Specific heat of a gas for a reversible adiabatic process is________________?

Related Mcqs:

1. On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal line at point A. Then at a point A, the slope of the reversible adiabatic line (∂P/∂V)s and the slope of the reversible isothermal line (∂P/∂V)T are related as (where, y = Cp/Cv) ?

   A. (∂P/∂V)S = (∂P/∂V)T B. (∂P/∂V)S = [(∂P/∂V)T]Y C. (∂P/∂V)S = y(∂P/∂V)T D. (∂P/∂V)S = 1/y(∂P/∂V)T...

2. Entropy change in case of reversible adiabatic process is________________?

   A. Minimum B. Zero C. Maximum D. Indeterminate...

3. Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is___________________?

   A. 300 × (32/7) B. 300 × (33/5) C. 300 × (333/7) D. 300 × (35/7)...

4. A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively) ?

   A. Δ S1 is always Δ SR C. Δ S1 is always > Δ SR D. Δ S1 is always = Δ SR...

5. The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible _____________ process?

   A. Isobaric B. Isothermal C. Adiabatic D. None of these...

6. What happens in a reversible adiabatic expansion process ?

   A. Heating takes place B. Cooling takes place C. Pressure is constant D. Temperature is constant...

7. Which of the following is not correct for a reversible adiabatic process ?

   A. TVγ-1 = constant B. p1-γ.TY = constant C. PVγ = constant D. None of these...

8. What happens in a reversible adiabatic compression ?

   A. Heating occurs B. Cooling occurs C. Pressure is constant D. Temperature is constant...

9. The adiabatic throttling process of a perfect gas is one of constant enthalpy_________________?

   A. In which there is a temperature drop B. Which is exemplified by a non-steady flow expansion C. Which can be performed in a pipe with a constriction D. In which there is an increase in temperature...

10. 1m3 of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be ?

    A. 35 K B. 174 K C. 274 K D. 154 K...