Switch Gear The rated secondary current of current transformer for relays is generally 20 A 10 A 30 A 5 A 20 A 10 A 30 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called restriking voltage supply voltage recovery voltage peak voltage restriking voltage supply voltage recovery voltage peak voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at minimum voltage maximum voltage maximum current zero current minimum voltage maximum voltage maximum current zero current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 8 4 2 6 8 4 2 6 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. capacitors None of these resistors reactors capacitors None of these resistors reactors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fuse wire, in DC circuit, is inserted in positive circuit only Both positive and negative circuit negative circuit only None of these positive circuit only Both positive and negative circuit negative circuit only None of these ANSWER DOWNLOAD EXAMIANS APP
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