Consider a long, two wire line composed of solid round conductors. The radius of both conductors is 0.25 cm and distance between their centers is 100 cm. If this distance is doubled, then the inductance per unit length. Doubled. Decrease but does not halves. Increase but does not doubled. Halves. TRUE ANSWER : ? YOUR ANSWER : ?
Nuclear power plant are used as base load plants. peak load plants. none of above. intermediate load plants. TRUE ANSWER : ? YOUR ANSWER : ?
A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 16. 12. 24. 6. TRUE ANSWER : ? YOUR ANSWER : ?
In case of failure of prime mover of the generator, which type of relay is used? reverse power relay distance relays impedance relay offset mho relay 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? 7500 kW 3000 kW 6000 kW 3750 kW TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is/are advantages of N-R method? both 1 and 2 Time taken for each iteration is less Applicable for large power system network Number of iterations are less TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following statement is/are true?Zn The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit both 1 and 2 The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit nether 1 nor 2 TRUE ANSWER : ? YOUR ANSWER : ?
With reference to hydrometer station, the graphical representation of the discharge as function of time is known as Hectograph. Monograph. Load duration curve. Hydro-graph. TRUE ANSWER : ? YOUR ANSWER : ?
Tarapur nuclear power plant has which type of reactor? None of these. CANDU type reactors. Boiling water type. Pressurized water reactors. TRUE ANSWER : ? YOUR ANSWER : ?
In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is 3.000 pu. 0.200 pu. 0.125 pu. 0.075 pu. TRUE ANSWER : ? YOUR ANSWER : ?