Three single-phase, 7200 volt to 480 volt, 100 kVA transformers are connected in a step-down bank with the 7200 windings connected in wye and the 480 volt windings connected in delta. What is the rated line-to-line voltage on the wye side?
1. 12,470 V
2. 7,200 V
3. 4.160 V
4. 14,400 V
5. None of the above

Answers

Answer 1
The answer is option 1. 12,470 V

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Related Questions

Calculate the engineering stress in SI units on a bar 25 cm long and having a cross section of 9.00 mm × 4.00 mm that is subjected to a load of 3500 kg.

Answers

Answer:

7500kg/mm

Explanation:

What are the factors that influence the power input to the compressor?

a) The mass flow of air

b) The pressure ratio of the compressor

c) The inlet temperature

d) Temperature difference between the inlet and outlet

e) The properties of the working medium

Answers

Answer:

option e is correct answer

Do you think that the country that has the right to force vaccinations on the community?

Answers

Answer:

no

Explanation:

we all have the freedom to choose whether we want to have something injected in our bodies that we aren't sure about. This would be a violation of our constitutional right to force us to take the vaccine.

Work the previous problem for the line integral f (x2+y2)dx + 3xy2 dy.

Answers

Feel free to consult the details in my answer to 24438105 if you wish to compute the line integral directly. I don't see any specification of which method to use, so I'll do it the faster way.

By Green's theorem,

[tex]\displaystyle \int_C (x^2+y^2)\,\mathrm dx + 3xy^2\,\mathrm dy = \iint_D \frac{\partial(3xy^2)}{\partial x} - \frac{\partial(x^2+y^2)}{\partial y}\,\mathrm dx\,\mathrm dy \\\\ = \iint_D (3y^2-2y)\,\mathrm dx\,\mathrm dy[/tex]

Since D is a disk with radius 2 centered at the origin, consider converting to polar coordinates using x = r cos(t ) and y = r sin(t ). Then

[tex]D = \left\{(r,\theta) \mid 0\le r\le 2\text{ and }0\le t\le2\pi\right\}[/tex]

[tex]x^2+y^2 = r^2[/tex]

[tex]\mathrm dx\,\mathrm dy = r\,\mathrm dr\,\mathrm dt[/tex]

[tex]\implies \displaystyle \iint_D (3y^2-2y) \,\mathrm dx\,\mathrm dy = \int_0^{2\pi}\int_0^2 (3r^2\sin^2(t)-2r\sin(t))r\,\mathrm dr\,\mathrm dt \\\\ = \int_0^{2\pi} \int_0^2 (3r^3\sin^2(t)-2r^2\sin(t))\,\mathrm dr\,\mathrm dt \\\\ = \int_0^{2\pi} \left(12\sin^2(t)-\frac{16}3\sin(t)\right)\,\mathrm dt = \boxed{12\pi}[/tex]

 Observe how the components of the brake system is connected together using Motor Tricycle
 Open the Rear Axle provided to you and observe how drum brake system operate
 Using the Caravan Van, Observe how does the Disk Brake System works
 Prepare a diagram how does the brake system work
 Observe How does the “Brake Booster” works
 Observe how does the ABS system interfere with the Braking using the ABS training Module

Answers

Answer:

The term drum brake usually means a brake in which shoes press on the inner surface of the drum. When shoes press on the outside of the drum, it is usually called a clasp brake. Where the drum is pinched between two shoes, similar to a conventional disc brake, it is sometimes called a pinch drum brake, though such brakes are relatively rare. A related type called a band brake uses a flexible belt or "band" wrapping around the outside of a drum.

Which of the following defines context?


the ability to find new ways of thinking about a problem

the condition in which a problem exists

the study of the theoretical nature of an event

the problem-solving technique of an engineer

Answers

Answer:

The condition in which a problem exists

Explanation:

Context is the situation surrounding information, e.g. if you don't understand a word in a passge you can look for "context clues" where you use surrounding words to infer the meaning of the unknown one

Rt = R1 + R2 + R3

[tex] \frac{1}{rt} = \frac{1}{r1} + \frac{1}{r2} + \frac{1}{r3} [/tex]

If R1 = 4Ω , R2 = 6Ω and R3 = 8Ω (Ω= ohm)


Calculate: 4.1.1 Rt (series)
4.1.2 Rt (parallel)





Answers

Answer:

In series:

[tex] \frac{1}{r} = \frac{1}{r_{1} } + \frac{1}{r _{2} } + \frac{1}{r_{3} } [/tex]

[tex] \frac{1}{r} = \frac{1}{4} + \frac{1}{6} + \frac{1}{8} \\ \\ \frac{1}{r} = \frac{13}{24} \\ \\ r = \frac{24}{13} \\ { \underline{r = 1.85 \: Ω}}[/tex]

In parallel:

[tex]r = r _{1} + r _{2} + r _{3} \\ r = 4 + 6 + 8 \\ r = 18Ω[/tex]

Q2

a) Prove that the rotor copper loss of 3-phase induction motor is.

