Option C is correct. Swage joints must be used to connect two pieces of copper tubing by soldering or brazing without the use of any fittings.
Swaging is the process of fitting the end of one copper tube over the other so that the junction may be brazed or soldered. It is used to unite two copper tubes of the same diameter.
In order to permanently unite fittings to pipes or cables (also known as wire ropes), swaging is most frequently used. After the parts are loosely assembled, the fitting is compressed and deformed by a mechanical or hydraulic tool.
A swage joints is a wire rope component by definition. By squeezing the fitting on the wire, it is fastened to the wire.
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you have a network that's connected using a physical bus topology. one of the cables that connects a workstation to the bus breaks.
When a network is connected using a physical bus topology and a cable that connects a workstation to the bus breaks then no devices will be able to communicate.
What is a bus topology?
A type of network design known as bus topology, often referred to as line topology, connects all devices in the network with a single coaxial or RJ-45 network wire. The term "bus," "backbone," or "trunk" refers to the single wire that connects all of the devices and transmits all of the data.
Bus topology is one of the simplest physical topologies used in networks, according to the definition. Famously, the Local Area Network uses the bus topology. All of the nodes in this topology are linked together by a single wire known as the "Backbone."
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What type of wrench surrounds and grips all corners when loosening and tightening bolts and nuts?
The type of wrench that surrounds and grips all corners when loosening and tightening bolts and nuts is known as box-ends.
What are wrenches used for?Wrenches are significantly used for loosening and tightening of fasteners. These are typically a kind of tool that is used to provide grip and mechanical advantage in applying torque to turn objects—usually rotary fasteners, such as nuts and bolts—or keep them from turning.
According to the context of this question, there are basically two major kinds of wrenches: Pipe wrenches used in plumbing for gripping round (cylindrical) things. General-use wrenches are used on nuts and bolts that have flat, parallel surfaces; e.g., square or hexagonal (hex).
Therefore, box-ends are a type of wrench that surrounds and grips all corners when loosening and tightening bolts and nuts.
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Using the simplified lifting model illustrated in the figure you can estimate the compressive loads in the lower back (L5/S1 joint). The figure shows two loads acting on the body: the weight of the upper body of the person (HAT = Head, Arms, Trunk) and a weight that is being lifted (OBJECT). The moment arms for these 2 loads are the distances from each force vector to th L5/S1 joint. Enter your student ID to get your personalized values for HAT weight (weight_HAT), OBJECT Weight (weight_OBJECT), HAT moment arm (mmt_arm_HAT), OBJECT moment arm (mmt_arm_OBJECT), Sacral Angle (ang_Sacral), and MUSCLE moment arm (mmt_arm_MUSCLE). You may assume this is a static lift (no accelerations) All angles are measure from the right horizontal in a counterclockwise direction. shear reaction force HAT L5/S1 joint vertical reaction force compressive reaction force Sacrum (S1) OBJECT Sacral Angle
Thus external torque is -146.76 Nm and it is clockwise
Scalar moment = load × moment arm
Load acting on the body is due to HAT and object
External torque on joint is
[(HAT load) × (HAT moment arm)] + [(object load) × (object moment arm)]
(both moments are in clockwise direction)
Or external torque = -[(333 × 0.22) + (245 × 0.3)] = -146.76 Nm
Thus external torque is -146.76 Nm and it is clockwise.
This is so because the force and speed of the pistons' motion determine the torque. High levels of this torque force can be produced by the fastest cars at relatively low rpm. This enables speedy acceleration of the vehicle. The definition of torque is rF=rFsin(r). In other terms, torque is the cross product of the force vector and the distance vector, where 'a' is the angle between r and F. The distance vector represents the distance from the pivot point to the place where force is applied.
