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Heat Transfer (Chemical Perspective) – Multiple Choice Questions (MCQs)

1. What is the primary mode of heat transfer in solids?
- A. Conduction
- B. Convection
- C. Radiation
- D. Evaporation
2. What is the primary mode of heat transfer in fluids (liquids and gases) with fluid motion?
- A. Conduction
- B. Convection
- C. Radiation
- D. Sublimation
3. What is the mode of heat transfer that does not require a medium?
- A. Conduction
- B. Convection
- C. Radiation
- D. All of the above
4. Which law describes the rate of heat transfer by conduction?
- A. Newton's Law of Cooling
- B. Fourier's Law of Heat Conduction
- C. Stefan-Boltzmann Law
- D. Fick's Law of Diffusion
5. In Fourier's Law, what does 'k' represent?
- A. Heat transfer coefficient
- B. Thermal conductivity
- C. Specific heat capacity
- D. Heat flux
6. What is the unit of thermal conductivity (k) in SI units?
- A. W/(m·K)
- B. J/(kg·K)
- C. W/(m²·K)
- D. W/m²
7. What does a high thermal conductivity indicate?
- A. Good insulator
- B. Poor heat conductor
- C. Good heat conductor
- D. High specific heat
8. Which law describes the rate of heat transfer by convection?
- A. Newton's Law of Cooling
- B. Fourier's Law of Heat Conduction
- C. Stefan-Boltzmann Law
- D. Fick's Law of Diffusion
9. In Newton's Law of Cooling, what does 'h' represent?
- A. Thermal conductivity
- B. Heat transfer coefficient
- C. Specific heat capacity
- D. Heat flux
10. What is the unit of heat transfer coefficient (h) in SI units?
- A. W/(m·K)
- B. J/(kg·K)
- C. W/(m²·K)
- D. W/m²
11. Which law describes the rate of heat transfer by radiation?
- A. Newton's Law of Cooling
- B. Fourier's Law of Heat Conduction
- C. Stefan-Boltzmann Law
- D. Fick's Law of Diffusion
12. What is the Stefan-Boltzmann constant (σ)?
- A. A value related to heat capacity
- B. A fundamental constant in radiation heat transfer
- C. A measure of thermal conductivity
- D. A constant in fluid flow equations

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Heat Transfer (Chemical Perspective) – Multiple Choice Questions (MCQs)

1. What is the primary mode of heat transfer in solids?

2. What is the primary mode of heat transfer in fluids (liquids and gases) with fluid motion?

3. What is the mode of heat transfer that does not require a medium?

4. Which law describes the rate of heat transfer by conduction?

5. In Fourier's Law, what does 'k' represent?

6. What is the unit of thermal conductivity (k) in SI units?

7. What does a high thermal conductivity indicate?

8. Which law describes the rate of heat transfer by convection?

9. In Newton's Law of Cooling, what does 'h' represent?

10. What is the unit of heat transfer coefficient (h) in SI units?

11. Which law describes the rate of heat transfer by radiation?

12. What is the Stefan-Boltzmann constant (σ)?

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