1. In an ideal gas, internal energy depends only on:
A) Pressure
B) Temperature
C) Volume
D)

2. Reynolds number is used to determine:
A) Heat transfer coefficient
B) Type of chemical reaction
C) Nature of fluid flow
D) Vapor pressure

3. Fick’s First Law is related to:
A) Heat conduction
B) Mass diffusion
C) Fluid flow
D)

4. The unit of thermal conductivity is:
A) W/m·K
B) W/m²·K
C) J/kg·K
D) N/m²

5. In a first-order reaction, the unit of rate constant is:
A) mol/L·s
B) s⁻¹
C) L/mol·s
D) mol/s

6. Which equipment is used for gas absorption?
A)
B) Packed tower
C) Heat exchanger
D)

7. Bernoulli’s equation is applicable to:
A)
B) Incompressible, frictionless flow
C) Unsteady flow
D) Turbulent flow only

8. The effectiveness of a heat exchanger depends on:
A) Flow arrangement
B) Material density
C)
D)

9. Raoult’s Law is applicable to:
A) Ideal solutions
B) Real gases only
C) Solids
D) Electrolytes only

10. The dimension of viscosity is:
A) ML⁻¹T⁻¹
B) ML⁻²T⁻¹
C) MLT⁻¹
D) ML²T⁻²