Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of high energy loss in condenser low alternator efficiency high energy loss in boilers low steam turbine mechanical efficiency high energy loss in condenser low alternator efficiency high energy loss in boilers low steam turbine mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed of water turbine is the speed at which the turbine develops unit horse power at unit head. unit horse power at all heads. a minimum horse power. maximum horse power. unit horse power at unit head. unit horse power at all heads. a minimum horse power. maximum horse power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across the bottom most unit is 33.33% of total voltage. Its string efficiency is 33.33% 25% 66.66% 75% 33.33% 25% 66.66% 75% ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum demand of a consumer is 2 kW and corresponding daily energy consumption is 30 units. What is the corresponding load factor? 50.5% 75% 62.5% 25% 50.5% 75% 62.5% 25% ANSWER DOWNLOAD EXAMIANS APP
Power Systems For transmission line which one of the following relation is true? AD + BC = 0 AD - BC = -1 AD - BC = 1 AD - BC = 0 AD + BC = 0 AD - BC = -1 AD - BC = 1 AD - BC = 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10^-6∠90° ℧. Find the shunt reactor required for compensating ferranti effect? 3000 Ω 1500 Ω 500 Ω 2000 Ω 3000 Ω 1500 Ω 500 Ω 2000 Ω ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS