Power Systems For n bus power system size of Y bus matrix is (n-1)×(n-1) (n-1)×(n-2) (n-2)×(n-2) n×n (n-1)×(n-1) (n-1)×(n-2) (n-2)×(n-2) n×n ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Corona is reduced by decreasing the supply frequency All of these increasing the distance between the conductor increasing the radius of the conductor decreasing the supply frequency All of these increasing the distance between the conductor increasing the radius of the conductor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton turbine is a ----------- turbine axial flow any of the above inward radial flow impulsive axial flow any of the above inward radial flow impulsive ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is leading. zero. unity. lagging. leading. zero. unity. lagging. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Keeping in view the cost and overall effectiveness, the following circuit breaker is best suited for capacitor bank switching? Vacuum CB. Oil CB. Air blast CB. SF6 CB. Vacuum CB. Oil CB. Air blast CB. SF6 CB. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of low steam turbine mechanical efficiency low alternator efficiency high energy loss in condenser high energy loss in boilers low steam turbine mechanical efficiency low alternator efficiency high energy loss in condenser high energy loss in boilers ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS