Related Questions

__________ equation applies to diffusivities in liquids.
A Gilliland
B Hirschfelder
C Wilke and Chang
D None of these
At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation.
A Operating
B Total
C Minimum
D Maximum permissible
A can contains a mixture of two liquids A and B is the ratio 7 : 5. When 9 litres of mixture are drawn off and the can is filled with B, the ratio of A and B becomes 7 : 9. How many litres of liquid A was contained by the can initially?
A 10
B 20
C 21
D 25
A can contains a mixture of two liquids A and B in the ratio 7:5. When 9 liters of mixtures are drawn off and the can is filled with B, the ratio of A and B becomes 7:9. How many liters of liquid A was contained by the can initially?
A 10
B 20
C 21
D 25
The Euler's equation for the motion of liquids is based upon the assumption that
A The fluid is non - viscous, homogeneous and incompressible
B The velocity of flow is uniform over the section
C The flow is continuous, steady and along the stream line
D All of the above
Euler's equation in the differential form for the motion of liquids is given by
A $$\frac{{{\text{dp}}}}{\rho } + {\text{gdz}} + {\text{vdv}} = 0$$
B $$\frac{{{\text{dp}}}}{\rho } - {\text{gdz}} + {\text{vdv}} = 0$$
C $$\rho {\text{dp}} + {\text{gdz}} + {\text{vdv}} = 0$$
D $$\rho {\text{dp}} - {\text{gdz}} + {\text{vdv}} = 0$$
Which of the following forced convection heat transfer equation accounts for the liquid viscosity effect for viscous liquids?
A Dittus-Boeltier equation
B Sieder-Tate equation
C Nusselt equation
D None of these
Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the
A Vapor follows the ideal gas law
B Molal latent heat of vaporisation is constant within the limited temperature range
C Volume in the liquid state is negligible compared with that in the vapor state
D All of the above
Small pressure differences in liquids is measured using a/an
A U-tube manometer
B Inclined tube manometer
C Pitot tube
D None of these
If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of mixing is zero.
A Enthalpy
B Volume
C Both A & B
D Neither A nor B

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