if the transmission line voltage is raised by four times, the power handling capacity of the line would be increased by a factor of

NEC® article 220 includes a section that covers using a cord and plug as a disconnecting means for a clothes dryer.

The National Electrical Code (NEC) article 220 covers this topic.

NEC article 220 discusses how to safely disconnect a clothes dryer using a cord and plug.

NEC article 220 outlines the requirements for using a cord and plug to disconnect a clothes dryer. It specifies that the cord must be of a suitable size and type for the service, the plug must be of a suitable type for the voltage and current rating, and the receptacle must be connected to an individual branch circuit. The NEC also requires that the cord and plug be accessible and that the receptacle be located in a readily accessible location.

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In compliance with NEC 408.4, the method used to prepare directories in panelboards can vary. Two common approaches are either using a pencil to mark the circuit directory or having it typed up for a neater and easier-to-read presentation.

The choice between using a pencil to mark the circuit directory or having it typed up depends on personal preference, project requirements, and local regulations. Both methods have their advantages and considerations. Using a pencil to mark the circuit directory allows for flexibility and easy modification. It enables quick updates or changes to be made directly on the directory, especially when there are frequent additions or modifications to the circuits. However, it may be less visually appealing and can become illegible over time due to erasures or smudging. Having the circuit directory typed up provides a neat and professional appearance. It ensures legibility and easier comprehension of the information. A typed directory is also easier to update and maintain consistency across multiple panelboards. However, it may require more time and effort to create and update, especially if there are frequent changes to the circuits. Ultimately, the choice between these methods depends on the specific project requirements, individual preferences, and the level of importance given to factors such as legibility, ease of modification, and overall presentation. Compliance with NEC 408.4, which specifies requirements for circuit directories in panelboards, should be ensured regardless of the method chosen.

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Answer:

A tax is a monetary payment without the right to individual consideration, which a public law imposes on all taxable persons - including both natural and legal persons - in order to generate income. This means that taxes are public-law levies that everyone must pay to cover general financial needs who meet the criteria of tax liability, whereby the generation of income should at least be an auxiliary purpose. Taxes are usually the main source of income of a modern state. Due to the financial implications for all citizens and the complex tax legislation, taxes and other charges are an ongoing political and social issue.

I dont know I asked this to

Explanation:

The given statement "an array index cannot be of the double, float or string data types" is true because an array is a collection of variables that are of the same data type.

Each variable in the array is referred to as an element, and each element is assigned an index, which indicates its position in the array. An index is a non-negative integer value that begins with zero and increments by one for each successive element in the array, e.g. array[0], array[1], array[2], etc.

The length of an array is determined by the number of elements it contains. In a C++ array, the data type of the index is always an integer, and it can be a long, short, unsigned or signed int, or any valid combination thereof, e.g. int x[10];

For example: double arr[5];int i;for(i=0; i<5; i++) { arr[i] = i + 0.5; } This code will cause an error since the index must be an integer. Double, float, or string data types cannot be used as indexes.

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Answer:

The critical buckling load is \(\mathbf{P_o = 141.61 \ kN}\)

Explanation:

Given that:

the width of the rectangular steel = 37.5 mm = 0.0375 m

the thickness = 50 mm  = 0.05 m

the length = 1.75 m

modulus of elasticity = 200 Gpa = 200 10⁹ × Mpa

We are to calculate the critical buckling load  \(P_o\)

Using the formula:

\(P_o = \dfrac{\pi ^2 E I}{L^2}\)

where;

\(I = \dfrac{0.0375^3*0.05}{12}\)

\(I = 2.197 * 10^{-7}\)

\(P_o = \dfrac{\pi ^2 *200*10^9 * 2.197*10^{-7}}{1.75^2}\)

\(P_o = 141606.66 \ N\)

\(\mathbf{P_o = 141.61 \ kN}\)

The critical buckling load is \(\mathbf{P_o = 141.61 \ kN}\)

Answer:

  12 volts

Explanation:

The voltages across parallel-connected items are identical. (In fact, that's why you can measure the voltage by connecting the voltmeter in parallel with the circuit element.)

The voltage drop across each bulb is 12 volts.

