Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 20 kA 60 kA 35 kA 80 kA 20 kA 60 kA 35 kA 80 kA 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 air break circuit breaker isolator rewireable fuse oil circuit breaker air break circuit breaker isolator rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has a linear characteristic has inverse characteristic is a circle None of these has a linear characteristic has inverse characteristic is a circle None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called restriking voltage supply voltage peak voltage recovery voltage restriking voltage supply voltage peak voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas is lighter than air has pungent small is yellow in colour Is nontoxic is lighter than air has pungent small is yellow in colour Is nontoxic ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 10 mega ohms 100 mega ohms 500 mega ohms 1 mega ohms 10 mega ohms 100 mega ohms 500 mega ohms 1 mega ohms ANSWER DOWNLOAD EXAMIANS APP