A. arc lamps
B. induction motors
C. fluorescent tubes
D. incandescent lamp
Related Mcqs:
- 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 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 - A low utilization factor for a plant indicates that
A. plant is used for stand by purpose only
B. plant is under maintenance
C. plant is used for base load only
D. plant is used for peak load as well as base load - A power transformer is usually rated in____________?
A. kW
B. kVAR
C. kWh
D. kVA - In which’of the following power plants the maintenance cost is usually high?
A. Nuclear power plant
B. Hydro-electric power plants
C. Thermal power plants
D. Diesel engine power plants - 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 - 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. - 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 - 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
