Heat Transfer MCQ Questions & Answers | Chemical Engineering

A. Forced convection

B. Natural convection

C. Transient conduction

D. Steady state conduction

A. Increases rapidly with temperature rise

B. Is almost independent of temperature

C. Is almost independent of pressure

D. Both B and C

A. < 1

B. > 1

C. 1

D. ∞

A. LMTD is greater

B. Less surface area is required for a given heat transfer rate

C. Both A and B

D. More surface area is required for a given heat transfer rate

A. Heat transfer from a hot body to cold body by the emission of heat waves is called radiation

B. Filmwise condensation takes place on non-wettable surfaces

C. The boiling point of a solution is affected by liquid head as well as boiling point elevation

D. None of these

A. Laminar

B. Transition

C. Both A & B

D. Highly turbulent

A. 0.5

B. < 0.5

C. > 0.6

D. < 0.1

A. Nature of heating surface and distribution of bubbles

B. Surface tension of water

C. Viscosity of water

D. All of the above

A. 5.6697 × 10^-8 W/m².°K⁴

B. 0.1714 × 10^-8 W/m².°K⁴

C. 5.6697 × 10^-8 kcal/m².°K⁴

D. 0.1714 × 10^-8 kcal/m².°K⁴

A. Medium

B. Temperature

C. Surface

D. None of these