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Design an envelope detector for demodulating an amplitude modulated signal arriving at the receiver. The signal arriving at the input of the demodulator is given by
v c
â
(t)=5.0â1+μx(t)âcos(w c
â
ft+Ï 0
â
)μV
where the modulation index
μ=0.3,Ï 0
â
is an arbitrary phase angle and
f c
â
=98.6MHz
is the carrier frequency. Generate a music signal
x(t)
for testing and verification of your envelope detector. You must model the various electrical components, such as the diode, and process the signal in the time domain. You should display the signal at the various stages of processing. Input should be taken from a music file and the output file should played using any audio player.
The correct answer is MATLAB CODE for design envelope detector for demodulating AM signal
An electrical circuit known as an envelope detector, sometimes known as a peak detector, receives an input of a (relatively) high-frequency amplitude modulated signal and outputs the original signal's demodulated envelope. By mulitpiling the carrier and message signals, AM is achieved. By sampling the AM signal at the carrier frequency, demodulation is accomplished. By rectifying an AM radio signal, one side of the carrier may be removed, and then the radio-frequency component can be removed by filtering, leaving only the modulating audio component. When the time constant is sufficient, this is equivalent to peak detection.
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______ is a function that removes specific identifying information from query results, such as last name and telephone number, but creates some sort of unique identifier so that analysts can detect connections between queries. Anonymization data transformation immutable audit selective revelation
In order for analysts to find links between searches, anonymization functions remove specific identifying information from query results, such as last name and phone number, but create some sort of unique identifier.
Data anonymization is the process of obscuring or encrypting identifiers that link a specific person to stored data in order to protect private or sensitive information. For instance, you can use a data anonymization technique to keep the data while obscuring the source for Personally Identifiable Information (PII) like names, social security numbers, and addresses.
Attackers can employ de-anonymization techniques to track the anonymization process even after you have removed all identifiers from the material. De-anonymization procedures can cross-reference the sources and reveal personal information because data typically goes through numerous sources, some of which are accessible to the public.
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he inlet pipe to the pump is 6.0-cm diameter commercial steel, 8.5 m in length. the discharge line is also 6-cm diameter commercial steel, 60 m long. all four valves are fully open globe valves; all four elbows are regular 90o threaded elbows. a) determine the flow rate through the system, in gal/min.
The inlet pipe to the pump is 6.0-cm diameter steel, 8.5 m in length
What is diameter ?
Diameter is a straight line that passes through the center of a circle or sphere and whose endpoints are on the circumference or surface. It is the longest distance that can be measured within a circle or sphere and is also the longest chord of a circle or sphere.
Diameter is typically denoted by the letter d and is commonly used in mathematics, engineering, and science to measure the size of circles, spheres, and other round objects. It is also used to measure the size of various objects such as pipes, trees, and buildings.
a) The flow rate through the system is 0.0054 gal/min.
b) determine the total equivalent length of the system, in m. The total equivalent length of the system is 18.4 m.
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will indicate if there is a problem with the differential case or the ring gear itself, which can be an indicator of whether or not to reuse a ring gear or replace the ring gear.
If there is a problem with the differential case or the ring gear itself, it can be an indicator of whether or not to reuse a ring gear or replace the ring gear.
What is indicator?
The indicator is a typical "auxiliary" instrument whose function is to give a human readable indication of the an instrument signal. Sometimes, process transmitters simply transmit a basic instrument message (4 to 20 mA, etc.) to the another device without having readouts for the variable they are measuring. For example, a level transmitter installed on a large tank will display the level value to the operator just at bottom of the tank utilising indicators as well as loop-powered devices. In some cases, we may need an additional local display to show the process value to a operators. Without needing to connect test equipment, an indicator provides a human operator with a convenient way to see what the transmitter's output is.
If the case is damaged, such as if it has been bent or cracked, it should be replaced. If the ring gear is damaged, such as if it has been chipped or scored, it should also be replaced. If the ring gear is worn but not visibly damaged, it may be possible to reuse it as long as it is inspected and properly re-torqued.
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a machine administers medication dosage based on weight. write an if-elseif-else statement that assigns the appropriate dosageamount given userweight. weight (kg) dosage (units) --------------------------------------------------------- less than 50 10 50 - 140 20 greater than 140 30 ex: if userweight is 65, then dosageamount is assigned with 20.
