral? group of answer choices wind fluid turbulent laminar
Answers
Water is used as an ekman spiral fluid layer.
What do water spirals go by?The Coriolis effect results in the Ekman spiral, which was proposed in 1902 by Swedish physicist Vagn Walfrid Ekman (1874–1954). Because of the wind's force, surface water molecules move, dragging deeper layers of water molecules with them.
The Ekman layer is how thick?Ekman layer, a vertical area of the ocean subject to surface water movement caused by wind. This layer, which bears the name V. Walfrid Ekman after a Swedish oceanographer, is around 100 meters deep (about 300 feet).
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T/F struct Info { int id; float cost; }; Given the struct above, the following code segment will correctly declare and initialize an instance of that struct. Info myInfo = {10,4.99}
Answers
The following code segment will properly declare and initialize an instance of the type mentioned above. Info myInfo = true; 10,4.99
A collection of symbols meant to signify established, frequently unspoken meanings; a system of symbols or signals used in communication. Code is text written in a programming language by a computer programmer. Examples include programming languages like C, C#, C++, Java, Perl, and PHP. Less formally, text written in markup or style languages like HTML and CSS can alternatively be referred to as "code." A code can be a list of guiding ideas. Our laws make up our legal system, and many people adhere to their own private "code of honour." Code can also refer to a language used to programme computers or a technique for transmitting encrypted messages. In 1303, the term "code" could only be used to describe a set of rules, such as as a code of conduct.
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Oil tanks used on engines equipped with Hydromatic propellers will feed the pressure pump from a standpipe, leaving reserve oil for ______ ______.
Answers
Feathering and a propeller.
What the pressurised oil is sent somewhere by the oil pump?It travels from the pump to the exterior of the oil filter, where it is pushed through the filter media to the centre, where it then leaves the oil filter and enters the engine's oil galleries. Additionally, the oil filter contains a bypass valve to prevent the pressure from falling too low if it clogs.
Which pump refills the oil tank with oil?Pumping Oil The oil pump is made to circulate oil through coolers as needed and return it to the oil tank after propeller oil under pressure to the engine's lubrication-dependent elements.
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If the input driver) gear is 30 teeth and the output (driven) gear is 15 teeth, what is the gear
ratio?
Answers
0.5 is the gear ratio of the gear having Input 30 teeth and output 15 teeth.
Gear Ratio is Defined as the ratio of the number of Output (driven) to input (Driver) .
Gear Ratio = output /input
The number of rotations of a driven gear to the number of rotations of a driver gear Which means if the gear ratio is 3 the Driven will rotate 3 time if Driver rotates 1 time.
Gear ratio=15/30 = 0.5
Hence 0.5 is the gear ratio of the gear having Input 30 teeth and output 15 teeth. Higher gear ratio will give the better torque and acceleration.
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Declare an array of double of size 365 to store daily temperatures for one year. Using this data structure, write a code fragment to find -The hottest and coldest days of the year. - The average temperature of each month. - The difference between the hottest and coldest days of every month. - The temperature of any given day. The day is specified by two input values: month(1,…,12) and day (1,…,31) . Reject invalid input values (e.g., 13 for month and 32 for day). Part 2 Repeat part 1 , using a two-dimensional array of double with 12 rows and each row having 28,30 , or 31 columns.
Answers
You can use an array to do the task :
double[] temperatures = new double[365];
What is an array?An array is a data structure that is used to store a collection of items. It is typically used to store items of the same type, such as a list of integers or a list of strings.
Each item in an array is called an element, and each element has a specific index, or position, in the array. Arrays are commonly used in programming because they allow for efficient access and manipulation of large amounts of data.
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Allow the connection to all programs, all protocols, and all ports with a scope of 192.168.0.0/24. This is an example of what type of security setting?
Answers
"Allow the connection" to all programs, all protocols, and all ports with a scope of 192.168.0.0/24 is an example of this type of security setting: ACL.
What is ACL?In Computer technology, ACL is an abbreviation for access control list and it can be defined as a security technique (setting) that is designed and developed to enable a computer system determine whether or not an end user has the minimum requirement, permissions, and credentials to access, use, or view the file(s) and folder resources that are stored on a computer.
This ultimately implies that, an access control list (ACL) is a security feature that can be implemented by using a firewall in order to help prevent or allow entry of an end user, who wishes to use a computer system.
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Complete Question:
An administrator navigates to the Windows Firewall with Advanced Security. The inbound rules show a custom rule, which assigned the action, "Allow the connection" to all programs, all protocols, and all ports with a scope of 192.168.0.0/24. This is an example of what type of security setting?
The purpose of the idler gear is to either __________ of the driven gear or transfer power to a location which is farther from the driver shaft.
