Switch Gear When a fault occur in a power system, the circuit breaker opens automatically is opened by remote control is opened manually None of these opens automatically is opened by remote control is opened manually None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Insulation resistance of high voltage circuit breakers is more than 100 mega ohms 10 mega ohms 1 mega ohms 500 mega ohms 100 mega ohms 10 mega ohms 1 mega ohms 500 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of voltage wave power current All of these voltage wave power current All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? low oil circuit breaker Sf6 CB air break circuit breaker bulk oil circuit breaker low oil circuit breaker Sf6 CB air break circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against overload short-circuit and overload None of these open circuit, short-circuit and overload overload short-circuit and overload None of these open circuit, short-circuit and overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always None of these lagging the arc current by 90° leading the arc current by 90° In phase with the arc current None of these lagging the arc current by 90° leading the arc current by 90° In phase with the arc current ANSWER DOWNLOAD EXAMIANS APP
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