Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? shunt trip None of these inverse time trip time-delay trip shunt trip None of these inverse time trip time-delay trip ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have high melting point and low specific resistance low melting point and high specific resistance low melting point and any specific resistance Low melting point and low specific resistance high melting point and low specific resistance low melting point and high specific resistance low melting point and any specific resistance Low melting point and low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against open-circuit faults only both open and short-circuit faults short-circuit faults only None of these open-circuit faults only both open and short-circuit faults short-circuit faults only None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? oil circuit breaker rewireable fuse isolator air break circuit breaker oil circuit breaker rewireable fuse isolator air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to None of these protect the line open the circuit prevent excessive currents protect the appliance None of these protect the line open the circuit prevent excessive currents protect the appliance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used reactors H.R. fuses earth wires isolators reactors H.R. fuses earth wires isolators ANSWER DOWNLOAD EXAMIANS APP
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