Switch Gear The rating of a circuit breaker is generally determined on the basis of single line to ground fault current line to line fault current symmetrical fault current double line to ground fault current single line to ground fault current line to line fault current symmetrical fault current double line to ground fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to 2.55 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called supply voltage peak voltage restriking voltage recovery voltage supply voltage peak voltage restriking voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against both open and short-circuit faults open-circuit faults only None of these short-circuit faults only both open and short-circuit faults open-circuit faults only None of these short-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Outdoor switchgear is generally used for voltage beyond 11 kV 33 kV 66 kV 132 kV 11 kV 33 kV 66 kV 132 kV ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? bulk oil circuit breaker low oil circuit breaker air break circuit breaker sf 6 circuit breaker bulk oil circuit breaker low oil circuit breaker air break circuit breaker sf 6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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