google-site-verification: google45836b268437a743.html Electrical objective.: Economics of power generation. Part – 2

Economics of power generation. Part – 2


11. High load factor indicates

A. Cost of generation per unit power is increased

B. Total plant capacity is utilized for most of the time

C. Total plant capacity in not properly utilized for most of the time

D. None of the above


12. Load factor of a power station is defined as

A. Maximum demand/average load

B. Average load × maximum demand

C. Average load/maximum demand

D. (average load × maximum demand) 1/2


13. To reduce the power consumption, the capacitor should be located

A. As close as possible to the load

B. As far as possible to the load

C. All of these

D. None of these


14. Two part tariff is charged on what basis?

A. Connected load

B. units consumed

C. maximum demand

D. both (A) and (B)


15. which tariff is most ideal tariff for the consumer?

A. Two part tariff

B. Three part tariff

C. both A and B

D. none of the above


16. At what level is the load shedding carried out?

A. Distribution level

B. Transmission level

C. both A and B

D. depending upon the load


17. Phase advancers are used to improve the power factor of

A. Induction motors

B. Induction generators

C. Synchronous motors

D. Synchronous generators


18. For flat voltage profile system, voltage regulation is

A. 0%

B. 100%

C. 50%

D. 75%


19. The inputs required for an automatic power factor controller using KVAR control

A. current

B. voltage

C. capacitance

D. both (A) and (B)


20. The annual load duration curve of a power system may be considered a straight line from 80 MW to 16 MW. The load factors of the system is

A. 20%

B. 83.33%

C. 40%

D. 60%

No comments:

Post a Comment