Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 2 pu 0.2 pu 0.5 pu 4 pu 2 pu 0.2 pu 0.5 pu 4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 45° 60° 35° 30° 45° 60° 35° 30° 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? 40 kV 32 kV 36 kV 45 kV 40 kV 32 kV 36 kV 45 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fuse wire of circular cross-section has a radius of 0.8 mm. The wire blows off at an current of 8 Amp. Calculate the radius of wire that will blow off at an current of 1 amp? 0.2 mm. 0.4 mm. 4 mm. 2 mm. 0.2 mm. 0.4 mm. 4 mm. 2 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In hydro power stations what is an enlarged body of water just above the intake and used as a regulating reservoir called Fore bay. Penstock. Spillways. Reservoir. Fore bay. Penstock. Spillways. Reservoir. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is Kaplan. Francis. Impeller. Pelton. Kaplan. Francis. Impeller. Pelton. ANSWER DOWNLOAD EXAMIANS APP
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