Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called recovery voltage peak voltage restriking voltage supply voltage recovery voltage peak voltage restriking voltage supply voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to slow making and breaking of load circuit contacts too low contact pressure all of these foreign matter on the contact surface slow making and breaking of load circuit contacts too low contact pressure all of these foreign matter on the contact surface ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker opens automatically is opened manually is opened by remote control None of these opens automatically is opened manually is opened by remote control None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas has pungent small is lighter than air Is nontoxic is yellow in colour has pungent small is lighter than air Is nontoxic is yellow in colour ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon armature core air gap the spring tension All of these the rate of flux built up armature core air gap the spring tension All of these the rate of flux built up ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 10 A 20 A 5 A 30 A 10 A 20 A 5 A 30 A ANSWER DOWNLOAD EXAMIANS APP
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