Economics of power generation

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

kW
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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