Power Systems Mho relay is used for protection of none of these. long lines. short lines. medium lines. none of these. long lines. short lines. medium lines. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An alternator having an induced emf of 1.6 pu is connected to an infinite bus of 1 pu. If the bus bar has reactance of 0.6 pu and alternator has reactance of 0.2 pu, what is the maximum power that can be transferred? 2.67 pu 5 pu 2 pu 6 pu 2.67 pu 5 pu 2 pu 6 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 1.47 msec 2.63 msec 9.68 4.68 msec 1.47 msec 2.63 msec 9.68 4.68 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? Both 1 and 2 High ratio of puncture strength to flash over. Low ratio of puncture strength to flash over. High relative permittivity Both 1 and 2 High ratio of puncture strength to flash over. Low ratio of puncture strength to flash over. High relative permittivity ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reheat cycle in thermal power plant is used to improve condenser performance. utilize heat of flue gases. reduce loss of heat. increase thermal efficiency. improve condenser performance. utilize heat of flue gases. reduce loss of heat. increase thermal efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Radio interference occur in telecommunication line due to electro static induction nether 1 nor 2 both 1 and 2 electro magnetic induction electro static induction nether 1 nor 2 both 1 and 2 electro magnetic induction ANSWER DOWNLOAD EXAMIANS APP