GENERATION AND TRANSMISSION - Quiz

1) Which principle auto transformer works?

Lenzs law Flemings right hand rule Self induction Mutual induction

2) Where synthetic liquid transformer oil is used?

Generating station transformers Primary substation transformers Refineries and hazardous location Secondary substation transformers

3) Which part produces magnetic flux in a transformer?

Primary winding Secondary winding Tap charger Core

4) Which is the function of breather in transformer?

Observes heat Indicate oil level Prevents the moisture entry Reduces tank pressure

5) Why the transformer core is laminated?

To minimise the hysteresis losses To minimise the eddy current loss To minimise the copper loss To minimise the friction loss