Switch Gear A fuse element is generally made of iron silver brass steel iron silver brass steel ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? oil circuit breaker rewireable fuse air break circuit breaker isolator oil circuit breaker rewireable fuse air break circuit breaker isolator 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 SF 6 gas Is nontoxic is lighter than air has pungent small is yellow in colour Is nontoxic is lighter than air has pungent small is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against open-circuit faults only None of these both open and short-circuit faults short-circuit faults only open-circuit faults only None of these both open and short-circuit faults short-circuit faults only 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 6 8 2 4 6 8 2 4 ANSWER DOWNLOAD EXAMIANS APP