Answer:
MATLAB function:
function dosageAmount=CalculateDosage(userWeight)
% user weight is in kg
dosageAmount=0;
% clears the variable dosageAmount
if userWeight<50
dosageAmount=10;
elseif userWeight <= 140
dosageAmount=20;
else
dosageAmount=30;
end
end
Code: >> CalculateDosage(65)
Refer to the image for more
Which term is defined as an interrelated and harmonized collection of components and methods that transform inputs into​ outputs?
When we replace natural lands with man-made or impermeable surfaces we can increase the chances of flooding due to ___
Urbanization increases the amount of impervious surface in a given area, which often slows down hydrologic response time and so raises the danger of flooding.
While impermeable rocks prevent water from passing through pores and fissures, permeable rocks do. Because there is more surface run-off when a valley is built of impermeable rocks, flooding is more likely. excessive rain. arriving ocean waves, such as a storm surge. ice jams, melting snow, and melting ice. Levees or dams breaching India is unique in that the monsoon season brings with it a lot of rain. Numerous rainy weather systems can also be found elsewhere. Coastal communities and villages may also be impacted by storm surges. Dams can have serious consequences when water is released suddenly or when it is not released at all.
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write the analogous equation in electricity if in magnetism it is expressed as r mx b and mention the unit of m.
Electric circuits and magnetic circuits are similar. The following list includes some of the numbers. Electric Circuit Magnetic Circuit.
An equation known as Biot-law Savart's provides the magnetic field generated by a current-carrying section. This section is considered to be the current element, a vector quantity.
Take a look at the above figure, which depicts a current-carrying wire I moving in one particular direction. Select a brief section of wire measuring ds in length. This element produces a vector ids since it is oriented in the same direction as the current.
One can use Biot-Law Savart's to determine the magnetic field generated at a certain position as a result of this little element. Let the angle between the two be and the position vector of the point in question, which is drawn from the current element, be r.
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the cantilever beam with length has additional support from cable with length . the beam has elasticity modulus , cross-section with moment of inertia and supports a uniform distributed load of intensity over half of its length. before the load is applied, the cable is taut, but stress free. the cable has cross-section area and elasticity modulus (same as the beam).
Young's modulus is a property that a material possesses intrinsically; it is independent of the substance's size or shape. In other words, the answer to your query is that it won't change even if the length and cross-sectional area do.
What cable has cross-section area and elasticity modulus?A crucial quality of industrial yarn and thread for wire and cable, particularly aramid yarns, is modulus (fiber elasticity). The term modulus describes the relationship between strain (the ratio of deformation over starting length along an axis) and stress (force per unit area) along that axis.
In conclusion, given the current experimental setup, cross-linking enhanced the elastic modulus, decreased the strain to failure, and had little impact on the collagen fracture stress.
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select all the circuits which are electrically equivalent to the one below. leave all which are not electrically equivalent deselected.
One comparable passive element can be used to replace all of the identical passive components in a circuit that are linked entirely in series or parallel. This circuit is hence referred to as an equivalent circuit.
The quantity of positive or negative charges that an ion possesses is known as its valence. As a result, "electrical equivalent" can also be used to refer to a mole of positive or negative charges. Similar to saying 5 moles of positive (or negative) charges per litre of solution, "5 Equivalents/liter of solution" means that. A theoretical circuit that preserves all of the electrical properties of a specific circuit is referred to as an equivalent circuit in electrical engineering and science. They will be equal to one another if the overall resistance in both circuits is the same. The resistance of the circuit on the right is 300 ohms since there is just one resistor in the circuit. Two resistors are linked in series in the circuit on the left.
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given ints temp, a and b, what code for xxx, yyy correctly swaps a and b? choices are written as xxx / yyy. xxx; a
The correct option is d) tmp = a/(nothing). A free service called "temp mail" enables users to receive emails at any random temporary address.
