In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible ______________ process?

Related Mcqs:

1. In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible ______________ process?

   A. Isobaric
   B. Isothermal
   C. Isentropic
   D. Isometric

2. In the equation, PVn = constant, if the value of n = 1, then it represents a reversible _____________ process?

   A. Isothermal
   B. Isobaric
   C. Polytropic
   D. Adiabatic

3. In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible ____________ process?

   A. Isometric
   B. Polytropic
   C. Isentropic
   D. Isobaric

4. In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible _____________ process?

   A. Adiabatic
   B. Isometric
   C. Isentropic
   D. Isothermal

5. 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

6. In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1 = 1 m3 and v23 m3) is maximum, when the value of ‘n’ is_________________?

   A. 0
   B. 1
   C. y = 1.44
   D. 1.66

7. In polytropic process (PVn = constant), if n = 1; it means a/an ______________ process?

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

8. 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

9. 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

10. In case of steady flow compression polytropic process (PVn = constant), the work done on air is the lowest, when_______________?

    A. n = y = 1.4
    B. n = 0
    C. n = 1
    D. n = 1.66