Switch Gear The single phasing relays are used for the protection of three phase motors single phase motors only two phase motors only two single phase motors running in parallel three phase motors single phase motors only two phase motors only two single phase motors running in parallel 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 Which of the following is the least expensive protection for over current is low voltage system ? rewireable fuse isolator air break circuit breaker oil circuit breaker rewireable fuse isolator air break circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Resistance grounding is used for voltage between 3.3 kV to 11 kv 33 kV to 66 kV None of these 11 kv to 33 kv 3.3 kV to 11 kv 33 kV to 66 kV None of these 11 kv to 33 kv ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for repeated duty over currents short duty intermittent duty repeated duty over currents short duty intermittent duty ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at zero current minimum voltage maximum current maximum voltage zero current minimum voltage maximum current maximum voltage ANSWER DOWNLOAD EXAMIANS APP
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