MCQ: Which among the following statement is true related to fuse?

1. Greater the current smaller is the time taken by the fuse to blow out.
2. Greater the current greater is the time taken by the fuse to blow out.
3. The current is directly proportion to the blow out time of fuse.
4. Is dependent on the temperature and atmospheric conditions.

MCQ: The main function of a fuse is to_____________?

1. protect the line
2. open the circuit
3. protect the appliance
4. prevent excessive currents
5. none of the above

MCQ: With which of the following, a circuit breaker must be equipped for remote operation ?

1. Inverse time trip
2. Time-delay trip
3. Shunt trip
4. None of the above
5. All of the above

MCQ: Thermal circuit breaker has____________?

1. delayed trip action
2. instantaneous trip action
3. both of the above
4. none of the above

MCQ: Magnetic circuit breaker has ___________ trip action

1. delayed
2. instantaneous
3. both of the above
4. none of the above

MCQ: Fault diverters are basically____________?

1. fuses
2. relays
3. fast switches
4. circuit breakers