The time required to accelerate the car from rest to a speed of 100 km/h at full power on a level road is approximately 8.33 seconds.

To determine the time required, we can use the equation of motion:

\[v = u + at\]

where:

- \(v\) is the final velocity (100 km/h),

- \(u\) is the initial velocity (0 km/h),

- \(a\) is the acceleration, and

- \(t\) is the time taken.

To find the acceleration, we can use the equation:

\[P = Fv\]

where:

- \(P\) is the power (75 kW),

- \(F\) is the force exerted on the car, and

- \(v\) is the velocity.

The force can be calculated using the equation:

\[F = ma\]

where:

- \(m\) is the mass of the car (1600 kg), and

- \(a\) is the acceleration.

Substituting the values into the equations, we have:

\[75 \, \text{kW} = (1600 \, \text{kg}) \cdot a \cdot \left(\frac{100 \, \text{km/h}}{3.6}\right)\]

Solving for \(a\), we find \(a \approx 4.63 \, \text{m/s}^2\).

Now, using the equation of motion, we can solve for \(t\):

\[100 \, \text{km/h} = 0 + 4.63 \, \text{m/s}^2 \cdot t\]

Converting the velocity to meters per second, we get:

\[27.78 \, \text{m/s} = 4.63 \, \text{m/s}^2 \cdot t\]

Solving for \(t\), we find \(t \approx 6 \, \text{seconds}\).

However, it's worth noting that the answer might not be entirely realistic. Real-world conditions such as friction, air resistance, and other factors can affect the acceleration and the time required to reach the desired speed. This calculation assumes ideal conditions.

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Answer:

Efficiency is defined as any performance that uses the fewest number of inputs to produce the greatest number of outputs. Simply put, you're efficient if you get more out of less.

Explanation:

Answer:

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Explanation:

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Answer: B the first person to propose the heliocentric model of the solar system was Nicolaus Copernicus

Explanation:

Given data-

With a unit weight of 21 kN/m3,

the total vertical stress = 21 kPa at any depth.

Since there is a water table at the ground surface,

the pore water pressure (u) = the hydrostatic pressure or u = ρgh.

Therefore,

the effective vertical stress (σ'v) would be 21-10 = 11 kPa.

What is vertical Stress-

Vertical stress is the force applied to a layer of rock per unit area. The stress that results from the combined weight of rock and interstitial fluids above a certain depth is known as vertical stress.

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The wires at positions A and B support a pin with a diameter of d from which the tube hangs. A hollowed square with an inner dimension of 8.5 inches makes up the cross section.

In mathematics, a dimension is the length or width of an area, region, or region in one direction. It is just the measurement of an object's length, width, and height. In general, dimensions are written as follows: length, breadth.

We exist in a three-dimensional universe. The homes we live in and the items we use on a daily basis all have three components: length, length, and width.

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The tensile stress in the rod is 11,299 psi.

We know that Tensile Stress is given by: Stress = Force/AreaIn this question, we have a rod of length 'l' and a circular cross-section of diameter 'd'. Let's calculate its area.Area of the cross-section of the rod = πd²/4= π(1.5 in)²/4= 1.77 in²Also, we know that Force applied (F) = p (Load applied) = 20,000 lbNow, we can find out the tensile stress using the formula mentioned above.Stress = F/A = 20,000 lb/1.77 in²= 11,299 psi.

We are given the values of load (p) and length (l) of the aluminum rod. We are also given the diameter of the circular cross-section of the rod.Using the formula of area of the cross-section of a circle, we find out the area of the cross-section of the rod. Then we use the formula of stress to find out the tensile stress in the rod.

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The type of wireless security that generates dynamic encryption keys each time a client associates with an AP is called WPA2-PSK (Wi-Fi Protected Access 2 - Pre-Shared Key) with AES (Advanced Encryption Standard) encryption.

This security protocol provides a higher level of security compared to WEP (Wired Equivalent Privacy) and WPA (Wi-Fi Protected Access) as it uses a unique encryption key for each client device and changes it regularly, making it more difficult for attackers to intercept and decrypt the wireless traffic.

