Que1. What are the immediate health effects of exposure to indoor air pollutants? a) Respiratory diseases and cancer b) Irritation of eyes, nose, and throat c) Cardiovascular diseases d) Neurological View Answers
Que2. Asbestosis, a serious progressive, long-term, non-cancer disease of the lungs is associated with the exposure of: a) Particulate matter b) Second-hand smoke c) Asbestos d) Volatile organic compounds (VOCs) View Answers
Que3. What is the primary goal of exposure assessment for indoor air pollutants? a) To enhance building aesthetics b) To identify pollutant sources and quantify risks c) To promote the use of natural ventilation d) To calculate construction costs View Answers
Que4. Which type of sampling relies on the kinetic energy of gas molecules and diffusion of the gases in an enclosed space onto a sorbent medium? a) Active sampling b) Passive sampling c) Stratified sampling d) Cluster sampling View Answers
Que5. Which method is commonly used in Computational Fluid Dynamics (CFD) modelling? a) Finite element method b) Box modelling c) Well-mixed model d) Stratified sampling View Answers
Que6. Which modelling approach assumes spatially uniform pollutant concentrations indoors? a) Box model b) Well-mixed model c) CFD model d) Advection model View Answers
Que7. What is the primary advantage of using HEPA filters for air cleaning? a) They remove both gaseous and particulate pollutants. b) They are cost-effective for large spaces. c) They effectively capture fine and ultrafine particles. d) They eliminate microbial contaminants. View Answers
Que8. Which technology is most effective in reducing microbial contamination in indoor air? a) UVGI systems b) Ionizers c) Activated carbon filters d) Cyclone separators View Answers
Que9. According to the case study “Personal Exposure to Fine Particles: A Case Study,” which method is used to measure personal exposure to PM2.5? a) High-volume air sampling b) Palm-sized optical sensors c) Passive diffusion tubes d) Infrared imaging View Answers
Que10. According to the case study “Personal Exposure to Fine Particles: A Case Study,” which activities had the highest exposure to fine particles? a) Traffic and cooking b) Market c) Workplace d) Classroom View Answers
Air Pollution and Control Week 7 Nptel Quiz Answers (Jan-Apr 2025)
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