Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? isolator air break circuit breaker oil circuit breaker rewireable fuse isolator air break circuit breaker oil circuit breaker rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under no load normal conditions None of these full load no load normal conditions None of these full load ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of silver carbon graphite tungsten silver carbon graphite tungsten ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The making capacity of a circuit breaker is equal to 2.55 × symmetrical breaking capacity None of these √3 × symmetrical breaking capacity √2 × symmetrical breaking capacity 2.55 × symmetrical breaking capacity None of these √3 × symmetrical breaking capacity √2 × symmetrical breaking capacity 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 any specific resistance low melting point and high specific resistance high melting point and low specific resistance Low melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To protect most of the electrical equipment handling low power, the types of relays used are Thermocouple Electronic and bimetallic None of these Both of the listed here Thermocouple Electronic and bimetallic None of these Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
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