Power Systems In which of the following frequency control method tie line may be overloaded? flat frequency control All of these parallel frequency flat tie line control flat frequency control All of these parallel frequency flat tie line control ANSWER DOWNLOAD EXAMIANS APP
Power Systems The angular moment of 10 MVA generator is 0.2. Find the new value of angular moment for 20 MVA base? 0.25 pu 0.4 pu 0.1 pu 0.2 pu 0.25 pu 0.4 pu 0.1 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The corona loss on a particular system at 50 Hz is 1 kW/km per phase. What is the corona loss at 60 Hz in kW/km per phase? 1 1.13 0.89 1.25 1 1.13 0.89 1.25 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following materials can be used as coolant CO2. Helium. Heavy water. Any of above. CO2. Helium. Heavy water. Any of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 60-70% 30-40% 20-25% 45-55% 60-70% 30-40% 20-25% 45-55% 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? 2 mm. 4 mm. 0.2 mm. 0.4 mm. 2 mm. 4 mm. 0.2 mm. 0.4 mm. ANSWER DOWNLOAD EXAMIANS APP
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