Switch Gear Air blast circuit breaker is used for short duty over currents repeated duty intermittent duty short duty over currents repeated duty intermittent duty ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.05 sec 0.2 sec 0.002 sec 0.001 sec 0.05 sec 0.2 sec 0.002 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To protect most of the electrical equipment handling low power, the types of relays used are None of these Electronic and bimetallic Both of the listed here Thermocouple None of these Electronic and bimetallic Both of the listed here Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as a resistance increasing with voltage rise across the arc an inductive reactance a capacitive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc an inductive reactance a capacitive reactance a resistance decreasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 4 6 2 8 4 6 2 8 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 100 A 20 A 200 A 50 A 100 A 20 A 200 A 50 A ANSWER DOWNLOAD EXAMIANS APP
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