Switch Gear A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 1500/√3 A 1500 A None of these 750 A 1500/√3 A 1500 A None of these 750 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called operating voltage surge voltage arc voltage recovery voltage operating voltage surge voltage arc voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rate of rise of restriking voltage depends on the inductance of the system only the capacitance of the system only both inductance and capacitance of the system the type of circuit breaker the inductance of the system only the capacitance of the system only both inductance and capacitance of the system the type of circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF6 gas None of these is lighter than air has pungent small is nontoxic is yellow in colour None of these is lighter than air has pungent small is nontoxic is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? sulphur hexafluoride carbon tetrachloride transformer oil distilled water sulphur hexafluoride carbon tetrachloride transformer oil distilled water ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a protective device current limiting device current controlling device None of these protective device current limiting device current controlling device None of these ANSWER DOWNLOAD EXAMIANS APP
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