Answers
The purpose of the idler gear is to either change the direction of rotation of the driven gear or transfer power to a location which is farther from the driver shaft.
What is an idler gear?A motion is produced when two gears are placed next to one another and move in opposing directions. A third gear, called an idler gear, is used between the two gears when they both need to move in the same direction. The only thing it changes is the direction in which the second gear spins, and it only transfers motion from one gear to the other.
The "driven gear" accepts motion, and the "driving gear," which transmits motion, are the gears that the idler connects. As if the idler gear weren't there, the gear ratio between the driving and driven gears is calculated in the same way.
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report the moment arm for the resultant hydrostatic force. report your answer in meters and to 4 significant digits.
Answers
The moment arm for the resultant hydrostatic force in metres upto 4 significant digits is 0.9491 M.
What is Hydrostatic force?
In the Cummins equation, the hydrostatic forces are the forces on a body caused by changes in hydrostatic pressure on the wetted surface of the body as it moves away from its equilibrium position.
As a result, the hydrostatic forces are proportional to the body displacements xj. Hydrostatic forces are simple linear functions of displacements for small amplitudes of motion, which can be defined by a stiffness coefficient matrix.
This is the standard method for modeling WECs; however, for large amplitudes of motion, and especially when the body surface at the water-plane is not vertical, a nonlinear representation of the hydrostatic forces is preferable.
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2. A refrigerator has COP of 3. How much work must be supplied to the refrige rator in order to remove 200 J of heat from its interior n? ***************
Answers
66.7 J of work is supplied by the refrigerator in order to remove 200J of heat from its interior. Which is having COP of 3
COP of refrigerator is defined as the ratio of heat removed from the substance (refrigerator) to Work input.
Full form of COP is Coefficient of Performance.
Formula of COP = Heat Removed(Q)/ Work input( W)
we have COP =3
Q= 200J substitute in formula
3=200/w ⇒ w=200/3 ⇒ 67J
Hence 66.7 J of work is supplied by the refrigerator in order to remove 200J of heat from its interior. Which is having COP of 3
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order the following key steps that bi follow to transform raw data into easy to digest insights for everyone in an organization to use.
Answers
Steps in order to transform raw data into easy to digest insights for everyone in an organization to use:
1. Collect and transform data from multiple sources
2. uncover trends and inconsistencies using tools such as Data Mining
3. present findings using tools such as visualization
4. take action on insights in real time
What is raw data?The information that is gathered from a source, but in its unprocessed form, is known as raw data. It hasn't been cleaned, arranged, or visually presented yet, let alone processed.
Raw data can be manually typed, written down, recorded, or entered automatically by a machine. Databases, files, spreadsheets, and even source devices like cameras are just a few of the places where you can find raw data. One type of potential energy-containing data is raw data.
Here are some illustrations of raw data:
A list of every purchase made at a store during a month, but without any additional organization.Each and every frame of overnight security camera footagegrades for a quarter of all students in a school districtLearn more about raw data
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A study was conducted to test the effectiveness of a juggling class. Before the class started, six subjects juggled as many balls as they could at once. After the class, the same six subjects juggled as many balls as they could. The differences in the number of balls are calculated. The differences have a normal distribution. Test at the 1% significance level. (Calculate "after" − "before. ")
Answers
There is sufficient evidence to support that juggling class is effective.
How to explain the normal distribution?From the information, a study was conducted to test the effectiveness of a juggling class and before the class started, six subjects juggled as many balls as they could at once
In this case, the standard deviation will be:
= ✓3.5 / n - 1
where b = number
= ✓3.5 / (6 - 1)
= ✓3.5/5
= 0.84
The test statistic will be:
t = d /(sd /✓n)
t = test statistic
sd = standard deviation
n = number
t = 1.5 / 0.84/✓6
t = 4.39
Here, the using a distribution table, the p value is 0.035.
Therefore, we reject the null hypothesis.
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the u.s. high-level significant weather prog, area 8, represents the a. height of maximum wind shear (53,000 feet). b. height of the tropopause. c. height of the jet stream (53,000 feet).
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The peak of the tropopause is represented by area 8 of the United States High-Level Significant Weather Prog.
What does the important weather forecast chart look like?A map showing the expected weather forecast for a future date is called a prognostic chart. These graphs, which are produced by atmospheric models as a result of numerical weather prediction, include data on temperature, wind, precipitation, and weather fronts.
What can you infer from a low level significant weather chart?The Low-Level SWC, or Low-Level Significant Weather Chart, is a forecast chart used in general aviation for flight planning and preparation. It describes the climate in central Europe during a specific period of time. Areas with notable weather phenomena are therefore highlighted.
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A___________ Lanyard fall-arrest system slows and eventually stops descent and absorbs the forces that would otherwise injure the worker.
Answers
Answer:Shock Absorbing
Explanation: