Economics of power generation

31. Load factor of a power station is defined as

$$ rac{{{ ext{Maximum demand}}}}{{{ ext{Average load}}}}$$
$${ ext{Average load}} imes { ext{Maximum demand}}$$
$$ rac{{{ ext{Average load}}}}{{{ ext{Maximum demand}}}}$$
$${left( {{ ext{Average load}} imes { ext{Maximum demand}}} ight)^{ rac{1}{2}}}$$

Detailed SolutionLoad factor of a power station is defined as

32. A power transformer is usually rated in

kW
kVAR
kWh
kVA

Detailed SolutionA power transformer is usually rated in

33. The effect of electric shock on human body depends on which of the following

current
voltage
duration of contact
all of the above

Detailed SolutionThe effect of electric shock on human body depends on which of the following

34. Different generating stations use following prime movers

Diesel engine
Hydraulic turbine
Gas turbine
Any of the above

Detailed SolutionDifferent generating stations use following prime movers

35. A consumer has to pay lesser fixed charges in

flat rate tariff
two part tariff
maximum demand tariff
any of the above

Detailed SolutionA consumer has to pay lesser fixed charges in

36. Salvage value of the plant is always

positive
negative
zero
any of the above

Detailed SolutionSalvage value of the plant is always

37. Annual operating expenditure of a power plant consists of

fixed charges
semi-fixed charges
running charges
all of the above

Detailed SolutionAnnual operating expenditure of a power plant consists of

38. A load curve indicates

average power used during the period
average kWh (kW) energy consumption during the period
either of the above
none of the above

Detailed SolutionA load curve indicates

39. Following power plant has instant starting

nuclear power plant
hydro power plant
diesel power plant
both (B) and (C) E. none of the above

Detailed SolutionFollowing power plant has instant starting

40. The connected load of a IVMIM uir consumer is around

5 kW
40 kV
80 kW
120 kW

Detailed SolutionThe connected load of a IVMIM uir consumer is around

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