Switch Gear The fault that imposes severest duty on the circuit breaker is two lines to ground fault line to line fault all three lines short-circuited line to ground fault two lines to ground fault line to line fault all three lines short-circuited line to ground fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is used in liquid fuses ? transformer oil sulphur hexafluoride carbon tetrachloride distilled water transformer oil sulphur hexafluoride carbon tetrachloride distilled water ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called peak voltage supply voltage recovery voltage restriking voltage peak voltage supply voltage recovery voltage restriking voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under transient state of short circuit current steady state of short circuit current sub-transient state of short circuit current after dc component has ceased transient state of short circuit current steady state of short circuit current sub-transient state of short circuit current after dc component has ceased ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rating of a circuit breaker is generally determined on the basis of single line to ground fault current symmetrical fault current double line to ground fault current line to line fault current single line to ground fault current symmetrical fault current double line to ground fault current line to line fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of two phase motors only single phase motors only three phase motors two single phase motors running in parallel two phase motors only single phase motors only three phase motors two single phase motors running in parallel ANSWER DOWNLOAD EXAMIANS APP
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