CHEMICAL PROCESS & OPERATION — Minor 1 2023 question paper

Paper details

• Subject: CHEMICAL PROCESS & OPERATION (BCH-111)
• Branch: Chemical Engineering
• Semester: 1
• Exam: Minor 1 2023
• Questions: 8

Questions asked in CHEMICAL PROCESS & OPERATION Minor 1 2023

1. Q1(a). i) Explain the terms unit process and unit operation with examples of each, highlighting the distinctions between them. Discuss Oxidation and Hydrogenation processes with industrial examples. [5 marks]
2. Q1(b). Define Pyrolysis and Carbonization. Discuss their applications in the conversion of organic materials and their significance in the production of specific products. [3 marks]
3. Q1(c). Discuss the principles of cyclone separators for solid-gas separation. Provide examples of industries where cyclone separator is commonly employed. [3 marks]
4. Q2(a). PartQuestion TextMMCOBLPOPI Codea)What is Hess's law of constant heat summation? Calculate the standard heat of the reaction at $298\text{K}$.$\text{C}_5\text{H}_{12}\text{ (g)} + 8\text{O}_2\text{ (g)} \rightarrow 5\text{CO}_2\text{ (g)} + 6\text{H}_2\text{O (l)}$Component$\text{H}_f$ (kJ/mol)$\text{C}_5\text{H}_{12}\text{ (g)}$-146.26$\text{H}_2\text{O (g)}$-241.818$\text{CO}_2\text{… [4 marks]
5. Q2(b). Compare the principles of distillation and extraction in liquid-liquid separation processes. When would each method be preferred in industrial applications? [3 marks]
6. Q2(c). c)$100\text{ kg}$ of feed containing $50\%\text{ wt}$ of solute C is contacted with $80\text{ kg}$ of solvent containing $0.5\%\text{ wt}$ of C in a mixture settler unit. From this operation, the resultant extract and raffinate phases contain $40\%\text{ wt}$ and $20\%\text{ wt}$ of C respectively. If E and R denote the mass of extract and raffinate, then calculate E/R ratio.31,33,51,2,41.6.1,… [3 marks]
7. QQ1. Attempt any Two parts of the following. Q. 1(a) is compulsory
8. QQ2. Attempt any Two parts of the following. Q. 2(a) is compulsory.