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

none of the above

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

Detailed SolutionIs the reserved generating capacity available for service under emergency conditions which is not kept in operation but in working order,

34. Static capacitors are rated in terms of

kWh

kVAR

none of the above

Detailed SolutionStatic capacitors are rated in terms of

35. 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

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

Detailed SolutionWhen the demand of consumers is not met by a power plant, it will resort to which of the following ?

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)

Detailed SolutionFor high value of diversity factor, a power station of given installed capacity will be in a position to supply

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

Detailed SolutionAnnual instalment towards depreciation reduces as rate of interest increases with

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)

Detailed SolutionIn Hopknison demand rate or two parttariff the demand rate or fixed charges are

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