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Month: November 2018

Which lightening stroke is most dangerous?

August 11, 2021November 30, 2018 by admin
Which lightening stroke is most dangerous?

A. Direct stroke on line conductor
B. Indirect stroke on conductor
C. Direct stroke on tower top
D. Direct stroke on ground wire

Categories Economics of Power Generation

Which of the following is the disadvantage of static capacitor for power factor improvement?

August 11, 2021November 30, 2018 by admin
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

Categories Economics of Power Generation

The efficiency of a plant is of least concern when it is selected as___________?

August 11, 2021November 30, 2018 by admin
The efficiency of a plant is of least concern when it is selected as___________?

A. peak load plant
B. casual run plant
C. either A. or (b)
D. base load plant

Categories Economics of Power Generation

The primary reason for low power factor is supply system is due to installation of____________?

August 11, 2021November 30, 2018 by admin
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

Categories Economics of Power Generation

In a load curve the highest point represents______________?

August 11, 2021November 30, 2018 by admin
In a load curve the highest point represents______________?

A. peak demand
B. average demand
C. diversified demand
D. none of the above

Categories Economics of Power Generation

Most efficient plants are normally used as____________?

August 11, 2021November 30, 2018 by admin
Most efficient plants are normally used as____________?

A. peak load plants
B. base load plants
C. either A. or (b)
D. none of the above

Categories Economics of Power Generation

A power transformer is usually rated in____________?

August 11, 2021November 30, 2018 by admin
A power transformer is usually rated in____________?

A. kW
B. kVAR
C. kWh
D. kVA

Categories Economics of Power Generation

Generators for peak load plants are usually designed for maximum efficiency at____________?

August 11, 2021November 30, 2018 by admin
Generators for peak load plants are usually designed for maximum efficiency at____________?

A. 25 to 50 percent full load
B. 50 to 75 percent full load
C. full load
D. 25 percent overload

Categories Economics of Power Generation

For a power plant which of the following constitutes running cost?

August 11, 2021November 30, 2018 by admin
For a power plant which of the following constitutes running cost?

A. Cost of wages
B. Cost of fuel
C. Cost of lubricants
D. All of the above

Categories Economics of Power Generation

Static capacitors are rated in terms of_____________?

August 11, 2021November 30, 2018 by admin
Static capacitors are rated in terms of_____________?

A. kW
B. kWh
C. kVAR
D. none of the above

Categories Economics of Power Generation
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