43. The evaporation of 15.653 kg of water per hour from and at 100°C is called
A.Evaporative capacity
B.Factor of evaporation
C.Equivalent evaporation
D.One boiler h.p.

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44. The increase in pressure
A.Lowers the boiling point of a liquid
B.Raises the boiling point of a liquid
C.Sloes not affect the boiling point of a liquid
D.Reduces its volume

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45. During polytropic process
A.Heat transfer takes place across cylinder walls
B.Work is done
C.Steam may tle Wet dry or, superheated after expansion
D.All of the above

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46. Hygror, netery deals with the
A.Hygroscopic substances
B.Water vapour in aii
C.Temperature of air
D.Pressure of air

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47. Orsat meter is used for
A.Gravimetric analysis of the flue gases
B.Volumetric analysis of the flue gases
C.Mass flow of the flue gases
D.Measuring smoke density of flue gases

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48. Alkaline pyrogallate is used in Orsat's apparaturs for absorption of
A.CO2
B.CO
C.O2
D.N2

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49. An ideal regenerative cycle is
A.Equal to carnot cycle
B.Less than carnot cycle
C.More than carnot cycle
D.Could be anything

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