Power Systems A Pelton wheel turbine having a rated speed of 300 rpm is connected to an alternator to produce power at 50 Hz. The number of poles required in the alternator is 20 4 8 10 20 4 8 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bundled conductors in EHV transmission lines decrease inducatance decrease capacitance increase capacitance increase inductance decrease inducatance decrease capacitance increase capacitance increase inductance 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? 10 21 13 20 10 21 13 20 ANSWER DOWNLOAD EXAMIANS APP
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? 32 kV 40 kV 36 kV 45 kV 32 kV 40 kV 36 kV 45 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following generating plants has the minimum operating cost Steam plant. Hydroelectric plant. Nuclear plant. Diesel plant. Steam plant. Hydroelectric plant. Nuclear plant. Diesel plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power plants the size of coal after crushing 300 mm. 200 - 205 mm. 20 - 25 mm. 40 mm. 300 mm. 200 - 205 mm. 20 - 25 mm. 40 mm. ANSWER DOWNLOAD EXAMIANS APP
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