Related Questions

With increase in pressure, the saturation temperature of steam
A Increases rapidly first and then slowly
B Increases slowly first and then rapidly
C First increases and then decreases
D None of these
In a steam engine, superheated steam from the boiler is fed into the steam chest at a pressure of
A 10 atmospheres
B 20 atmospheres
C 30 atmospheres
D 40 atmospheres
When the air temperature increases, the saturation vapour pressure will:
A Increase
B Decrease
C Remain the same
D Vary over an increasingly broad range of values
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
A Equal to
B Less than
C More than
D None of these
Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a __________ vapour.
A Superheated
B Desuperheated
C Non-condensable
D None of these
Percentage saturation of a vapor bearing gas is always __________ the relative saturation.
A Higher than
B Smaller than
C Equal to
D Either A or B; depends on the system
The saturation line is the line up to which banks get saturated after the canal runs for some time. The saturation gradient in ordinary loam soil, is generally
A 2 : 1
B 3 : 1
C 4 : 1
D 5 : 1
In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation.
A Lower than
B Higher than
C Equal to
D Either A or B, depends on the mixture composition
Percentage saturation is __________ the relative saturation.
A Always smaller than
B Always greater than
C Not related to
D None of these
In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure.
A Equal to
B Lower than
C Higher than
D None of these

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