Related Questions

The efficiency of a nuclear power plant in comparison to a conventional thermal power plant is
A Same
B More
C Less
D May be less or mote depending on size
The electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the
A Fuel cost per unit power generated is less
B Thermal efficiency of the former is higher
C Maintenance cost of the former is less
D None of these
The overall efficiency of thermal power plant is
A Boiler efficiency, turbine efficiency, generator efficiency
B All the three above plus gas cycle efficiency
C Carnot cycle efficiency
D Regenerative cycle efficiency
The overall efficiency of thermal power plant is equal to
A Rankine cycle efficiency
B Carnot cycle efficiency
C Regenerative cycle efficiency
D Boiler efficiency x turbine efficiency x generator efficiency
In a power plant if the maximum demand on the plant is equal to the plant capacity, then
A Plant reserve capacity will be zero
B Diversity factor will be unity
C Load factor will be unity
D Load factor will be nearly 60%
In a thermal power plant, coal from the coal handling plant is moved to the boiler bunker through a
A Belt conveyor
B Bucket conveyor
C Fork lift truck
D Overhead crane
A single phase transformer has a maximum efficiency of 90% at full load and unity power factor. Efficiency at half load at the same power factor is -
A 87.8%
B 86.7%
C 88.26%
D 88.9%
The coal requirement per kW hour generation in the thermal power plant is of the order of
A 0.1 to 0.2 kg
B 0.2 to 0.4 kg
C 0.6 to 0.8 kg
D 1.0 to 1.5 kg
There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would
A Remain same
B Decrease
C Increase
D None of the above
The ratio of indicated thermal efficiency to the corresponding air standard cycle efficiency is called
A Net efficiency
B Efficiency ratio
C Relative efficiency
D Overall efficiency

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