Advanced Engineering Chemistry 2022 Question Paper — Government Colle…
The 2022 Advanced 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: Advanced Engineering Chemistry
- Course: Applied Engineering Chemistry
- Year: 2022
- Paper: end-term
- Duration: 180 minutes
- Total marks: 100
Instructions
- Attempt five questions in all, selecting at least two questions from each section.
- All questions carry equal marks.
Questions
SECTION—A
Attempt at least two questions from each section.
- Q1. (a) What are drugs? Explain in detail the types and applications of tranquilizers. (10) (b) Define green chemistry. Discuss in detail the 12 principles of green chemistry. (10) [20 marks]
- Q2. (a) What are nano materials? Give a detailed account on the structure and properties of Graphene. (10) (b) Write short notes on the following: (i) Characteristics of a good fuel. (ii) Equivalent and non equivalent protons. (5, 5) [20 marks]
- Q3. (a) What are explosives? Give a detailed account of preparation and uses of RDX. (12) (b) Explain the different types of electronic transitions in UV spectroscopy. (8) [20 marks]
- Q4. (a) Explain briefly the principle of IR spectroscopy. Give different types of molecular vibrations in IR spectroscopy. (12) (b) What do you mean by chemical shift in NMR spectroscopy? Explain the factors affecting the chemical shift. (8) [20 marks]
SECTION—B
Attempt at least two questions from each section.
- Q5. (a) What is an electrochemical cell? Give the working and applications of a galvanic cell. (10) (b) Differentiate between dry and wet corrosion. Discuss in detail the factors influencing the rate of corrosion. (10) [20 marks]
- Q6. (a) Discuss in detail the properties and importance of semiconductors and insulators. (10) (b) Write short notes on the following: (a) Faraday's second law of electrolysis. (b) Mass transfer by electroplating. (5, 5) [20 marks]
- Q7. (a) What is hardness of water? Explain in detail how it is determined by EDTA method? (10) (b) Write short notes on following: (i) Sludge and Scale. (ii) Priming and Foaming. (5, 5) [20 marks]
- Q8. (a) What are lubricants? Give the detailed classification and uses of the various lubricants. (12) (b) Calculate the total hardness of a sample of water containing the following salts per litre: $ ext{Mg (HCO}_3)_2 = 4.8 ext{ mg, MgCl}_2 = 10.5 ext{ mg, CaSO}_4 = 25.2 ext{ mg.}$ (8) [20 marks]