Switch Gear The arcing contacts in a circuit breaker are made of porcelain copper tungsten alloy aluminium alloy electrolytic copper porcelain copper tungsten alloy aluminium alloy electrolytic copper ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To reduce short circuit fault currents......... are used. capacitors None of these reactors resistors capacitors None of these reactors resistors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When transmission line is energized, the wave that propagates on it is current wave only both current wave and voltage wave voltage wave only power factor wave only current wave only both current wave and voltage wave voltage wave only power factor wave only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against both open and short-circuit faults open-circuit faults only None of these short-circuit faults only both open and short-circuit faults open-circuit faults only None of these short-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Resistance grounding is used for voltage between 33 kV to 66 kV None of these 3.3 kV to 11 kv 11 kv to 33 kv 33 kV to 66 kV None of these 3.3 kV to 11 kv 11 kv to 33 kv ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 80 kA 60 kA 20 kA 35 kA 80 kA 60 kA 20 kA 35 kA ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS