If a 180 RPM synchronous motor and gear train rated for 60Hz is run on 50Hz, what speed will the output shaft have?

Answers

Answer 1
For a generic answer: yes you can, IF: you reduce the voltage by 50/60, the equipment doesn't care, you don't care about potentially overheating the motor, the process/load can tolerate the lower speed/torque, etc.

Related Questions

Most technicians install rebuilt or new power steering pumps rather than overhauling the defective unit in the shop. True or False?

Answers

Answer:

Most technicians install rebuilt or new power steering pumps rather than overhauling the defective unit in the shop.

True

Explanation:

It has been established that most technicians, instead of overhauling the defective power steering pumps, prefer to install rebuilt or revamped pumps or even new pumps when they could have overhauled the unit themselves.  Some are afraid that leakage could occur again.  They are not confident enough to do the overhauling in-house or some claim that they do not have the time and other tools to carry out the overhauling.  Acknowledgedly, overhauling a power steering pump is not a job for the novice.  They require experienced and skilled hands to do the hard work.

An organization sets its standards for quality according to the best product it can produce.
True
False

Answers

I believe it’s True, but please correct me if I’m wrong!

Answer:

True!! took the test

Explanation:

A transmission channel between two communicating DTEs is made up of three sections. The first introduces an attenuation of 16 dB, the second introduces an amplification of 20 dB, and the third introduces an attenuation of 10 dB. Assuming a mean transmitted power level of 400 mW, determine the mean output power level of the channel. (3 points)

Answers

Answer:

the mean output power level of the channel is 100.475 mW

Explanation:

Given the data in the question;

for the first section; attenuation

16 = 10log₁₀  400/P₂

P₂ = 10.0475 mW

For the second section;  amplification

20 = 10log₁₀  p₂/10.0475

p₂ = 1004.75 mW

For the third section; attenuation

10 = 10log₁₀  p₂/1004.75  

p₂ = 100.475 mW

i.e the mean output power level is 100.475 mW

or better still overall attenuation channel = ( 16 - 20) + 10 = 6dB

so

6 = 10log₁₀  400/P₂

p₂ = 100.475 mV

the mean output power level of the channel is 100.475 mW

Multiple Choice
Which of the following analogies best describes the relationship between urban planning and zoning?


Zoning is like a hammer because it is used as a tool for urban planning.

Zoning is like a butterfly because it is the final form of urban planning.

Zoning is like a stop sign because it is an obstacle to urban planning.

Zoning is like an egg because it is the process from which urban planning emerges.

Answers

Answer:

Zoning is like a hammer because it is used as a tool for urban planning.

People with skills and training in areas such as marketing or accounting are an important part of the manufacturing industry.

True
False

Answers

Answer:

true

Explanation:

Is (3x+1)(4x-5) the factor form of 12x^2-11x-5?

Answers

Answer:

Yes good job

Explanation:

Answer:

Yes

Explanation:

Yes, the factored form of 12x^2-11x-5 is (3x+1)(4x-5)

Select the correct text in the passage.
Identify which of the following sentences describes the working of a piezoelectric gauge.

Answers

It is habahi Yw with yuuuuuy I am a little more confused about

Answer:

The gauge converts the charge into a measurable electrical signal.

Explanation:

trust me

Which type of memory is programmed at the factory? RAM ROM Cache or Virtual memory

Answers

Answer:

RAM, which stands for random access memory, and ROM, which stands for read-only memory, are both present in your computer. RAM is volatile memory that temporarily stores the files you are working on. ROM is non-volatile memory that permanently stores instructions for your computer.

Explanation:

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