Switch Gear SF6 gas is yellow in colour is nontoxic has pungent small None of these is lighter than air is yellow in colour is nontoxic has pungent small None of these is lighter than air ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two currents two or more similar electrical quantities None of these two voltages two currents two or more similar electrical quantities None of these two voltages ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 60 kA 35 kA 20 kA 80 kA 60 kA 35 kA 20 kA 80 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? Sf6 CB bulk oil circuit breaker low oil circuit breaker air break circuit breaker Sf6 CB bulk oil circuit breaker low oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under sub-transient state of short circuit current after dc component has ceased transient state of short circuit current steady state of short circuit current sub-transient state of short circuit current after dc component has ceased transient state of short circuit current steady state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to All of these insulate the contacts from switch body extinguish the arc lubricate the contacts None of these All of these insulate the contacts from switch body extinguish the arc lubricate the contacts None of these ANSWER DOWNLOAD EXAMIANS APP
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