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Environment and Ecology — Minor 1 2022 question paper

MMMUT Computer Science and Engineering previous year question paper for Environment and Ecology (BSM-144), semester 1, Minor 1 2022. All 8 questions are listed below, each with a written answer on Nexsus.

Paper details

  • Subject: Environment and Ecology (BSM-144)
  • Branch: Computer Science and Engineering
  • Semester: 1
  • Exam: Minor 1 2022
  • Questions: 8

Questions asked in Environment and Ecology Minor 1 2022

  1. Q1. Attempt any Two parts of the following. Q. 1 (a) is compulsory.
  2. Q1(a). Draw with labelled diagram of Layers of Atmosphere. Define air pollution. Explain sources and effect on Human (air born diseases), plants and Building. [6 marks]
  3. Q1(b). Determine the effective height (H) of a stack with the following given data. Physical stack height (h)=170 m tall with 0.95 dia.(inside), wind velocity=2.75m/s and air temp. =20°C, Barometric - Atm. pressure =1000 millibars, stack gas velocity = 11.12 m/s, stack gas temperature =160°C. [4 marks]
  4. Q1(c). Explain with labeled diagram on any two parts of following. (i) Green House Effect (ii) Acid Rain (iii) Ozone layer depletion. [4 marks]
  5. Q2. Attempt any Two parts of the following. Q. 2 (a) is compulsory.
  6. Q2(a). Define Water Pollution, Write details of sources, effect (water born diseases) and Purification of water, sedimentation, Filtration, and Disinfection (Water Treatment). [6 marks]
  7. Q2(b). Write down all parameters of drinking Water Quality Standards (IS: 10500-2012). [4 marks]
  8. Q2(c). The sewage of a town is to be discharge in to river stream, the quantity of sewage produced per day is 8 million litres (MLD) and its BOD is 200 mg/L. It discharge in the river is 250 I/s and if its BOD is 5mg/L find out the BOD of the diluted water (c). In the above question what should be the river discharge (Qn)? if it is desired to reduce the BOD of diluted water is 20 mg/L. [4 marks]