Economics of power generation Archives

41. A low utilization factor for a plant indicates that

plant is used for stand by purpose only

plant is under maintenance

plant is used for base load only

plant is used for peak load as well as base load

Detailed SolutionA low utilization factor for a plant indicates that

42. offers the highest electric load.

Television set

Toaster

Vacuum cleaner

Washing machine

Detailed Solutionoffers the highest electric load.

43. Which of the following equipment provides fluctuating load?

Exhaust fan

Lathe machine

Welding transformer

All of the above

Detailed SolutionWhich of the following equipment provides fluctuating load?

44. Ships are generally powered by

nuclear power plants

hydraulic turbines

diesel engines

steam accumulators E. none of the above

Detailed SolutionShips are generally powered by

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

Closed cycle gas turbine

Open cycle gas turbine

Diesel engine

Petrol engine

Detailed SolutionAir will not be the working substance in which of the following ?

46. Annual depreciation of the plant it proportional to the earning capacity of the plant vide

sinking fund depreciation

straight line depreciation

reducing balances depreciation

none of the above

Detailed SolutionAnnual depreciation of the plant it proportional to the earning capacity of the plant vide

47. In ______ fuel transportation cost is least.

nuclear power plants

diesel generating plants

steam power stations

none of the above

Detailed SolutionIn ______ fuel transportation cost is least.

48. 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

Detailed SolutionAnnual depreciation as per straight line method, is calculated by

49. An over excited synchronous motor on noload is known as

synchronous condenser

generator

induction motor

alternator

Detailed SolutionAn over excited synchronous motor on noload is known as

50. Power plant having maximum demand more than the installed rated capacity will have utilisation factor

equal to unity

less than unity

more than unity

none of the above

Detailed SolutionPower plant having maximum demand more than the installed rated capacity will have utilisation factor

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