# MRW 002 Solved Assignment 2022-23

MRW 002 Solved Assignment 2022-23

HEAT TRANSFER

Course Code : MRW 002

Last Date of Submission : May 15, 2022

Weightage : 30%

Maximum Marks : 100

Note : All questions are compulsory and carry equal marks. This assignment is based on all Blocks of Computer Aided Process Planning.

Q.1 Describe the mechanism of heat transfer through conduction. Also discuss the Fourier’s law of heat conduction.

Q.2 (a) The heat flow rate through a wood board with a 5cm thickness is 500 W/m2 . Temperature difference along the direction of flow of heat between the faces of the wood board is 55 0 C. Calculate the thermal conductivity of wood.

(b) Air at 30 0 C flows over a hot plate (50 c x 75 cm) maintained at 200 0 C with the help of an electric heater. The convection co-efficient is 20 W/m2 . Calculate the heat transfer.

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Q.3 Derive the expressions for i) rate of heat transfer through a thin cylinder ii) temperature distribution along the radial direction of cylinder.

Q.4 Discuss, in detail flow over a flat plate.

Q.5 Explain in detail the properties of absorptivity, reflectivity and transmissivity

Q.6 State and derive the expression for

Q.7 Derive the general expression for view factor.

Q.8 12 (twelve) number of fins each having thermal conductivity k=75 W/mK and 0.75 mm thickness protrude 25 mm from a cylindrical surface of 50 mm diameter and 1 m length placed in an atmosphere of 40 0C. If the cylindrical surface is maintained at 150 0 C and the heat transfer coefficient is h=23 W/m2 . K, calculate a) rate of heat transfer b) percentage increase in heat transfer due to fins

Q.9 Define Reynolds number and give the difference between free and forced convection. Also explain viscosity and its unit in SI system.

Q.10 Derive the expression for critical thickness of insulation for a cylinder or a tube.

MRW 002 Solved Assignment 2022-23: FREE IGNOU Assignment You can Get All students of university who needs to submit assignments should download old assignments of the respective course of 2022 available above and submit at the concerned study center. The last dates will be 30th April and 30th October of every year until their registration is valid. New assignments will not be available any more for students as course was revised.

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MRW 002 Heat Transfer Solved Assignment 2022-23 : Those students who had successfully submitted their Assignments to their allocated study centres can now check their Assignment Status. Alongside assignment status, they will also checkout their assignment marks & result. MRW 002 Solved Assignment 2022-23 All this is often available in a web mode. After submitting the assignment, you'll check you IGNOU Assignment Status only after 3-4 weeks. it'd take 40 days to declare.

Those students who had successfully submitted their Assignments to their allocated study centres can now check their Assignment Status. Along with assignment status, they can also checkout their assignment marks & result. All this is available in an online mode. After submitting the assignment, you can check you IGNOU Assignment Status only after 3-4 weeks. It might take 40 days to declare.

Here the students can check their IGNOU Assignment Status, marks, result or both the sessions i.e; June & December. MRW 002 Solved Assignment 2022-23 Once the TEE assignments have been submitted to the Centres, it is send to the evaluation department. After which the evaluation of IGNOU Assignment Solutions takes place.

MRW 002 Solved Assignment 2022-23 Once the TEE assignments are submitted to the Centres, it's send to the evaluation department. After which the evaluation of IGNOU Assignment Solutions takes place.

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