Power Systems The arc voltage produced in an AC circuit breaker is always lagging the arc current by 90°. leading the arc current by 90°. in phase opposition with the arc current. in phase with the arc current. lagging the arc current by 90°. leading the arc current by 90°. in phase opposition with the arc current. in phase with the arc current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical mass is minimum mass of fissionable material required to sustain chain reaction. maximum mass of fissionable material required to sustain a chain reaction. none of these. a mass of fissionable material required to stop a chain reaction. minimum mass of fissionable material required to sustain chain reaction. maximum mass of fissionable material required to sustain a chain reaction. none of these. a mass of fissionable material required to stop a chain reaction. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs. 20. 5. 3. 7. 20. 5. 3. 7. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reactance relays are used for the protection of All of these long transmission lines only short transmission lines only medium transmission lines only All of these long transmission lines only short transmission lines only medium transmission lines only ANSWER DOWNLOAD EXAMIANS APP
Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 0.22 2000 0.4 5 0.22 2000 0.4 5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of strands of ACSR conductor for 4 layer transmission line? 7 29 1 37 7 29 1 37 ANSWER DOWNLOAD EXAMIANS APP
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