Engine Category > EO6-Operate Alternators and Generators

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Engine Category > EO6-Operate Alternators and Generators
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About this collection

Videotel questions are grouped by professional topic, including machinery, electrical equipment, fuel and ballast operations. Choose a subject relevant to your preparation.

“Видеотел — Engine Category > EO6-Operate Alternators and Generators” contains 26 questions across 1 collection.

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In these circuits current I1 and I2 are the same and all resistors R have the same value. In which circuit will the voltage be greater ?

One correct answer

1) Circuit 1.
2) Circuit 2.✓ Correct answer
3) They have the same voltage.
4) Voltage will remain the same bu the current will vary.

The Main as well as the Emergency switchboard are panels where the electric power is ............

One correct answer

1) generated as distributed.
2) fed into and distributed to the motors via starting boxes.
3) monitored and supplied via distributors.
4) fed into, monitored and supplied to the consumers.✓ Correct answer

Re-conditioning part 4 and part 7 of this valve using carborundum paste is called .........?

One correct answer

1) burnishing.
2) re-packing.
3) finishing.
4) grinding.✓ Correct answer

What is the purpose of the expansion tank ?

One correct answer

1) To store extra water.
2) To take up the difference of water pressure with changes of temperature.
3) To act as a spare tank in case the pressure is dropping.
4) To take up the difference of water volume with changes of temperature.✓ Correct answer

What are the items 'PP' indicated in this electric starting diagram ?

One correct answer

1) Start relays.
2) Stop relays.
3) Start push buttons.
4) Stop push buttons.✓ Correct answer

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