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Chemical Process Calculation — Minor 1 2026 question paper

MMMUT Chemical Engineering previous year question paper for Chemical Process Calculation (BCH-203), semester 3, Minor 1 2026. All 8 questions are listed below, each with a written answer on Nexsus.

Paper details

  • Subject: Chemical Process Calculation (BCH-203)
  • Branch: Chemical Engineering
  • Semester: 3
  • Exam: Minor 1 2026
  • Questions: 8

Questions asked in Chemical Process Calculation Minor 1 2026

  1. Q1(a). If 15 grams of iron react thus: Fe + H2SO4 = FeSO4 + H2, how many liters of hydrogen are liberated at normal conditions? [6 marks]
  2. Q1(b). By electrolyzing a mixed brine a mixture of gases is obtained at the cathode having the following composition by weight: Cl2-67%, Br2-28%, O2-5%. Using the ideal gas law, calculate: (i) The composition of the gas by volume. [4 marks]
  3. Q1(c). From Q 1(b) calculate density of the mixture in grams per liter at 25°C and 740 mm of Hg pressure, [4 marks]
  4. Q2(a). A furnace is to be designed to burn coke at the rate of 200 lb per hour. The coke has the following composition: Carbon-89.1 %, Ash-10.9 %. The grate efficiency of the furnace is such that 90% of the carbon present in the coke charged is burned. Air is supplied in 30% excess of that required for the complete combustion of all the carbon charged. It may be assumed that 97% of the carbon burned is… [6 marks]
  5. Q2(b). From Q 2(a), mass composition of solid leaving the furnace. [4 marks]
  6. Q2(c). From Q 2(a) If the flue gases leave the furnace at a temperature of 550 °F and a pressure of 743 mm Hg, calculate the rate of flow of gases, in cubic feet per minute, for which the stack must be designed. [4 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.