Applied Engineering Chemistry 2014 Question Paper — Government Colleg…
The 2014 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
- Year: 2014
- Paper: end-term
- Duration: 180 minutes
- Total marks: 100
Instructions
- Attempt any five questions, selecting at least two from each section.
Questions
SECTION - A
- Q1. (a) Distinguish between the following two isomers of the molecular formula, $\text{C}_3\text{H}_6\text{O}$, 6 (i) $\text{CH}_3\text{CH}_2\text{CHO}$ (ii) $\text{CH}_3\text{COCH}_3$ (b) Discuss all types of stretching and bending vibrations. 7 (c) Describe some characteristic absorption bands with their region for the following functional groups, (i) Aldehydes (ii) Esters (iii) Anhydrides (iv) Amides (v) Ketones (vi) Ethers (vii) Alcohol 7 [20 marks]
- Q2. (a) Explain intensities and line width of spectra. 7 (b) What are different types of electronic transition. Explain with suitable example of molecule. 7 (c) Explain the effect of polarity of solvent on each type of transitions. 6 [20 marks]
- Q3. Write preparation and uses of following explosives, (i) Dynamite (ii) Gun powder (iii) Dinitrobenzene (iv) Tetracene ($5\times4=20$) [20 marks]
- Q4. (a) What is meant by Chemical shift and describe the factors which influence it. 10 (b) Write a short note on the use of solvent in the NMR spectrometry. 10 [20 marks]
SECTION - B
- Q5. (a) Define alloy. What are the purpose of making alloy? 10 (b) Discuss the method for the manufacture of binary alloy. 10 [20 marks]
- Q6. (a) What are greases? Name any four greases indicating their composition and uses. 10 (b) Explain the mechanism of hydrodynamics, and extreme-pressure lubrication. 10 [20 marks]
- Q7. (a) Discuss the classification of Dyes and give the application of any four dye. 10 (b) Define drug and give the preparation and uses of any four drug. 10 [20 marks]
- Q8. (a) Discuss stereoisomerism of an organic compound containing one asymmetric carbon atom. 7 (b) What are the racemic and mesotartaric acids? Which of them can be separated into optically active enantiomers. 6 (c) What is specific rotation of an optically active compound? How would you determine it by a polarimeter? 7 [20 marks]