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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46.
In which’of the following power plants the maintenance cost is usually high?

Nuclear power plant

Hydro-electric power plants

Thermal power plants

Diesel engine power plants

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47.
With reference to a power station which of the following is not a fixed cost?

Fuel cost

Interest on capital

Insurance charges

Depreciation

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48.
In _________ fuel transportation cost is least.

Nuclear power plants

Diesel generating plants

Steam power stations

None

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49.
Which of the following, in a thermal power plant, is not a fixed cost?

Fuel cost

Interest on capital

Depreciation

Insurance charges

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50.
Air will not be the working substance in which of the following?

Open cycle gas turbine

Closed cycle gas turbine

Diesel engine

Petrol engine

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51.
During load shedding:

System power factor is changed

Some loads are switched off

System voltage is reduced

System frequency is reduced Efficiency is the secondary consideration in

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52.
Which of the following is not a source of power?

Thermocouple

Photovoltaic cell

Solar cell

Photoelectric cell

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53.
_____________can generate power at unpredictable or uncontrolled times?

Solar power plant

Tidal power plant

Wind power plant

Any of the above

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54.
For high value of diversity factor, a power station of given installed capacity will be in a position to supply?

Less number of consumers

More number of consumers

Neither A. nor B.

Either A. or B.

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55.
Maximum demand on a power plant is_________________?

The greatest of all “short time interval averaged” demand during a period

Instantaneous maximum value of kVA supplied during a period

Both A. or B.

None of the above

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56.
Approximate estimation of power demand can be made by_____________?

Load survey method

Statistical methods

Mathematical method

Economic parameters

All of the above

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57.
Annual depreciation cost is calculated by___________?

Sinking fund method

Straight line method

Both A. and B.

None of the above

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58.
Depreciation charges are high in case of__________?

Thermal plant

Diesel plant

Hydroelectric plant

None of these

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59.
High load factor indicates

Average power used during the period

Average kWh (kW) energy consumption during the period

Either of the above

None of the above

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60.
Annual depreciation as per straight line method, is calculated by__________?

The capital cost divided by number of year of life

The capital cost minus the salvage value, is divided by the number of years of life

Increasing a uniform sum of money per annum at stipulated rate of interest

None of the above

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