Applied Engineering Chemistry 2018 Question Paper — Government Colleg…
The 2018 Applied Engineering Chemistry previous year question paper (Government College of Engineering and Technology, Jammu), with every question and its marks.
- University: Government College of Engineering and Technology, Jammu
- Subject: Applied Engineering Chemistry
- Course: Engineering Chemistry
- Branch: BE-II/6(A)
- Year: 2018
- Paper: end-term
- Duration: 180 minutes
- Total marks: 100
Instructions
- Attempt five questions in all, selecting at least two questions from each section.
- All question carry equal marks.
Questions
SECTION - A
- Q1. (a) What is recemization? Discuss briefly the various mechanism by which recemization can occur. (10) (b) Explain the following: (i) What happens if one of the -OH group to tartaric acid is replaced by $-NH_2$ group. (ii) Diastereoisomerism (iii) Resolution of recemic Mixture by Biochemical Method (3,3,4) [20 marks]
- Q2. (a) Write short notes on : (i) Antibiotics (ii) Tranquilizers (5,5) (b) What is latex? How are crepe and Gutta Percha rubber isolated from latex? (10) [20 marks]
- Q3. (a) What are the various constituents required for moulding of plastics. Explain their functions giving suitable examples. (12) (b) What is a paint? What are the important characteristics of a good paint. (8) [20 marks]
- Q4. (a) Explain the various types of stretching and bending molecular vibrations in IR spectrum with suitable examples. (12) (b) Explain the applications of NMR spectroscopy. (8) [20 marks]
SECTION - B
- Q5. (a) Describe briefly the various segments of environment. (10) (b) Mention the sources of water pollution. How can we control them? (10) [20 marks]
- Q6. (a) What is air pollution? What are the major sources of air pollution, discuss their effect on the environment. (12) (b) What is photochemical smog? How is it formed in the atmosphere. (8) [20 marks]
- Q7. (a) What are alloys? How are they classified? Give at least two examples each. (12) (b) What is stainless steel? What are the advantages and disadvantages of steel. (8) [20 marks]
- Q8. (a) What is the principle of EDTA method? Describe the estimation of hardness of water by EDTA method. (12) (b) Calculate non-carbonate hardness and total hardness of a water sample containing– $ ext{Mg(HCO}_3)_2 - 7.3 \text{ mg/L}$ $\text{Ca(HCO}_3)_2 - 16.2 \text{ mg/L}$ $\text{MgCl}_2 - 0.5 \text{ mg/L}$ $\text{CaSO}_4 - 13.6 \text{ mg/L}$ (8) [20 marks]