Switch Gear The short circuit in any winding of the transformer is the result of mechanical vibration impulse voltage insulation failure loose connection mechanical vibration impulse voltage insulation failure loose connection ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in D.C. circuits, is inserted in positive circuit only Both of the listed here negative circuit only none of the listed here positive circuit only Both of the listed here negative circuit only none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 5 A 20 A 30 A 10 A 5 A 20 A 30 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? air break circuit breaker low oil circuit breaker Sf6 CB bulk oil circuit breaker air break circuit breaker low oil circuit breaker Sf6 CB bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these 2.55 × symmetrical breaking capacity √2 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of electrolytic copper aluminium alloy porcelain copper tungsten alloy electrolytic copper aluminium alloy porcelain copper tungsten alloy ANSWER DOWNLOAD EXAMIANS APP
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