Download GTU BE/B.Tech 2019 Summer 8th Sem New 2180507 Transport Phenomena Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 8th Sem New 2180507 Transport Phenomena Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VIII(NEW) EXAMINATION ? SUMMER 2019
Subject Code:2180507 Date:09/05/2019

Subject Name:Transport Phenomena

Time:10:30 AM TO 01:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.


Q.1 (a) Discuss Classification of transport processes. 03
(b) Discuss the importance of studying transport phenomena. 04
(c) State and explain Newton?s Law of viscosity and discuss how it
is analogous with Fourier?s Law of heat conduction and Fick?s
Law of binary diffusion.












07
Q.2 (a) Discuss about the conservation laws 03
(b) Discuss about shell momentum balance and boundary conditions
in general.
04
(c) Derive velocity distribution for a flow of a falling film. 07
OR
(c) Discuss Navier-Stokes equation in Cylindrical co-ordinate. 07
Q.3 (a) Give brief introduction about equimolar counter diffusion. 03
(b) Derive the equation of continuity. 04
(c) Derive flux equation of diffusion of A through non-diffusing B. 07
OR
Q.3 (a) Explain Fick?s law of binary diffusion. 07
(b) Find the temperature distribution for heat conduction due to the
viscous heat dissipation for flow of an incompressible Newtonian
fluid between two concentric cylinders.
07
Q.4 (a) Discuss Fourier?s Law of heat conduction in brief. 03
(b) A copper wire has a radius of 2 mm and a length of 5 m. For what
voltage drop what the temperature rise at the wire axis be 10
o
C,
if the surface temperature of wire is 20
o
C?
04
(c) Discuss heat conduction with chemical heat source. 07
OR
Q.4 (a) Discuss about temperature and pressure dependency of thermal
conductivity.
03
(b) Discuss in brief about heat conduction in a cooling fin 04
(c) Discuss heat conduction with electrical heat source. 07
Q.5 (a) Define mass and molar average velocities. 03
(b) Explain in brief about theory of diffusion of polymer 04
(c) Discuss about diffusion through a stagnant gas film. 07
OR

Q.5 (a) Define mass and molar concentrations. 03
(b) Discuss the significance of momentum, thermal and mass
diffusivities.
04
(c) Define concentrations, velocities and mass fluxes with reference
to mass transport.
07
*************
FirstRanker.com - FirstRanker's Choice