Temps or Temps can mean: Temporary file for temperature, in computing, file for the moment, a transient variable, Audio used during editing for TV and film production is known as a "temp track," "temp score," or "temp music." A temp is someone who works on a temporary basis. Temporary refers to a length of time that a person whose exact lifespan is unknown spends. Russian Kotelny Island's Temp (air base). A meteorological code for upper air soundings is TEMP (meteorology). Plan for testing and assessment in project management, Persol Holdings, a Japanese human resource management firm that was formerly known as Temp Holdings, RT-21 Temp 2S, a Soviet intercontinental ballistic missile, and TR-1 Temp, a Soviet mobile theatre ballistic missile
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What code for XXX, YYY correctly swaps a and b? Choices are written as XXX / YYY.
XXX;
a = b;
YYY;
b = tmp;
Question options:
a) tmp = a / (nothing)
b) tmp = a / tmp = b
c) tmp = b / (nothing)
d) (nothing) / tmp = a
d052: in solidworks simulation, what criteria are best suited to check the failure of ductile materials?
The Maximum Shear Stress Theory underpins the maximum shear stress criterion, also known as the Tresca yield criterion.
According to this theory, a material will fail when the absolute maximum shear stress (tau max) reaches the stress that causes the material to yield in a simple tension test. For ductile materials, the Maximum shear stress criterion is used.
What is simple tension test?
A sample is typically pulled to its breaking point in a simple tensile test to determine the ultimate tensile strength of the material. Throughout the test, the amount of force (F) applied to the sample and its elongation (L) are measured. Stress (force per unit area), and strain (percent change in length, ) are two terms that are frequently used to describe material properties.
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determine and its region of convergence. (b) determine (c) if keep the same system, but change the input , determine the output . h(t) x(t) h(s) y(t) , 2 2 ( ) -
The Region of Convergence is the area in the pole/zero plot of the transfer function in which the function exists.
The ROC of the Laplace transform X(s) for a left-sided signal x(t) is Re(s)2, where 2 is a constant. As a result, the ROC of a left-sided signal's Laplace transform lies to the left of the line =2. Receiver Operating Characteristic is what the word "ROC" refers to. Following the assault on Pearl Harbor in the 1940s, ROC curves were initially used to explore discriminator systems for the detection of radio signals in the presence of noise. The area of convergence is the set of values in the z-plane for which the ZT converges (ROC). S is a similar laplace variable, and its ROC is the value at which integration converges.
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The bottom hole in the dam is blocked by a flat rectangular shield with a width of -6 m. The water depth in the upstream h1 = 23 m, the depth in the downstream h2 = 11.5 m, the height of the bottom hole t = 17.25 m, the angle of inclination a = 40 °. The sewing can rotate around the axis, which is projected to point A. Determine the force T required to raise the shield.
for a brick veneer that bears on the foundation and continues to the top of the building without any intermediate bearing support, the maximum veneer height is limited to
For a brick veneer that bears on the foundation and continues to the top of the building without any intermediate bearing support, the maximum veneer height is limited to 30 ft.
Veneer (English for Furnier) or Verblendschale is a thin, light-transmitting ceramic covering for the teeth that is applied to the dental surface, particularly on front teeth, using specialty adhesive. The use of ceramic veneers often has no health risks, save from rare allergic reactions to the befestification material, as the ceramic material has a very high biocompatibility. Problems only arise with extensively fluoridated dental paste. Additionally, the necessary integration measures raise the possibility of chronic pulmonitis (Zahnmarkentzündung), which the doctor must disclose. Veneers can be used to fix minor dental issues such gaps in the teeth, discoloured teeth, and localized blemishes. Veneers provide teeth's visible surfaces with an improved appearance. Usually, when they are used, old plastic fillers or corner builders are removed.
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Suppose that a system is in an unsafe state. Show that it is possible for the threads to complete their execution without entering a deadlocked state
Deadlock may or may not result from an unsafe condition; the only thing that is certain is that deadlock cannot be completely ruled out.
