Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Water. Air. Liquid. Hydrogen. Water. Air. Liquid. Hydrogen. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 36° 45° 90° 42° 36° 45° 90° 42° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 20 21 13 10 20 21 13 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission line is Independent of its length. Directly proportional to square root of its length. Inversely proportional to square root of its length. Directly proportional to its length. Independent of its length. Directly proportional to square root of its length. Inversely proportional to square root of its length. Directly proportional to its length. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? shunt capacitor both 1 and 2 series capacitor shunt reactor shunt capacitor both 1 and 2 series capacitor shunt reactor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of shunt compensation is/are smooth voltage regulation is possible by controlling excitation All of these single unit can be used as both capacitance and inductor by adjusting the excitation It requires less maintanance smooth voltage regulation is possible by controlling excitation All of these single unit can be used as both capacitance and inductor by adjusting the excitation It requires less maintanance ANSWER DOWNLOAD EXAMIANS APP
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