Switch Gear In Railway applications ______ circuit breaker is used. SFe bulk oil minimum oil air break SFe bulk oil minimum oil air break ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of electrolytic copper aluminium alloy copper tungsten alloy porcelain electrolytic copper aluminium alloy copper tungsten alloy porcelain ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Resistance grounding is used for voltage between 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 33 kV to 66 kV ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? rewireable fuse oil circuit breaker isolator air break circuit breaker rewireable fuse oil circuit breaker isolator air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed always independent of the position of circuit breaker generally on both sides of a circuit breaker as a substitute for circuit breaker to operate the relay of circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker as a substitute for circuit breaker to operate the relay of circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to all of these slow making and breaking of load circuit contacts foreign matter on the contact surface too low contact pressure all of these slow making and breaking of load circuit contacts foreign matter on the contact surface too low contact pressure ANSWER DOWNLOAD EXAMIANS APP
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