Switch Gear A differential relay measures the vector difference between two voltages two currents two or more similar electrical quantities None of these two voltages two currents two or more similar electrical quantities None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage operating voltage arc voltage surge voltage recovery voltage operating voltage arc voltage surge voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called restriking voltage recovery voltage supply voltage peak voltage restriking voltage recovery voltage supply voltage peak voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for intermittent duty over currents repeated duty short duty intermittent duty over currents repeated duty short duty ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to None of these open the circuit prevent excessive currents protect the line protect the appliance None of these open the circuit prevent excessive currents protect the line protect the appliance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? transformer oil sulphur hexafluoride distilled water carbon tetrachloride transformer oil sulphur hexafluoride distilled water carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
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