Pr = sP2

where Pr = rotor copper loss

S = slip

P2 = rotor input power

Pm = mechanical power developed by the roto

Answers

Answer:

Pr=sP2

Pr=rotor copper loss.

in the metric system what is the prefix for 1000

Answers

Yes dialogue since the corresponding peragular colum is negative to prefix

On a typical 120 volt circuit in your home, you may have a 15 ampere fuse or circuit breaker. What is the maximum power (watts) that this circuit can handle? How many 10 Watt light bulbs could you turn on without blowing the fuse?

Answers

Answer:

Maximum power is

P = V × I

P = 120 × 15

P = 1800 watt

What is the measurement

Answers

Bahaiajkabaiiakqbqhja

Many vehicles use halogen light bulbs. What must you avoid when handling halogen bulbs?

Answers

Answer:

here

Explanation:

try not to touch the Glass on Halogen Light Bulbs, even when changing the bulb. This is because when you touch a Halogen Light Bulb, you leave behind a residue on the Light Bulb which can in time cause the bulb to heat up unevenly, and even cause the bulb to shatter as a result.

How does Brake system work

Answers

Answer:

To stop a car, the brakes have to get rid of that kinetic energy. They do so by using the force of friction to convert that kinetic energy into heat. This hydraulic system multiplies the force of your foot on the brake pedal into enough force to apply the brakes and make the car stop.

Express the following numbers in decimal:
(a) (11001.1011)
2

(b) (A3.C)
16

(c) (75.16)
8

(d) (ABCD)
16

Answers

(a)

11001.1011₂ = 1×2⁴ + 1×2³ + 1×2⁰ + 1×2 ⁻¹ + 1×2 ⁻³ + 1×2 ⁻⁴

… = 16 + 8 + 1 + 1/2 + 1/8 + 1/16

… = 411/16

(b) In base 16, we have A₁₆ = 10 and C₁₆ = 12, so

A3.C₁₆ = 10×16¹ + 3×16⁰ + 12×16 ⁻¹

… = 160 + 3 + 12/16

… = 2620/16 = 655/4

(c)

75.16₈ = 7×8¹ + 5×8⁰ + 1×8 ⁻¹ + 6×8 ⁻²

… = 56 + 5 + 1/8 + 6/64

… = 3918/64 = 1959/32

(d) B₁₆ = 11 and D₁₆ = 13, so

ABCD₁₆ = 10×16³ + 11×16² + 12×16¹ + 13×16⁰

… = 40960 + 2816 + 192 + 13

… = 43981

20 pts!
Calculate or write the formula please

A) the value of “dd”
B) the angle theta1
C) angle of transmission (μ)

Answers

Answer:

A the value of dd because you can see how the value is to the dd

Need help coding this i’m using python.

Answers

Answer:

ill help'

Explanation:

1. __________ is an example of an electrical device.

Answers

Answer:

1. Battery

2. Light bulb

3. Toaster

Explanation:

An electrical device is a device that produces or is powered by electricity.

Answer:

All of the above

Explanation:

WILL GIVE BRAINLEY PLZZZZZZZ

how is a electrical resistance similar to the diameter of a pipe of water

Answers

Answer:

The resistance of the flow of charges in an electric circuit (electrical resistance) is analogous to the frictional effect between water flow through a pipe and the pipe's surface

Explanation:

In comparison to its similarity to the diameter of the pipe affects the flow of water and acts a a factor affecting resistance so are there factors affecting electrical resistance.

in an electrical circuit:

the total length of the wire is to the length of a pipe of water

the cross-sectional area of the wire is to the diameter of a pipe of water.

Thus, the cross sectional are affects the amount of electrical resistance. Wider wires have wider cross-sectional area and vice versa. Also, water will flow (i.e. current) through a wider pipe (i.e. large diameter) at a faster rate than a narrow pipe (i.e. small diameter). This is due to the lower amount of resistance offered by the wider pipe.

in the same manner, the wider the wire, the lesser the electrical resistance to the flow of elsctric charge and vice versa for thiner wires.

In a pipe of diameter 350mm and length 75mm, water is flowing at a velocity of 2.8m/s. If the Kinematic viscosity of water is 0.012 Stokes, calculate the Reynolds number,Evaluate the coefficient of friction​

Answers

Explanation:

the answer is in picture

The thermostat is the gauge on your dashboard for _____.
A. telling the temperature inside the cabin
B. telling the oil levels remaining
C. checking water levels
D. checking the engine's temperature

Answers

The answer is

D. checking the engine's temperature

The thermostat is the gauge on your dashboard for checking the engine's temperature. The correct option is D.

What is a thermostat gauge?

