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About Power Systems
Following are some of the multiple choice questions on the Power Systems with answers that will help the students in developing their knowledge.
Power Systems MCQ
1. At what range of speed is the electricity from the wind turbine is generated?
5. Which type of power station deliver full power continuously i.e. 24 hours a day and 365 days a year?
7. Select THREE types of substation normally used in power system. (Multiple Answer)
8. In distribution, power is distribute into consumer with certain level of voltage. State TWO voltage levels at final destination of distribution.
11. One needs to design the distributors, the parameter which will be considered for the design of it?
12. . One would design the feeders of the transmission system based on its ____________
13. Before installing any transmission system, one has to decide about the type of the transmission system to be employed. Considering a monetary shortage and economical setup, one would take up _____________
14. The volume of copper required in a transmission system is proportional to _________
15. Solar cells are made from bulk materials that are cut into wafer of _________ thickness.
16. The amount of photo generated current increases slightly with increase in _________
18. The region where the electrons and holes diffused across the junction is called ________
19. When the source of light is not sun light then the photo voltaic cell is used as ____________
23. Which type of system is generally adopted for the generation and transmission of electrical power?
27. __________ is one of the most important materials is also known as solar grade silicon.
28. The volt is the units of emf that was named after its inventor _________
30. “During the day, the air above the land heats up more quickly than the air over water”.
34. How much is the energy available in the winds over the earth surface is estimated to be?
38. Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively?
39. A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively?
41. The positive, negative and zero sequence impedances of a transmission line are 0.5,0.5 and 1.1 pu respectively. The self (Zs) and mutual (Zm) impedances of the line will be given by
42. If all the sequence voltages at the fault point in a power system are equal, then the fault point is a
43. The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is
45. Out of the following which one is not a unconventional source of energy ?
46. The amount of energy available in the wind at any instant is proportional to ___ of the wind speed.
50. Wind energy is harnessed as ______ energy with the help of windmill or turbine.
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