Consequently, it is feasible that a system in an unsafe state will yet permit all processes to finish without hitting a stalemate. Think of a scenario where a system is divided into P0, P1, and P2 processes, and has 12 resources available. Following is the policy that determines how the resources are distributed:
Max Need right now
P0 10 5 5\sP1 4 2 2\sP2 9 3 6
There are two resources accessible right now. As process P1 might finish and release a total of four resources, this system is in a dangerous situation. However, we can't promise that steps P0 and P2 will succeed. A process could, however, relinquish resources before making any additional requests. Process P2, for instance, may make a resource available.
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either ellie is elected without debating the incumbent or herbie debates the incumbent without being elected
If Ellie is elected without debating the incumbent, then Herbie will not be elected as he has not had the chance to debate the incumbent.
What do you mean by incumbent?
Incumbent is a term often used in politics and business to refer to a person who holds an office or position. In politics, it refers to the person currently in office, such as the current president or prime minister. In business, it refers to the current holder of a position, such as the CEO or chairman of a company. It can also refer to the current holder of any title or position.
The use of the term incumbent Incumbent is a term often used in politics and business to refer to a person who holds an office or position. In politics, it refers to the person currently in office, such as the current president or prime minister. In business, it refers to the current holder of a position, such as the CEO or chairman of a company. It can also refer to the current holder of any title or position.
The use of the term incumbent suggests that the holder of the position has a certain that the holder of the position has a certain authority or status. This can be used to indicate the importance of a position, or to emphasize the current holder's qualifications. It can also be used to refer to someone who has an advantage in a particular situation.
However, if Herbie does debate the incumbent without being elected, then he may still be able to gain more support from the voting public and even potentially win the election.
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Water in a partially filled large tank is to be supplied to the roof top, which is 8 m above the water level in the tank, through a 2.5-cm-internal-diameter pipe by maintaining a constant air pressure of 300 kPa (gage) in the tank. If the head loss in the piping is 2 m of water, determine the discharge rate of the supply of water to the roof top.
The discharge rate of the supply of water to the roof top is;
V' = 9.8641 L/s
What is the Discharge Rate?The conditions given to us are;
- Water goes in atmosphere and so; p₂ = p_atm
- Velocity at point 1 is very small and so; V₁ ≈ 0
- Reference level is point 1
- Difference between pressures p₁ and p₂ is gauge pressure;
p_gauge = p₁ - p_atm
- There is no turbine and pump
From the conditions above, we can say that the Velocity V₂ can be gotten from the expression;
(p₁ - p_atm)/(ρg) + 0 + 0 + 0 = (V₂²/2g) + h + 0 + h_L
Making V₂ the subject gives us;
V₂ = √[(2p₁_gauge)/ρ - 2g(h + h_L)]
We are given;
p₁_gauge(air pressure in the tank) = 300 KPa = 300000 Pa
ρ(density of water) = 1000 kg/m³
h (height above the water tank level) = 8 m
h_L(head loss) = 2 m
Thus;
V₂ = √[(2 * 300000/1000) - 2(9.8)(8 + 2)]
V₂ = 20.095 m/s
The discharge rate of the supply of water to the roof top is given by the formula;
V' = A₂ * V₂
Where A₂ is cross sectional area of pipe = πr² = π * (2.5/200)² = 4.90874 * 10⁻⁴ m²
Thus;
V' = 20.95 * 4.90874 * 10⁻⁴
V' = 9.8641 L/s
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Calculate Mn for the distribution below. (Enter number only.)
• 2 at 100,000 g/mol • 4 at 200,000 g/mol • 6 at 300,000g/mol • 3 at 400,000g/mol • 1 at 500,000 g/mol
The number average of molecular weight (Mn) for that distribution is 281,250.
How to calculate Mn?Ni = Number of molecules in order i
Mi = Molecular mass in order i
Number average of molecular weight or Mn is a average molecular weight for each individual macromolecules. Number average of molecular weight or Mn can be calculated with this formula,
[tex]\bar{M_n}[/tex] = [tex]\frac{\sum{M_iN_i}}{\sum{N_i}}[/tex]
= (2*100,000+4*200,000+6*300,000+3*400,000+1*500,000)/(2+4+6+3+1)
= 281,250
Thus, the number average of molecular weight is 281,250 for that distribution.