The temperature gauge in your car, which is often seen on the dashboard, is used to display the coolant temperature for your engine. You can use this indicator to determine whether the coolant in your engine is cold, normal, or hot.

Your car's temperature gauge is made to gauge the coolant temperature in your engine. This gauge will indicate whether the coolant in your engine is cold, normal, or overheated. It is a crucial dial that may be found on your car's dashboard.

The same thermostat generates signals, typically electrical, combined in a system that includes relays, valves, controllers, and other components whenever the temperature rises or falls below the desired level.

Therefore, the correct option is D. checking the engine's temperature.

To learn more about thermostat gauges, refer to the link:

https://brainly.com/question/16632841

#SPJ6

Discuss in detail the following methods used to redistribute income and wealth in cash grants?​

Answers

Answer:

Redistribution of income and wealth is the transfer of income and wealth (including physical property) from some individuals to others through a social mechanism such as taxation, welfare, public services, land reform, monetary policies, confiscation, divorce or tort law.

-The term typically refers to redistribution on an economy-wide basis rather than between selected individuals.

Interpretations of the phrase vary, depending on personal perspectives, political ideologies and the selective use of statistics.

-It is frequently heard in politics, usually referring to perceived redistribution from those who have more to those who have less. Occasionally, however, it is used to describe laws or policies that cause opposite redistribution that shift monetary burdens from low-income earners to the wealthy.

-

The phrase is often coupled with the term class warfare, with high-income earners and the wealthy portrayed as victims of unfairness and discrimination.

-

Redistribution tax policy should not be confused with predistribution policies. "Predistribution" is the idea that the state should try to prevent inequalities from occurring in the first place rather than through the tax and benefits system once they have occurred. For example, a government predistribution policy might require employers to pay all employees a living wage, not just a minimum wage, as a "bottom-up" response to widespread income inequalities or high poverty rates.

Many alternate taxation proposals have been floated without the political will to alter the status quo. One example is the proposed "Buffett Rule", which is a hybrid taxation model composed of opposing systems, intended to minimize the favoritism of the special interest tax design.

A chemical rocket is used for launch into earth orbit. The combustion stagnation temperature is 3000K. The molecular weight of the combustion products is 26. The gases expand isentropically as an ideal gas mixture with specific-heat ratio of 1.2. The area ratio Ae/A* of the nozzle is 20, and the throat diameter is 0.1m. Determine:

a. The stagnation pressure if the expansion is correct at sea level
b. The rocket thrust at sea level, 15- km, 30km, and 60km altitude.

Answers

The answer would be a. The stagnation pressure of the expansion is correct at see level

Radio capacity may be increased in cellular concept by​

Answers

Answer:

Answer is "Increasing the number of base stations & reusing the channels"

Explanation:

Answer:

radio capacity may be increased in cellular concept by increasing the number of base stations and reusing the channels.

tìm phản lực gối tựa

Answers

Answer:

jwjehevrvbdbejd HB dbnwjsishrb t bxjwbkozkwnwn shxvbebhgvevhehjhr. jebn

Cho động cơ có Z=24 rãnh, 2p=4 cực. Vẽ sơ đồ khai triển dây quấn động cơ kiểu đồng tâm hai mặt phẳng, q tập trung, đầu vào các pha liên tiếp lệch 1200 điện.

Answers

Answer:

can u write it in English

Explanation:

can't understand it

This material is considered flammable. A paint B glue C Oil D ALL of the above

Answers

Answer:

Explanation:

Generally speaking, flammable liquids will ignite (catch on fire) and burn easily at normal working temperatures. ... Fuels and many common products like solvents, thinners, cleaners, adhesives, paints, waxes and polishes may be flammable or combustible liquids.

The material which is considered flammable is: A. paint.

A chemical property can be defined as the property of a chemical compound (material) that can be observed and is measurable during a chemical reaction.

In Science, some examples of the chemical properties of a material (substance) include the following;

TarnishingRustingReactivityFlammability

Flammability refers to the ability of a material to support combustion or burn continuously in the presence of air. An example of a material which is considered to be flammable is paint because it contains a high level of solvents.

Read more on flammability here: https://brainly.com/question/14214497

What is Traction Control System?

Answers

Answer:

A traction control system is a secondary function of electronic stability control on production motor vehicles, designed to prevent loss of traction of the driven road wheels.

Who is the first presidant of the us?

Answers

Answer:

George Washington was the first president

George Washington was the first president.

what is geometrical shape? list them and describe any two of them with sketch

Answers

Explanation:

Geometric Shapes can be defined as figure or area closed by a boundary which is created by combining the specific amount of curves, points, and lines.

Match the term to the best description scientific method

Answers

Answer:

a method of research in which a problem is identified, relevant data are gathered, a hypothesis is formulated from these data, and the hypothesis is empirically tested.

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