Power Systems In thermal plant most of the energy is wasted in ESP condenser turbines boiler ESP condenser turbines boiler ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has the following characteristics, L = 0.201 µH/m and C = 196.2 pF/m. The velocity of wave propagation through cable is 32 m/s 0.0312 m/s 159.24 m/µs 159.24 m/s 32 m/s 0.0312 m/s 159.24 m/µs 159.24 m/s ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 34.64 kV/phase 82.15 kV/phase 17.32 kV/phase 41.075 kV/phase 34.64 kV/phase 82.15 kV/phase 17.32 kV/phase 41.075 kV/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems Radio interference occur in telecommunication line due to electro static induction both 1 and 2 nether 1 nor 2 electro magnetic induction electro static induction both 1 and 2 nether 1 nor 2 electro magnetic induction ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.8, 0.8 and 0.8 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 0.6 pu 0.6, 0.6 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 4 pu 2 pu 0.2 pu 0.5 pu 4 pu 2 pu 0.2 pu 0.5 pu ANSWER DOWNLOAD EXAMIANS APP