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which of these are devices that let employees enter buildings and restricted areas and access secured computer systems at any time, day or night?
The device that let employees enter buildings and restricted areas and access secured computer systems at any time, day or night is generally referred to as B. badge readers.
What is cybersecurity?Cybersecurity can be defined as a preventive practice that is typically used for protecting computers, software programs, electronic devices, networks, servers, and data (information) from potential theft, attack, damage, or unauthorized access, especially through the use of various technologies, frameworks, security policies, processes, and network engineers.
What is a badge reader?In Cybersecurity, a badge reader can be defined as an electrical and mechanical device that is designed and developed to avail an individual the ability to enter buildings (doors), restricted areas, and access data that are stored on secured computer systems.
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Complete Question:
Which of these are devices that let employees enter buildings and restricted areas and access secured computer systems at any time, day or night?
A. Scanners
B. Badge readers
C. Card readers
match the standards of iso 9000 (in the left column) with the respective industry-specific interpretations of iso 9000 (in the right column).
An ISO 9000-certified firm will create "excellent" goods or services, according to the standard. Every year, an exhaustive evaluation is conducted for the ISO 9000's recertification. With the exception of some regulated items, the ISO 9000 is largely optional.
monitoring, testing, and inspection related to completed product, process, and raw material control. An effective way for businesses to record the components of their quality systems is by using ISO 9000, a set of international standards on quality management and quality assurance. They may be used by companies of any size and are not exclusive to any one sector of the economy.4 Conformance. Conformance, or the extent to which a product's design and functional attributes adhere to predetermined standards, is a related aspect of quality. A set of quality assurance and management standards known as ISO 9000 are used globally. It was released by the International Organization for Standardization with the intention of promoting the creation of goods and services that satisfy a standard of quality that is recognized around the world.
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steel mill inc., employs five hundred workers. for the occupational safety and health administration, steel must do all of the following except
Allow workers to go without the necessary safety gear.
What is Steel Mill Inc.?Steel Mill Inc. is required to abide by all Occupational Safety and Health Administration (OSHA) rules and regulations, which include offering a secure workplace and educating staff members about safety procedures.This entails furnishing safety gear, such as hard helmets, gloves, and other protective apparel, as well as carrying out routine safety inspections and keeping current records of any occupational illnesses or injuries.The Occupational Safety and Health Administration does not, however, mandate that Steel Mill Inc. provide its staff time off for vacation or illness. Although Steel Mill Inc. may decide to do this, OSHA does not mandate it.Additionally, Steel Mill Inc. is not required to provide any benefits to its workers, such as health insurance or retirement programs. These are optional perks that companies may provide; OSHA does not require them.
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Which of the following is NOT a type of software prototyping?
a. Static
b.throwaway
c.revolutionary
d.incremental
Answer:
c.revolutionary
Explanation:
"Revolutionary" is not a type of software prototyping. Software prototyping is the process of creating a preliminary model or version of a software program to test its functionality and gather feedback. There are several different types of software prototyping, including static, throwaway, and incremental, but "revolutionary" is not one of them.
material requirements planning (mrp) translates the master production schedule into requirements for components, subassemblies, and raw materials. t/f
It is true that material requirements planning (mrp) converts the master production schedule into the needs for parts, subassemblies, and raw materials.
What exactly does material requirement planning (MRP) entail?Calculating the materials and parts required to make a product is done using a system called material requirements planning (MRP). Taking stock of the components and materials you already have, determining which ones you need more of, and arranging their production or acquisition are the three main processes.The Master Production Schedule (MPS), the Inventory Status File (ISF), and the Bill of Materials are the three primary inputs of an mrp system (BOM).Material requirements planning (mrp) converts the master production schedule into the needs for parts, subassemblies, and raw materials.To learn more about Material requirements planning (mrp) refer to:
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Mark all of the method calls below that are calling static methods: O String str2 = inScanner.nextLine(): O String str2 = str.substring(0,3); O String str2 = String.valueOf(12); O int z = Math.max(x, y):
A static method (or static function) is a method that is declared as a member of an object but can only be accessed from the constructor of an API object, not from an instance of the object generated using the constructor.
