Switch Gear The reflection co-efficient at the open circuited end of a transmission line infinity zero unity None of these infinity zero unity None of these 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 Overheating of relay contacts or contact born out is due to too low contact pressure foreign matter on the contact surface all of these slow making and breaking of load circuit contacts too low contact pressure foreign matter on the contact surface all of these slow making and breaking of load circuit contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? inverse time trip time-delay trip shunt trip None of these inverse time trip time-delay trip shunt trip None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breaker is used for repeated duty intermittent duty over currents short duty repeated duty intermittent duty over currents short duty ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used reactors H.R. fuses isolators earth wires reactors H.R. fuses isolators earth wires ANSWER DOWNLOAD EXAMIANS APP
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