Switch Gear In Railway applications ______ circuit breaker is used. SFe minimum oil bulk oil air break SFe minimum oil bulk oil air break ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? oil circuit breaker rewireable fuse isolator air break circuit breaker oil circuit breaker rewireable fuse isolator air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of volts amperes MVA Mw volts amperes MVA Mw ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage surge voltage operating voltage recovery voltage arc voltage surge voltage operating voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 100 micro-second 0.1 sec 0.5 sec 50 milli-second 100 micro-second 0.1 sec 0.5 sec 50 milli-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Resistance grounding is used for voltage between 33 kV to 66 kV 3.3 kV to 11 kv None of these 11 kv to 33 kv 33 kV to 66 kV 3.3 kV to 11 kv None of these 11 kv to 33 kv ANSWER DOWNLOAD EXAMIANS APP
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