Adiabatic Process — Practice Quiz

Question 1

Adiabatic compression of monatomic gas (γ = 5/3) from V to V/2. T_f/T_i:

Accepted Answer

2^(2/3) ≈ 1.59

Answer

√2 ≈ 1.41

Answer

2

Answer

4

Question 2

In an adiabatic process for an ideal gas, Q is:

Accepted Answer

Zero

Answer

Maximum

Answer

Equal to W

Answer

Equal to ΔU

Question 3

Adiabatic curve on PV diagram is:

Accepted Answer

Steeper than isothermal

Answer

Same as isothermal

Answer

Shallower

Answer

Horizontal

Question 4

Sudden compression of air in a hand pump: gas heats up because:

Accepted Answer

Adiabatic compression (no time for heat to escape)

Answer

Friction

Answer

Pressure too high

Answer

Chemical reaction

Question 5

Adiabatic expansion of an ideal gas: temperature:

Accepted Answer

Decreases (gas does work, loses internal energy)

Answer

Increases

Answer

Stays the same

Answer

Reverses