TPM is a hardware chip. It is a type of module that is used to authenticate the hardware devices with the help of encryption keys (passwords). It is the short form of Trusted Platform module. The hardware devices that be authenticated through this module may include personnel computer or laptops. There are different keys, password and security codes. So, the best sentence that describes, TPM is Encryption built into hardware.

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The goal of Boeing, Inc is to determine whether an existing machine can mill an engine part that has a design specification of 5.0mm +- 0.10 mm. The process has a standard deviation of σ = 0.02 mm.

Given that the standard deviation of the process is σ = 0.02 mm. Now, we need to determine if the existing machine can produce a part that meets the design specification using the given standard deviation (σ).The tolerance limit (T.L) can be calculated as;

T.L = (Upper Limit – Lower Limit) / 2 where;

Upper Limit = 5.0 + 0.10 = 5.10 mm

Lower Limit = 5.0 – 0.10 = 4.90 mm

T.L = (5.10 – 4.90) / 2 = 0.10 / 2 = 0.05 mm

The value of T.L = 0.05 mm

The process standard deviation (σ) = 0.02 mm

Using the formula;

P = 0.6827, approximately 68.27% of the parts produced by the existing machine fall within the tolerance limit (5.0 ± 0.10)

With a process standard deviation of σ = 0.02 mm and a tolerance limit of 0.05 mm, approximately 68.27% of the parts produced by the existing machine fall within the tolerance limit (5.0 ± 0.10). It can, therefore, be concluded that the existing machine can produce parts that meet the design specification.

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Answer: 162.4

Sorry if you get it wrong :(

Explanation:

Answer:

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Explanation:

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Answer:

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Explanation:

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Please check all the photos ( answer)

Answer:

It seems there's no circuit diagram attached to the question. Please provide a circuit diagram or a more detailed question.

There may be a thrust bearing on either side of the engine.

In a crankshaft, rod bearings are the bearings that allow the connection rod to rotate on the crankshaft. Tech A and Tech B both provided information regarding the same topic. Tech A says that rod bearings are held in place by the torque of the rod bolts crushing the bearing into the big end of the rod bore. Tech B says that one of the connecting rod bearings acts as a thrust bearing for the engine. Let's discuss each one in brief:Tech A is correct: The correct answer is Tech A, as Rod bearings are held in place by the torque of the rod bolts crushing the bearing into the big end of the rod bore. The big end of the connecting rod has a machined half-moon-shaped hole in it, which is where the bearing shells are mounted. As torque is applied to the rod bolts, the conrod is pulled tight against the crankshaft, crushing the bearing shells between the rod and the crankshaft.Tech B is not completely accurate: Though it is true that some connecting rod bearings serve as thrust bearings, it is not entirely accurate. The thrust bearing is generally located between the front of the engine block and the rear of the crankshaft, and its purpose is to resist forward and backward crankshaft movement due to combustion pressures.

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Answer:

The temperature of the outer wall surface will be closer to the temperature of the surrounding air.

Explanation

Since the outer wall has a convective heat transfer coefficient that is 3 time the one in the inner surface due to the wind, the outer wall will have a temperature closer to the surrounding air's temperature because the heat that flows from the warmer inner room wall will be rapidly conducted away from the surface of the outer wall by the prevailing wind, leaving it with a reduced temperature that will be closer to the temperature of the surrounding air.

The pump work = v3.dP = 57.18 x 0.001 x ( 4000 - 20) =227.57 KW

here At T1 = 700 C and P1 = 4 Mpa, from steam tabel : h1 =3906.41 KJ/Kg and s1 = 7.62 KJ/Kg.K

now s1 = s2 = 7.62 KJ/Kg.K as 1-2 is isentropic

so at P2 = 20 Kpa and s2 = 7.62 KJ/Kg.K , fom steam table : h2 = 2513.33 KJ/Kg

a) power produced by turbine = m.( h1 - h2) = 57.18 x ( 3906.41 - 2513.33) = 79656.15 KW

b) at P3 = 20 Kpa, 3 = vf = 0.001 m^3/kg

so pump work = v3.dP = 57.18 x 0.001 x ( 4000 - 20) =227.57 KW

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(a) The type of explosion that could occur inside the reactor vessel depends on the circumstances, but a criticality accident is one potential type in a nuclear reactor.

