Hereby i have listed ME6502 Heat amd Mass Transfer 5 units important 2 marks questions each unit consist of 12questions,hence 60questions only.If you study that mentioned questions you must score more than 16 marks out of 20 marks.
This post is given for III Mechanical Engineering Students whom
are pursuing 5th semester and it covers the repeated important
Part A questions asked from the Anna University, Chennnai.
ANNA UNIVERSITY CHENNAI
REGULATION 2013
ME6502-Heat and Mass Transfer
UNIT-1 CONDUCTION
PART-A Questions (2 marks)
1. State
Fourier's law of heat conduction.
2.
3. Define fin
efficiency and fin effectiveness?
4.
5. What is lumped heat analysis? When is it used?
6. What do you understand by critical radius of insulation and give it's expression.
7. State the applications of fins and give it's types.
8.
9.
10.
11. Define Biot number. And give it's significance.
12. What are Heisler charts?
UNIT- 2 CONVECTION
PART-A Questions (2 marks)
1. What are the dimensionless parameters used in forced convection?
2. Define convection and write it's types.
3. What is meant by natural and forced convection?
4.
5. Define boundary layer thickness.
6. Indicate the concepts or significance of boundary
layer.
7.
8. Draw the velocity and temperature profiles for free
convection on a hot vertical plate.
9. Define Prandtl number and Grashoff number with its
significance.
10. Define Reynolds number and Nusselt number with its
significance.
11. Differentiate laminar and turbulent flow.
12.
UNIT- 3 PHASE CHANGE HEAT TRANSFER AND HEAT EXCHANGERS
PART-A Questions (2 marks)
1.Define boiling and condesnsation.
2.Give the applications of boiling and condensation.
3.What is meant by nucleate and pool boiling?
4.Write short notes of the modes of condenstion.
5.Draw different regions of boiling.
6.List out the types of heat exchangers.
7.What is meant by compact heat exchanger?
8.Define NTU approach and state it's use.
9.What is meant by LMTD with it's exxpression.
10.What is meant by effectiveness?
11.What is meant by fouling factor?
12.Sketch the temperature variations in parallel and counter flow heta exchangers.
Click: Unit II Convection 2 Marks with Answers
Click:Unit III Phase change Heat Transfer and Heat exchangers 2 Marks with Answers
Click: Unit IV Radiation 2 Marks with Answers
Click: Unit V Mass Transfer 2 Marks with AnswersClick:Unit III Phase change Heat Transfer and Heat exchangers 2 Marks with Answers
Click: Unit IV Radiation 2 Marks with Answers
UNIT- 4 RADIATION
PART-A Questions (2 marks)
1.Define emissive power.
2.What is meant by absorptivity,reflectivity,transmissivity?
3.what is blackbody and grey body?
4.State planck's distribution law.
5.State Wien's displacement law.
6.State Stefan Boltzmann law.
7.Define emissivity and intensity of radiation.
8.What is meant by shape factor and mention its significance.
9.State Kirchoff's law of radiation.
10.Differentiate radiosity and irradiation.
11.What is the use of radiation shield and state its assumptions to calculate radiation exchange betweeen the surfaces?
12.Discuss the radiation charecteristics of carbon dioxide and water vapour.
Click: Unit II Convection 2 Marks with Answers
Click:Unit III Phase change Heat Transfer and Heat exchangers 2 Marks with Answers
Click: Unit IV Radiation 2 Marks with Answers
Click: Unit V Mass Transfer 2 Marks with AnswersClick:Unit III Phase change Heat Transfer and Heat exchangers 2 Marks with Answers
Click: Unit IV Radiation 2 Marks with Answers
UNIT- 5 MASS TRANSFER
PART-A Questions (2 marks)
1.What is mass transfer and give any two examples.
2.What is molecular diffusion.
3.Define convective masss transfer.
4.State Fick's law of diffusion.
5.What is free convective mass transfer.
6.What is forced convective mass transfer
7.Write any two examples of convective mass transfer.
8.What is Schmidt number.
9.What are the dimensionless parameter used in convective mass transfer.
10.State Scherwood number.
11.Define the terms(i)Mass density (ii) Molar density
12.Define the terms(i)Mass fraction (ii) Molar fraction
For all Mechanical Engineering subjects study materials were uploaded for the benefits of students to get more marks in university examinations.
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