Switch Gear The time of closing the cycle, in modern circuit breakers is 0.003 sec 0.01 sec 0.001 sec 0.10 sec 0.003 sec 0.01 sec 0.001 sec 0.10 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The advantage of HRC fuse is that it All of these does not deteriorate with age has high speed of operation is quite cheap All of these does not deteriorate with age has high speed of operation is quite cheap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The short circuit in any winding of the transformer is the result of insulation failure impulse voltage loose connection mechanical vibration insulation failure impulse voltage loose connection mechanical vibration ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to √3 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity √3 × symmetrical breaking capacity None of these √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 300 A 100 A more than 1000 A 200 A 300 A 100 A more than 1000 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface all of these too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface all of these ANSWER DOWNLOAD EXAMIANS APP
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