Sound waves propagation in air exemplifies an ______________ process?
A. Adiabatic
B. Isothermal
C. Isometric
D. None of these
Which of the following is an undesirable characteristic of a refrigerant ?
A. It should be non-explosive
B. It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils
C. Its vapor pressure at the condenser temperature should be very high
D. None of these
Work done may be calculated by the expression ∫ p dA for _____________ processes ?
A. Non-flow reversible
B. Adiabatic
C. Both A. and B
D. Neither A. nor B
In the reaction; N2 + O2 ⇌ 2NO, increasing the pressure will result in_________________?
A. Shifting the equilibrium towards right
B. Shifting the equilibrium towards left
C. No change in equilibrium condition
D. None of these
A. Increases
B. Decreases
C. Remains unchanged
D. May increase or decrease; depends on the gas