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 - I
- Year: 2014
- 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
- Q1. (a) What are the basic requirements of a good explosive? Explain manufacture and applications of dynamites. (b) Calculate the oxygen balance of the following explosives: (i) Ammonium nitrate (ii) TNT (iii) RDX (iv) PETN [20 marks]
- Q2. (a) Discuss briefly the various types of electronic transitions which occur in UV region. (b) Discuss in detail the applications of UV spectroscopy. [20 marks]
- Q3. (a) Give an outline sketch of a double beam infrared spectrophotometer and briefly discuss the mechanism of recording IR spectra. (b) Discuss the principle and applications of infrared spectroscopy in organic chemistry. [20 marks]
- Q4. (a) Explain clearly: (i) Chemical shift (ii) Equivalent and non-equivalent protons. (b) Indicate which of the following compounds would or would not show the splitting of NMR signals. (i) $C_6H_5CH_3$ (ii) $CH_3CH_2CH_2CH_3$ (iii) $HCOOCH_2CH_3$ [20 marks]
Section - B
- Q5. (a) State the necessary conditions for a compound to show optical isomerism. Illustrate your answer with suitable examples. (b) Explain briefly: (i) Asymmetric synthesis (ii) Resolution of a racemic mixture [20 marks]
- Q6. (a) Describe briefly the methods used for the manufacture of alloys. (b) State different varieties of brasses. Give their composition, engineering, properties and applications. [20 marks]
- Q7. (a) What are the different synthetic lubricants used? How are they superior over petroleum lubricants? (b) Explain: (i) Oiliness (ii) Flash and fire points (iii) Cloud and pour points. [20 marks]
- Q8. (a) Give a brief classification of dyes on the basis of structure. (b) Write the structure and action of the following drugs: (i) Aspirin (ii) Paracetamol (iii) Amphetamine (iv) Chloramphenicol. [20 marks]