A. rated r.p.m.
B. no load
C. 20 percent load
D. near full load
Related Mcqs:
- For high value of diversity factor, a power station of given installed capacity will be in a position to supply?
A. less number of consumers
B. more number of consumers
C. neither A. nor B.
D. either A. or B. - High load factor indicates
A. average power used during the period
B. average kWh (kW) energy consumption during the period
C. either of the above
D. none of the above - The primary reason for low power factor is supply system is due to installation of____________?
A. induction motors
B. synchronous motors
C. single phase motors
D. d.c. motors - Which of the following is the disadvantage of static capacitor for power factor improvement?
A. Easily damaged by high voltage
B. Cannot be repaired
C. Short service life
D. All of the above - Which of the following is the disadvantage due to low power factor?
A. Poor voltage regulation
B. Increased transmission losses
C. High cost of equipment for a given load
D. All of the above - Which of the following is an advantage of static capacitor for power factor improvement?
A. Little maintenance cost
B. Ease in installation
C. Low losses
D. All of the above - Power plant having maximum demand more than the installed rated capacity will have utilization factor?
A. equal to unity
B. less than unity
C. more than unity
D. none of the above - By the use of which of the following power factor can be improved?
A. Phase advancers
B. Synchronous compensators
C. Static capacitors
D. Any of the above - In a distribution system, in order to improve power factor, the synchronous capacitors are installed__________?
A. at the receiving end
B. at the sending end
C. either A. or (b)
D. none of the above - For a consumer the most economical power factor is generally____________?
A. 0.5 lagging
B. 0.5 leading
C. 0.95 lagging
D. 0.95 leading
