Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? isolator air break circuit breaker rewireable fuse oil circuit breaker isolator air break circuit breaker rewireable fuse oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have high melting point and low specific resistance Low melting point and low specific resistance low melting point and high specific resistance low melting point and any specific resistance high melting point and low specific resistance Low melting point and low specific resistance low melting point and high specific resistance low melting point and any specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Relay can be designed to respond to changes in All of these voltage and current resistance, reactance and impedance temperature All of these voltage and current resistance, reactance and impedance temperature ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed as a substitute for circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker to operate the relay of circuit breaker as a substitute for circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker to operate the relay of circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has inverse characteristic has a linear characteristic is a circle None of these has inverse characteristic has a linear characteristic is a circle None of these 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 35 kA 20 kA 60 kA 80 kA 35 kA 20 kA 60 kA ANSWER DOWNLOAD EXAMIANS APP
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