Switch Gear Arc in a circuit breaker is interrupted at maximum voltage zero current maximum current minimum voltage maximum voltage zero current maximum current minimum voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of power All of these voltage wave current power All of these voltage wave current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called recovery voltage restriking voltage peak voltage supply voltage recovery voltage restriking voltage peak voltage supply voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? rewireable fuse air break circuit breaker oil circuit breaker isolator rewireable fuse air break circuit breaker oil circuit breaker isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to prevent excessive currents protect the line protect the appliance open the circuit None of these prevent excessive currents protect the line protect the appliance open the circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In Railway applications ______ circuit breaker is used. SFe air break bulk oil minimum oil SFe air break bulk oil minimum oil ANSWER DOWNLOAD EXAMIANS APP
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