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Mechanical Engineering Objective Questions { Power Plant Engineering }



8. Heating of dry steam above saturation temperature is known as
A.Enthalpy
B.Superheating
C.Supersaturation
D.Latent heat

9. Superheating of steam is done at
A.Constant volume
B.Constt.nt temperature
C.Constant pressure
D.Constant entropy

10. 1 kg.m is equal to
A.9.81 Joules
B.421 Joules
C.427 Joules
D.102 Joules

11. Equivalent evaporation is the amount of water evaporated in a boiler from and at
A.0C
B.100C
C.Saturation temperature at given pressure
D.Room temperature

12. The specific volume of steam With increase in pressure decreases
A.Linearly
B.Slowly first and then rapidly
C.Rapidly first and then slowly
D.Inversely

13. The equivalent evaporation of a boiler is a measure to compare
A.The given boiler with the model
B.Any type of boilers operating under any conditions.
C.Two different makes of boilers operating under the same operating conditions
D.Two boilers of same make but operaing under different conditions

14. 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

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