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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
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9. Superheating of steam is done at
A.Constant volume
B.Constt.nt temperature
C.Constant pressure
D.Constant entropy
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10. 1 kg.m is equal to
A.9.81 Joules
B.421 Joules
C.427 Joules
D.102 Joules
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11. Equivalent evaporation is the amount of water evaporated in a boiler from and at
A.0°C
B.100°C
C.Saturation temperature at given pressure
D.Room temperature
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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
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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
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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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