For an incompressible fluid, the _______________ is a function of both pressure as well as temperature?

Related Mcqs:

1. The internal energy of an incompressible fluid depends upon its_________________?

   A. Pressure
   B. Temperature
   C. Both A. & B
   D. Neither A. nor B

2. The vapour pressure of water is given by, in Psat = A – (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K. The vapor pressure of water in atm. at 50°C is approximately__________________?

   A. 0.07
   B. 0.09
   C. 0.11
   D. 0.13

3. Gibbs free energy of a pure fluid approaches _____________ as the pressure tends to zero at constant temperature?

   A. Infinity
   B. Minus infinity
   C. Zero
   D. None of these

4. The partial molar enthalpy of a component in an ideal binary gas mixture of composition Z, at a temperature T and pressure P, is a function only of________________?

   A. T
   B. T and P
   C. T, P and Z
   D. T and Z

5. 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

6. Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at constant pressure and temperature ____________ as its mole fraction increases?

   A. Decreases
   B. Decreases exponentially
   C. Increases
   D. Remain constant

7. A liquid under pressure greater than its vapour pressure for the temperature involved is called a _____________ liquid?

   A. Sub-cooled
   B. Saturated
   C. Non-solidifiable
   D. None of these

8. For multi-component multiple phases to be in equilibrium at the same pressure and temperature, the _______________ of each component must be same in all phases?

   A. Chemical potential
   B. Fugacity
   C. Both A. and B
   D. Neither A. nor B

9. A gas can be liquefied by pressure alone only, when its temperature is _____________ its critical temperature?

   A. Less than
   B. More than
   C. Equal to or higher than
   D. Less than or equal to

10. Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ______________ with the increase of reduced temperature?

    A. Decreases
    B. Increases
    C. Remains constant
    D. Decreases logarithmically