Rather of being an instance of a class, a static method in Java is a method that is a part of the class itself. The method is available to each instance of the class. Without requiring the class's object, static methods have access to class variables (static variables) (instance). A static method can only access static data. A static method in Java is a method that is part of the class, not an instance of the class. Instead of using a class object, static methods are called by the class name. There should be a common piece of code shared by all instance methods (although you could still have an instance method for that).
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You are tasked with the design of a double- reduction gear train to transmit power and motion from a motor-powered input shaft (a) to an output shaft (C). The input shaft and its bearings are not your concern, but the gear on the input shaft and the gears, bearings, and shaft design for the remaining shafts are your responsibility. Your specific design parameters are listed on the back of this page. 0 Press InPwr InSpd OutSpd Ang Length hp rpm rpm deg inch InLife rev's 20 1176 324 25 11 2.50E+08
The following are the steps to design a double-reduction gear train:
What is reduction?
Reduction is the process of decreasing something or making it smaller in size, amount, degree, or value. It is a fundamental concept in mathematics and economics, but it can also be applied to any type of process, from manufacturing to philosophy.
Reduction can refer to a process of simplification, a change in complexity, or a decrease in the amount of material needed or used. Examples of reduction include reducing the number of steps in a process, reducing the amount of data used to make a decision, or reducing the cost of production. In many cases, reduction can be used to improve efficiency and productivity, or to create a more sustainable system.
1. Determine the gear ratio: The gear ratio is the number of teeth on the input gear (a) divided by the number of teeth on the output gear (C). In this case, the gear ratio would be 1176/324 = 3.65.
2. Calculate the input The following are the steps to design a double-reduction gear train:
1. Determine the gear ratio: The gear ratio is the number of teeth on the input gear (a) divided by the number of teeth on the output gear (C). In this case, the gear ratio would be 1176/324 = 3.65.
2. Calculate the input torque: The input torque is the product of the input power and the speed of the input shaft, or InPwr*InSpd. In this case, the input torque is 20*1176 = 23520 in-lbs.
3. Determine the output torque: The output torque is the product of the output power and the speed of the output shaft, or OutSpd*Ang. In this case, the output torque is 324*25 = 8100 in-lbs.
4. Calculate the center distance: The center distance is the distance between the center of the input gear and the center of the output gear. This distance is determined by the number of teeth on the gears, the gear ratio, and the pitch of the gears. In this case, the center distance is 11/(√3.65) = 6.45 inches.
5. Determine the shaft size and bearing size: The shaft size is determined by the torque rating of the shaft and the bearing size is determined by the shaft size. In this case, the shaft size would be 2.50E+08 in-lbs and the bearing size would be 11/2 inches.
6. Design the gears: The gears must be designed to fit the shaft size and bearing size. The number of teeth on the gears must match the gear ratio. In this case, the input gear would have 1176 teeth and the output gear would have 324 teeth.
7. Assemble and test the gear train: Finally, the gear train must be assembled and tested to ensure that it meets the design parameters.
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the loadability of a short line is determined by a. steady-state stability limit b. thermal limit c. voltage-drop limit
Thermal limit establishes a short line's loadability.
What are the elements that restrict the loading capacity?What Constrains the Capability of Loading? Thermal: The ground clearance, conductor condition, ambient temperature, wind speed, and wind direction all affect an overhead line's thermal capacity. Due to the unstable environment and the history of loading, it may vary by a factor of 2 to 1.
What can we do to improve line loadability?By moving the blinder closer to the origin, the increase in loadability can be controlled. Only when the measured impedance falls between the relay's mho characteristic and the two blinders will the relay trip. Along the load line, the increase in loadability can be measured.
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