Power Systems Which of the following statements is/are true? In case of parallel transmission lines both 1 and 3 stability increases fault current increases fault current reduces both 1 and 3 stability increases fault current increases fault current reduces ANSWER DOWNLOAD EXAMIANS APP
Power Systems Capacitance voltage transformer ( CVT ) is used to none of these. improve the power factor of the transmission. reduce losses in a transmission line. connect instruments on the LT side. none of these. improve the power factor of the transmission. reduce losses in a transmission line. connect instruments on the LT side. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation Z1 = Z2 = Z0 (Z1 = Z2) > Z0 any of the above (Z1 = Z2) < Z0 Z1 = Z2 = Z0 (Z1 = Z2) > Z0 any of the above (Z1 = Z2) < Z0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.2 pu 0.4 pu 0.5 pu 0.1 pu 0.2 pu 0.4 pu 0.5 pu 0.1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems At slack bus, which one of the following combinations of variables is not specified? P and V Q and V V and δ P and Q P and V Q and V V and δ P and Q ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a nuclear reaction is operating at constant power the multiplication factor is greater than 1. may be any of the above. less than 1. 1. greater than 1. may be any of the above. less than 1. 1. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS