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Electrician
Electrician Set-1
Transformers
9

Transformers MCQ - Electrician (Set-1) with Answers

9) The capacity of a star-connected transformer as compared to a delta-connected transformer will be :

3 times

1/3 times

1/2 times

equal

Answer is:

1/3 times

Transformers MCQ - Electrician (Set-1) with Answers

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Related Transformers MCQ - Electrician (Set-1) with Answers

10) In the breather of a transformer, silica-jelly is used to stop the _____ to reach up to the insulating oil :

rain water

dry air

moisture

steam

Answer is:

moisture

11) The principle of working of a transformer is :

static induction

self induction

mutual induction

dynamic induction

Answer is:

mutual induction

12) A transformer is used for changing the value of:

voltage

frequency

power

power factor

Answer is:

voltage

13) A transformer operates :

always at unity power factor

at its own power factor

at a power factor below a particular value

at a power factor depending on the power factor of the load

Answer is:

at a power factor depending on the power factor of the load

Transformers MCQ - Electrician (Set-1) with Answers

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