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 Insulation resistance of high voltage circuit breakers is more than 10 mega ohms 1 mega ohms 100 mega ohms 500 mega ohms 10 mega ohms 1 mega ohms 100 mega ohms 500 mega ohms ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arcing contacts in a circuit breaker are made of copper tungsten alloy porcelain aluminium alloy electrolytic copper copper tungsten alloy porcelain aluminium alloy electrolytic copper ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is all three lines short-circuited two lines to ground fault line to ground fault line to line fault all three lines short-circuited two lines to ground fault line to ground fault line to line fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker low oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A short-circuit is identified by voltage drop voltage rise heavy current flow no current flow voltage drop voltage rise heavy current flow no current flow ANSWER DOWNLOAD EXAMIANS APP
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