SWITCH GEAR QUIZ

current

voltage wave

All of these

power

the spring tension

the rate of flux built up

All of these

armature core air gap

three phase motors

two single phase motors running in parallel

two phase motors only

single phase motors only

None of these

either of the above

power frequencies

higher frequencies entering generator or transformer units

4

2

8

6

porcelain

electrolytic copper

copper tungsten alloy

aluminium alloy

air-blast circuit breaker

sf6 circuit breaker

vaccum circuit breaker

oil circuit breaker

many turns of thin wire

many turns of thick wire

few turns of thick wire

few turns of thin wire

0.001 sec

0.05 sec

0.002 sec

0.2 sec

short duty

intermittent duty

repeated duty

over currents