Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 40 kV 32 kV 36 kV 45 kV 40 kV 32 kV 36 kV 45 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Water hamming process in pen-stocks results in noise increases, pressure increases, velocity decreases. noise increases. None of these pressure increases. noise increases, pressure increases, velocity decreases. noise increases. None of these pressure increases. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect can be compensated by which of the following both 1 and 2 shunt reactor shunt capacitor series capacitor both 1 and 2 shunt reactor shunt capacitor series capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydroelectric power station is commonly found in grasslands. desert areas. swamps. hilly areas. grasslands. desert areas. swamps. hilly areas. ANSWER DOWNLOAD EXAMIANS APP
Power Systems IF the time of operation of a relay for unity TMS is 10 sec then the time of operation for 0.5 TMS is 20 sec. none of these. 10 sec. 5 sec. 20 sec. none of these. 10 sec. 5 sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the value of line inductance decrease None of these remains unaffected increase decrease None of these remains unaffected increase ANSWER DOWNLOAD EXAMIANS APP
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