Switch Gear The rating of a circuit breaker is generally determined on the basis of single line to ground fault current symmetrical fault current line to line fault current double line to ground fault current single line to ground fault current symmetrical fault current line to line fault current double line to ground fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in vaccum circuit breaker oil circuit breaker sf6 circuit breaker air-blast circuit breaker vaccum circuit breaker oil circuit breaker sf6 circuit breaker air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of either of the above power frequencies None of these higher frequencies entering generator or transformer units either of the above power frequencies None of these higher frequencies entering generator or transformer units ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon the spring tension armature core air gap All of these the rate of flux built up the spring tension armature core air gap All of these the rate of flux built up 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
Switch Gear Which of the following CB's is generally used in railways applications ? low oil circuit breaker bulk oil circuit breaker sf 6 circuit breaker air break circuit breaker low oil circuit breaker bulk oil circuit breaker sf 6 circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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