Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? air break circuit breaker rewireable fuse oil circuit breaker isolator air break circuit breaker rewireable fuse oil circuit breaker isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker opens automatically None of these is opened by remote control is opened manually opens automatically None of these is opened by remote control is opened manually ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To protect most of the electrical equipment handling low power, the types of relays used are Electronic and bimetallic Both of the listed here None of these Thermocouple Electronic and bimetallic Both of the listed here None of these Thermocouple ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In Railway applications ______ circuit breaker is used. minimum oil air break SFe bulk oil minimum oil air break SFe bulk oil ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of three phase motors two phase motors only two single phase motors running in parallel single phase motors only three phase motors two phase motors only two single phase motors running in parallel single phase motors only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of copper tungsten alloy electrolytic copper porcelain aluminium alloy copper tungsten alloy electrolytic copper porcelain aluminium alloy ANSWER DOWNLOAD EXAMIANS APP