This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Air Pollution – Sources – 2”. 1. What is the residence time (average time a particle is active in a given system) of carbon monoxide? a) 11-15 years b) 0.1-0.3 years c) 0.5 years d) Few minutes 2. Which of the following … Read more
This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Air Pollution – Sources – 1”. 1. Which of these is NOT a primary pollutant? a) Carbon monoxide b) Carbon dioxide c) Ground level ozone d) Oxygen 2. What percentage of pollutants is gaseous in nature? a) 75% b) 80% c) 99.9% … Read more
This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Air Pollution – Effects – 2”. 1. How does carbon monoxide affect the human body? a) It does not allow binding of oxygen with haemoglobin b) It reduces the surface area of the alveoli and disrupts gaseous transfers c) It causes the … Read more
This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Air Pollution – Effects – 1”. 1. What is the primary standard level for carbon monoxide for assuring air quality? a) 10ppm b) 90ppm c) 1ppm d) 9ppm 2. The pulmonary section of the respiratory tract consists of ___________ a) Nose and … Read more
This set of Environmental Science Multiple Choice Questions & Answers (MCQs) focuses on “Air Pollution – Analysis”. 1. What is the principle behind which opacity monitors/transmissometers work? a) Change in capacitance for various gaseous media, between two stationary plates b) Pressure exerted by a fixed volume of gas enclosed in a container of specific dimension … Read more
This set of Environmental Engineering Question Bank focuses on “Dispersion of Air Pollutants, Contol of Gaseous Pollutants”. 1. When environmental Lapse Rate (ELR) is less is than Adiabatic Lapse Rate (ALR), then which of the following occurs? a) Sub adiabatic lapse rate b) Super adiabatic lapse rate c) Neutral lapse rate d) Adiabatic lapse rate … Read more
This set of Environmental Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Devices to Control Air Pollution”. 1. Which of the following is used in ceramic industries? a) Electrostatic precipitator b) Dynamic precipitator c) Spray tower d) Wet cyclonic scrubber 2. Wet scrubbers are classified into ____ types. a) 2 b) 3 c) 5 … Read more
This set of Environmental Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Types of Plumes”. 1. Coning plume occurs under which conditions? a) Super adiabatic b) Sub adiabatic c) Neutral d) Inversion 2. In which of the following plumes, stable condition prevails? a) Lofting b) Fanning c) Neutral d) Fumigating 3. The upward vertical … Read more
This set of Environmental Engineering online quiz focuses on “Effects of Air Pollution, Design of Stack Height”. 1. Which of the following is not a part of photochemical smog? a) NO2 b) O3 c) PAN d) SPM 2. Which air pollutant cause corrosion of building? a) SO2 b) SO3 c) CO d) NO2 3. Which … Read more
This set of Environmental Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Air Pollutants”. 1. Which gas is mainly produced due to incomplete burning of wood? a) CO b) SO2 c) NO2 d) NO3 2. Which of the following is involved in production of carboxy haemoglobin? a) CO b) SO2 c) NO2 d) NO3 … Read more
