Related Questions

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
Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the
A Nature of the liquid
B Nature of the gas
C Temperature of the liquid
D Total pressure
A vapor whose partial pressure is less than its equilibrium vapor pressure is called a __________ vapor.
A Saturated
B Supersaturated
C Superheated
D None of these
A vapor whose partial pressure is less than its equilibrium vapor pressure is called the __________ vapor.
A Saturated
B Superheated
C Unsaturated
D Dry gaseous
Percentage saturation is __________ the relative saturation.
A Always smaller than
B Always greater than
C Not related to
D None of these
The relative saturation of an unsaturated mixture of gas and vapor is independent of the
A Nature of the vapor
B Temperature of the mixture
C Composition of the mixture
D None of these
If air (a non-condensing gas) is present in a condensing vapor stream, it will __________ the condensation rate of vapor.
A Increase
B Decrease
C Not affect
D Increase the condensing film co-efficient as well as
The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing and R = Radius of bearing surface)
A $$\frac{1}{2}$$μWR
B $$\frac{2}{3}$$μWR
C $$\frac{3}{4}$$μWR
D μWR
When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be _________ the bearing modulus.
A 10 times
B 5 times
C 15 times
D 20 times
If p = bearing pressure on projected bearing area, Z = absolute viscosity of lubricant and N = speed of journal, then the bearing characteristic number is given by
A $$\frac{{{\text{ZN}}}}{{\text{p}}}$$
B $$\frac{{\text{p}}}{{{\text{ZN}}}}$$
C $$\frac{{\text{Z}}}{{{\text{pN}}}}$$
D $$\frac{{\text{N}}}{{{\text{Zp}}}}$$

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