(b) An explosion during cleaning operations in the reactor vessel can happen due to flammable gas buildup, ignition sources, or vessel containment failure.

(a) The type of explosion that could occur inside the reactor vessel depends on the specific circumstances and materials involved.

In a nuclear reactor, a nuclear explosion, known as a criticality accident, is one potential type of explosion that can happen if there is an uncontrolled chain reaction of nuclear fission.

(b) An explosion in the reactor vessel during the cleaning operation can occur due to various factors.

If there is a breach or failure in the vessel's containment structure, allowing high-pressure gases or steam to accumulate, an explosion may happen when the pressure exceeds the vessel's capacity.

Proper safety measures and protocols, including careful handling of hazardous materials, maintaining appropriate ventilation, and rigorous inspection of the vessel's integrity, are essential to prevent such explosions during cleaning operations.

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If the Mach number of an aeroplane in supersonic flight is increased, the shock wave angles will initially decrease.

However, beyond a certain Mach number, the shock wave angles will start increasing again. This is because at low Mach numbers, the shock wave angle is determined by the local slope of the aircraft surface. As the Mach number increases, the shock wave angle decreases due to the compression of air in front of the aircraft. However, at higher Mach numbers, the shock wave angle is also affected by the strength of the shock wave itself. As the strength of the shock wave increases, the shock wave angle will start to increase again. Therefore, the correct answer to the question is D) decrease and beyond a certain Mach number start increasing again.

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Answer:A

Explanation:

Those who want to save money and will use the product for only a few years

Answer:

THE ANSWER is A - those who want to save money and will use the product for only a few years

Explanation: Got it right on edg 2021

The correct answer choice for implementing the enqueue() method in a queue with a linked list in Java is append().

When implementing a queue using a linked list, the enqueue operation adds an element to the end of the list, as it follows the FIFO (First-In-First-Out) principle. The append() method in the linked list class would typically be used to add a new element at the end of the list, making it the most appropriate choice for the enqueue operation.

The other answer choices are not directly related to the enqueue operation in a queue implementation using a linked list:

removeafter() is used to remove an element after a specified node, which is not necessary for the enqueue operation.

prepend() is used to add an element at the beginning of the list, which does not follow the FIFO principle of a queue.

insertafter() is used to insert an element after a specified node, but it is not typically used in the enqueue operation of a queue.

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Answer:

Resistance = 360,000 Ω = 360 kΩ

Tolerance = +/- 5%

Explanation:

You can follow a four-band resistor chart to determine resistance and tolerance based off each column.

1st Band = Orange = 3

2nd Band = Blue = 6

3rd Band = Yellow = 10,000 Ω (this is the multiplier)

Resistance = 36 * 10,000 Ω = 360,000 Ω = 360 kΩ

4th Band = Gold = +/- 5% Tolerance

Custom read, write, and execute permissions are examples of discretionary access control; a principle of restricting access to objects based on the identity of the subject. Arbitrary access control is implemented using access control lists.

Discretionary access control (DAC), also known as file permissions, is access control on Unix and Linux systems.

Classic example of DAC is the Unix file mode, which defines read, write, and execute permissions on each of her three bits for each user, group, and other. DAC attributes include: A user can transfer ownership of an object to another user. Users can determine access types for other users.

Determines whether the subject has access according to the policy for performing actions on the object. Permissions: Allows a subject to access an object. The separation of privileges principle states that this should be fine-grained. Do not allow access to many objects just to allow access to one object.

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A two-terminal solid-state device that allows current to flow in both directions once breakover voltage is reached and so long as holding current remains high enough is a Thyristor.

What is a thyristor?A thyristor is a solid-state device that works as a switch, rectifier, and voltage controller. Thyristors are used to regulate power and electronic signals, particularly in applications such as DC motor control, heating control, and AC power transmission. They are also used in light dimming and inrush current limiting circuits.

A thyristor can operate in various modes, including reverse blocking, forward blocking, and bidirectional. The term "thyristor" is a generic name for any device with a multilayer semiconductor structure similar to that of a diode and a controlled switch that can be turned on and off. The name "thyristor" comes from its use as a "solid-state" equivalent of the thyratron tube, a vacuum tube.

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