Gujarat Technological University Chemical Engg.Materials,June-2009 model question papers



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Posted Date: 07 Jul 2009      Posted By:: stefi bhavsar    Member Level: Silver  Points: 5 (₹ 1)

2009 Gujarat Technological University Diploma Hospital Management Chemical Engg.Materials,June-2009 Question paper



Course: Diploma Hospital Management   University/board: Gujarat Technological University





Seat No.: _____ Enrolment No.______
GUJARAT TECHNOLOGICAL UNIVERSITY
Diploma Sem-II examination June 2009
Subject code: 320012
Subject Name: Chemical Engg.Materials
Date: 29 / 06 /2009 Time: 10:30am-1:00pm
Instructions: Total Marks: 70
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a) Define the terms: [06]
1. Melting Point 2.Boiling Point 3. Thermal Insulation
4. Sp. Heat 5. Stress 6. Strain
(b) What is Material Science? [02]
(c) What is Corrosion? [02]
(d) List out various types of Glasses. [02]
(e) Give general principles for selection of material. [02]

Q.2 (a) Explain electrochemical corrosion or Galvanic corrosion with
example. [07]
(b) What is polymerization? Differentiate Addition and Condensation
Polymerization. [07]
OR
(b) Write general comparison of Ferrous metals and alloys with example. [07]

Q.3 (a) Explain Blast Furnace with neat sketch. [07]
(b) Explain various factor affecting rate of corrosion. [07]

OR

Q.3 (a) Write down general properties of Cast iron, Alluminium and Copper. [07]
(b) Write down General Properties and Classification of Refractories. [07]

Q.4 (a) What is Glass? Describe manufacturing of Glass. [07]
(b) Classify paint with their ingredients, properties and importance. [07]

OR

Q. 4 (a) What is Varnishes? Classify Varnishes with their ingredients. [07]
(b) Write down importance and Classification of Lubricants with their
method of applying. [07]

Q.5 (a) Write short note on Synthetic Lubricants [07]
(b) What is Rubber? Classify Rubber With their Sources. [07]

OR

Q.5 (a) Write short note on Industrial Adhesive. [07]
(b) What is Plastic? Differentiate Thermosetting and Thermoplastic. [07]





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