Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 60 kA 35 kA 80 kA 20 kA 60 kA 35 kA 80 kA 20 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rating of a circuit breaker is generally determined on the basis of line to line fault current symmetrical fault current double line to ground fault current single line to ground fault current line to line fault current symmetrical fault current double line to ground fault current single line to ground fault current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under after dc component has ceased sub-transient state of short circuit current transient state of short circuit current steady state of short circuit current after dc component has ceased sub-transient state of short circuit current transient state of short circuit current steady state of short circuit current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 3.125 A 25 A 12.5 A 6.25 A 3.125 A 25 A 12.5 A 6.25 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have economy and simplicity All of these good selectivity and reliability high speed and selectivity economy and simplicity All of these good selectivity and reliability high speed and selectivity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have high conductivity low melting point low cost All of these high conductivity low melting point low cost All of these ANSWER DOWNLOAD EXAMIANS APP
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