Name of the Organisation : Karnataka Examinations Authority
Name of the Exam : Post Graduate Common Entrance Test
Subject : Polymer Science and Technology
Year : 2014
Document Type : Question Paper
Website : https://cetonline.karnataka.gov.in/kea/indexnew
Download Model Question Paper :
Polymer Science 2010 : https://www.pdfquestion.in/uploads/13520-Polymer2010.pdf
Polymer Science 2011 : https://www.pdfquestion.in/uploads/13520-Polymer2011.pdf
Polymer Science 2013 : https://www.pdfquestion.in/uploads/13520-Polymer2013.pdf
Polymer Science 2014 : https://www.pdfquestion.in/uploads/13520-Polymer2014.pdf
M.Tech CET Polymer Science & Technology Question Paper :
Time: 2 Hours
Max. Marks: 100
Read the following instructions before answering the test :
** Write / Darken the particulars of your identity, Test Seat Number and afix your signature on the OMR Response Sheet before the start of the ” test.
Related : Karnataka Examinations Authority PG Common Entrance Test Mathematics & Computer Question Paper : www.pdfquestion.in/13512.html
** All Questions have multiple choices of answers, of which only one is ‘correct. ‘
** Mark the correct answer by completely darkening only one oval against the Question number using Black Ink Ball Point pen only.
** There will be no negative evaluation with regard to wrong answers.
** Marks will not be awarded if multiple answers are given.
** Do not make any stray mark on the OMR Response sheet.
** For rough work, use blank page on the question paper.
** Taking the question paper out of the test hall is permitted only after then full duration of the test.
** Use of only non-programmable calculator is permitted.
** Start Answering Only At The Specified Time When The Invigilator Gives Instructions.
Marks Distribution :
50 Questions : 50 x l = 50 Marks
25 Questions : 25 X 2 = 50 Marks
Total = 100 Marks
PART — I :
Each question carries one mark 50 x l = 50 marks :
1. Newton’s law of viscosity relates
(a) Intensity of pressure and rate of angular deformation
(b) Shear stress and rate of angular deformation
(c) Shear stress, viscosity and rate of angular deformation
(d) Viscosity and rate of angular deformation
2. Flow at constant rate through a tapering pipe is
(i) Steady flow
(ii) Uniform flow
(iii) Unsteady flow
(iv) Non- uniform flow
The correct answer is;
(a) (i) and (ii’)
(b) (i) and (iv)
(c) (ii) and (iii)
(d) (ii) and (iv)
3. In laminar flow, maximum velocity at the centre of pipe is how many times to the average velocity?
(a) Two
(b) Three
(c) Four
((1) None of them
4. Reynolds number for non-circular cross section is,where, V= mean velocity, v = kinematic viscosity and P= ratio of cross section area to the wetted perimeter
(a) V. 4P/v
(b) V.P/v
(c) V.2P/4v
(d) V.P/4v
5. When the relationship between Reynolds number and the friction factor is represented by a straight line, the ?ow is said to be,
(a) Isentropic
(b) Laminar
(c) Turbulent
(d) Vertex
6. Equation of continuity is based on the principle of conservation of
(a) Mass
(b) Energy
(c) Momentum
(d) None of the above
7. Average molecular weight of air is about
(a) 15
(b) 59
(c) 29
(d) 23
8. Number of gram equivalent weight of a solute dissolved in 1 kg of solvent is referred as,
(a) Molarity
(b) Normality
(c) Formality
(d) Molality
9. The ground nut seeds containing 45% oil and 45% solids are fed to expeller, the cake coming out of expeller is found to contain 80% solid and 5% oil. Find the percentage recovery of oil.
(a) 90.57
(b) 95.90
(c) 93.75
(d) 87.90
10. Moles per unit volume can be expressed
(a) lb mol of solute/ ft3
(b) g mol of solute/1t
(c) g mol of solute/cm3
(d) All the above
11. A wet paper pulp is found to contain 71% water. After drying it is found that 60% of the original water has been removed. Calculate the mass of water removed per kilogram of wet pulp,
(a) 0.326 kg
(b) 0.426 kg
(c) 0.526 kg
(d) 0.626 kg
12. In a test 20 lb of C3Hg is burned with 400 lb of air to produce 44 lb of C02 and 12 lb of CO,what was the percent excess air?
(a) 32 %
(b) 20 %
(c) 28 %
(d) 35 %
13. In a open system, there is
(a) No exchange in energy and mass of the system,
(b) Exchange of mass and energy with the surroundings
(c) Exchange of mass with the surroundings
(d) Exchange of energy with the surrounding not the mass
14. The value of gas constant, R is ……….. .. J/K. mole
(a) 8.314
(b) 2.000
(c) 6.778
(d) 0.187
15. The effect of pressure on entropy is appreciable in
(a) Crystals
(b) Solids
(c) Liquids
(d) Gases