Switch Gear The single phasing relays are used for the protection of single phase motors only two phase motors only two single phase motors running in parallel three phase motors single phase motors only two phase motors only two single phase motors running in parallel three phase motors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against short-circuit and overload open circuit, short-circuit and overload None of these overload short-circuit and overload open circuit, short-circuit and overload None of these overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between None of these two voltages two currents two or more similar electrical quantities None of these two voltages two currents two or more similar electrical quantities ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be 200 A 100 A 300 A more than 1000 A 200 A 100 A 300 A more than 1000 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 25 A 6.25 A 3.125 A 12.5 A 25 A 6.25 A 3.125 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.1 sec 100 micro-second 0.5 sec 50 milli-second 0.1 sec 100 micro-second 0.5 sec 50 milli-second ANSWER DOWNLOAD EXAMIANS APP
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