Economics of power generation Archives

31. High load factor indicates

cost of generation per unit power is increased

total plant capacity is utilised for most of the time

total plant capacity is not properly utilised for most of the time

Detailed SolutionHigh load factor indicates

32. The efficiency of a plant is of least concern when it is selected as

peak load plant

casual run plant

either (A) or (B)

base load plant

Detailed SolutionThe efficiency of

a plant is of least concern when it is selected as

33. 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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34. Static capacitors are rated in terms of

kWh

kVAR

none of the above

Detailed

Solution

35. During load shedding

system power factor is changed

some loads are switched off

system voltage is reduced

Detailed SolutionDuring load shedding

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

Fuel cost

Interest on capital

Insurance charges

Depreciation

Detailed SolutionWith reference to a power

station which of the following is not a fixed cost?

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

Load shedding

Power factor improvement at the , generators

Penalising high load consumers by increasing the charges for electricity

Efficient plant operation

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38. 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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39. Annual instalment towards depreciation reduces as rate of interest increases with

sinking fund depreciation

straight line depreciation

reducing balances depreciation

none of the above

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40. In Hopknison demand rate or two parttariff the demand rate or fixed charges are

dependent upon the energy consumed

dependent upon the maximum demand of the consumer

both (A) and (B)

neither (A) nor (B)

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rate or

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