Economics of Power Generation

101. Which of the following should be used for extinguishing electrical fires?

1. Water
2. Carbon tetrachloride fire extinguisher
3. Foam type fire extinguisher
4. CO2 fire extinguisher

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102. Which of the following, in a thermal power plant, is not a fixed cost?

1. Fuel cost
2. Interest on capital
3. Depreciation
4. Insurance charges

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103. Which plant can never have 100 percent load factor?

1. Peak load plant
2. Base load plant
3. Nuclear power plant
4. Hydro electric plant

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

1. Fuel cost
2. Interest on capital
3. Insurance charges
4. Depreciation

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105. Approximate estimation of power demand can be made by

1. load survey method
2. statistical methods
3. mathematical method
4. economic parameters
5. any of the above

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106. Different generating stations use following prime movers

1. diesel engine
2. hydraulic turbine
3. gas turbine
4. steam turbine
5. All of the above

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