Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 75% 25% 66.66% 33.33% 75% 25% 66.66% 33.33% ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 800 MJ stored energy in the rotor at synchronous speed, what is the inertia constant H for a 50 Hz, four pole turbo generator rated 100 MVA, 11 kV? 2 MJ/MVA 6 MJ/MVA 4 MJ/MVA 8 MJ/MVA 2 MJ/MVA 6 MJ/MVA 4 MJ/MVA 8 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Normally Z bus matrix is a null matrix full matrix sparse matrix unit matrix null matrix full matrix sparse matrix unit matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which device is used for protection of equipment from from damage caused by overload or short circuit? CVT lightning arrester current transformer circuit breaker CVT lightning arrester current transformer circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Power Systems Telecommunication lines are transposed to reduce the radio interference in communication lines efficiency voltage level All of these radio interference in communication lines efficiency voltage level All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following matrix is used for load flow studies? Unit matrix null matrix Y bus matrix Z bus matrix Unit matrix null matrix Y bus matrix Z bus matrix ANSWER DOWNLOAD EXAMIANS APP
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