Power Systems What is the approximate efficiency of a normal thermal power station? 30-40% 45-55% 60-70% 20-25% 30-40% 45-55% 60-70% 20-25% 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? 0.4 mm. 0.2 mm. 2 mm. 4 mm. 0.4 mm. 0.2 mm. 2 mm. 4 mm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems One atomic mass unit is equivalent to 251.2 MeV. 931.4 MeV. 180.5 MeV. 120.4 MeV. 251.2 MeV. 931.4 MeV. 180.5 MeV. 120.4 MeV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 4.65 Ω / phase. 2.26 Ω / phase. 8.06 Ω / phase. 6.06 Ω / phase. 4.65 Ω / phase. 2.26 Ω / phase. 8.06 Ω / phase. 6.06 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sodium graphite reactors use sodium as moderator and graphite as coolant. a mixture of sodium and graphite as moderator. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as coolant. sodium as moderator and graphite as coolant. a mixture of sodium and graphite as moderator. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as coolant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as proximity effect skin effect carona All of these proximity effect skin effect carona All of these ANSWER DOWNLOAD EXAMIANS APP