The fact that current density is higher at the surface when compared to centre is known as All of these carona skin effect proximity effect TRUE ANSWER : ? YOUR ANSWER : ?
Making and breaking currents of 3 phase AC circuit breakers in power system are respectively in what form? any of the above RMS and RMS value RMS and Instantaneous value Instantaneous and RMS value TRUE ANSWER : ? YOUR ANSWER : ?
A network containing 50 buses in which 10 are the voltage control buses, 6 are the generator buses. Find the size of the Jacobian matrix? 34*34 83*83 84*84 33*33 TRUE ANSWER : ? YOUR ANSWER : ?
How much KWh energy is produced by fission of 1 gm of uranium U235 24000 kWh. 240 kWh. 24 kWh. 2400 kWh. TRUE ANSWER : ? YOUR ANSWER : ?
The only place where slip ring induction motors used in thermal power plants is conveyors. none of above. coal handling plant. lubrication oil pumps. TRUE ANSWER : ? YOUR ANSWER : ?
Incremental cost of two generators Ic1 = 0.2 P1+60, Ic2 = 0.3 P2+40 and the ratings of the generator are 150 and 250 MW. Find the load sharing of each generator for a load of 200 MW? P1 = 60 MW, P2 = 140 MW P1 = 120 MW, P2 = 80 MW P1 = 100 MW, P2 = 100 MW P1 = 80 MW, P2 = 120 MW TRUE ANSWER : ? YOUR ANSWER : ?
For large plants of capacity for more than 15 MW, what type of cooling is used Air. Water. Liquid. Hydrogen. TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if both 2 and 3 are satisfied always if the shunt admittances at the buses are ignored if the mutual couplings between transmission lines are absent TRUE ANSWER : ? YOUR ANSWER : ?
A power station has a maximum demand of 15000 kW. The annual load factor is 50% and plant capacity factor is 40%. What is the reserve capacity of the plant? 6000 kW 3000 kW 7500 kW 3750 kW TRUE ANSWER : ? YOUR ANSWER : ?
When a pumped storage power plant is operated in conjunction with a steam power plant All of these load factor of the steam plant is increased chances of the tripping of the system decrease the operating cost of the steam plant become optimum TRUE ANSWER : ? YOUR ANSWER : ?