Economics of Power Generation Mcqs

This set of Electrical engineering Multiple Choice Questions & Answers (MCQs) focuses on study of “Economics of Power Generation”. These questions are chosen from a collection of most authoritative and best reference books on Electrical engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Economics of Power Generation Mcqs comprehensively.

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31.
____________is the reserved generating capacity available for service under emergency conditions which is not kept in operation but in working order.

Hot reserve

Cold reserve

Spinning reserve

Firm power

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32.
__________ industry has the least power consumption per ton of product?

Soap

Sugar

Vegetable oil

Caustic soda

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33.
In a power plant if the maximum demand on the plant is equal to the plant capacity, then

Plant reserve capacity will be zero

Diversity factor will be unity

Load factor will be unity

Load factor will be nearly 60%

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34.
For which of the following power plants highly skilled engineers are required for running the plants?

Solar power plants

Gas turbine power plants

Nuclear power plants

Hydro-electric power plants

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35.
Large capacity generators are invariably___________?

Water cooled

Natural air cooled

Forced air cooled

Hydrogen cooled

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36.
Which of the following is the disadvantage due to low power factor?

Poor voltage regulation

Increased transmission losses

High cost of equipment for a given load

All of the above

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37.
A synchronous condenser is virtually which of the following?

Induction motor

Under excited synchronous motor

Over excited synchronous motor

D.C. generator

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38.
A pilot exciter is provided on generators for which of the following reasons?

To excite the poles of main exciter

To provide requisite starting torque to main exciter

To provide requisite starting torque to generator

None of the above

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39.
Which of the following are not repayable after a stipulated period?

Shares

Fixed deposits

Cash certificates

Bonds

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40.
In power plants insurance cover is provided for which of the following?

Unskilled workers only

Skilled workers only

Equipment only

All of the above

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41.
When the demand of consumers is not met by a power plant, it will resort to which of the following?

Efficient plant operation

Power factor improvement at the , generators

Penalising high load consumers by increasing the charges for electricity

Load shedding

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42.
An alternator coupled to a __________ runs at slow speed, as compared to as compared to others.

Diesel engine

Hydraulic turbine

Steam turbine

Gas turbine

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43.
Which of the following is an advantage of static capacitor for power factor improvement?

Little maintenance cost

Ease in installation

Low losses

All of the above

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45.
Which of the following is not an operating cost?

Maintenance cost

Fuel cost

Salaries of high officials

Salaries of operating staff

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