Power Systems What type of back up protection is used for alternators? Impedance relay. Buchholz relay. Mho relay. IDMT relay. Impedance relay. Buchholz relay. Mho relay. IDMT relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments? 25 to 35 kV 31.35 to 34.65 kV 33 to 50 kV any voltage above 33 kV 25 to 35 kV 31.35 to 34.65 kV 33 to 50 kV any voltage above 33 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The steam power plant efficiency can be improved by decreasing the load on the plant. burning large amount of coal. using large quantity of water. using high temperature and high pressure steam. decreasing the load on the plant. burning large amount of coal. using large quantity of water. using high temperature and high pressure steam. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ? X" < X' < X X" < X' > X X" > X' < X X" > X' >X X" < X' < X X" < X' > X X" > X' < X X" > X' >X ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power transfer in a transmission line can be obtained by reducing reactance None of these either 1 or 2 increasing voltage level reducing reactance None of these either 1 or 2 increasing voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 90° 42° 36° 45° 90° 42° 36° 45° ANSWER DOWNLOAD EXAMIANS APP
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