Switch Gear Minimum arcing voltage will be least in case of graphite silver tungsten carbon graphite silver tungsten carbon ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of electrolytic copper porcelain copper tungsten alloy aluminium alloy electrolytic copper porcelain copper tungsten alloy aluminium alloy ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rated secondary current of current transformer for relays is generally 30 A 5 A 20 A 10 A 30 A 5 A 20 A 10 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of power All of these current voltage wave power All of these current voltage wave ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have high speed and selectivity All of these economy and simplicity good selectivity and reliability high speed and selectivity All of these economy and simplicity good selectivity and reliability ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires all of these high speed opening of contacts wide separation of the opened contacts arc suppressing blow out coils all of these high speed opening of contacts wide separation of the opened contacts arc suppressing blow out coils ANSWER DOWNLOAD EXAMIANS APP
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