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: Advanced Engineering Chemistry
- Branch: Elec/E&C/Computer/I.T. Engg
- 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.
- Each question carries 20 marks.
Questions
Section - A
- Q1. (a) What do you mean by a drug? Discuss in detail the types, structure and applications of tranquilizers. (b) Explain the 12 principles of green chemistry. ( 12, 8 ) [20 marks]
- Q2. (a) What is meant by moulding? Explain with neat diagram the process of injection moulding. ( 10 ) (b) Explain the following: (i) Requisites of a good paint (ii) Give the importance of plastics. ( 5, 5 ) [20 marks]
- Q3. (a) Give the principle of IR spectroscopy. Explain with examples the different kinds of molecular vibrations in IR spectroscopy. (b) What are varnishes? Differentiate between paints and varnishes. ( 12, 8 ) [20 marks]
- Q4. (a) Discuss briefly the principle of UV spectroscopy. Explain different types of electronic transitions in UV region. ( 12 ) (b) Explain the following: (i) Applications of green chemistry (ii) Equivalent and non-equivalent protons in NMR spectroscopy. ( 4, 4 ) [20 marks]
Section - B
- Q5. (a) What is an electrochemical cell? Give the working and applications of a galvanic cell. (b) Discuss in detail the structure and application of fullerenes. ( 12, 8 ) [20 marks]
- Q6. (a) What do you mean by electrolysis? Discuss in detail the Faradays laws of electrolysis. ( 10 ) (b) Explain the following: (i) Differentiate between semiconductors and insulators. (ii) Give the important properties of nano particles. ( 5, 5 ) [20 marks]
- Q7. (a) What is hard water? Explain in detail how the hard water is softened by zeolite process? ( 10 ) (b) Explain the following: (i) Scale and sludge formation (ii) Tyndall effect in colloids ( 5, 5 ) [20 marks]
- Q8. (a) What are colloids? Classify them and explain their properties with reference to Brownian motion and electrophoresis. (b) Calculate the carbonated and non-carbonated hardness of a water sample containing the following dissolved salts (mg/L) Mg (HCO3)2 = 14.6, Ca (HCO3)2 = 81, CaSO4 = 27.2, MgCl2 = 43.5 and NaCl = 60. ( 12, 8 ) [20 marks]