Power Plant Engineering

1. Compounding of steam turbine is done for

1. reducing the work done
2. increasing the rotor speed
3. reducing the rotor speed
4. balancing the turbine

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2. Solar thermal power generation can be achieved by

1. using focusing collector or heliostates
2. using flat plate collectors
3. using a solar pond
4. any of the above system

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3. A steam power station requires space

1. equal to diesel power station
2. more than diesel power station
3. less than diesel power station
4. none of the above

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4. Artificial draught is produced by

1. induced fan
2. forced fan
3. induced and forced fan
4. all of the above

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5. Belt conveyer can be used to transport coal at inclinations upto

1. 30°
2. 60°
3. 80°
4. 90°

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6. Binary'vapour cycles are used to

1. increase the performance of the condenser
2. increase the efficiency of the plant
3. increase efficiency of the turbine
4. all above

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7. Blowing down of boiler water is the process

1. to reduce the boiler pressure
2. to increase the steam temperature
3. to control the solid concentration in the boiler water by removing some of the concentrated saline water
4. none of the above

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8. Bucket elevators are used for

1. carrying coal in horizontal direction
2. carrying coal in vertical direction
3. carrying coal in any direction
4. none

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9. Caking coals are those which

1. burn completely
2. burn freely
3. do not form ash
4. form lumps or masses of coke

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10. Carnot cycle comprises of

1. two isentropic processes and two constant volume processes
2. two isentropic processes and two constant pressure processes
3. two isothermal processes and three constant pressure processes
4. none of the above

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