Ambient Air – Punjab Environmental Quality Standards MCQs 10 min Score: 0 Attempted: 0/10 Subscribe 1. What is the maximum allowable annual average concentration of Sulfur Dioxide (SOā) in ambient air according to Punjab Environmental Quality Standards? (A) 50 Āµg/mĀ³ (B) 120 Āµg/mĀ³ (C) 100 Āµg/mĀ³ (D) 80 Āµg/mĀ³Show All Answers 2. Which method is used to measure annual average Sulfur Dioxide (SOā)? (A) Gas Chromatography (B) Ultraviolet Fluorescence (C) Infrared Absorption (D) Ī²-Ray AbsorptionShow All Answers 3. The 24-hour concentration limit for Oxides of Nitrogen (NO) is: (A) 20 Āµg/mĀ³ (B) 30 Āµg/mĀ³ (C) 40 Āµg/mĀ³ (D) 50 Āµg/mĀ³Show All Answers 4. Which pollutant has a 1-hour limit of 130 Āµg/mĀ³ and is measured using Non-dispersive UV absorption? (A) SOā (B) CO (C) PMāā (D) Ozone (Oā)Show All Answers 5. What is the annual average concentration of Suspended Particulate Matter (SPM)? (A) 250 Āµg/mĀ³ (B) 300 Āµg/mĀ³ (C) 360 Āµg/mĀ³ (D) 400 Āµg/mĀ³Show All Answers 6. Which method is recommended for measuring Respirable Particulate Matter (PMāā)? (A) Gravimetric (B) Ī²-Ray Absorption (C) UV Fluorescence (D) Gas ChromatographyShow All Answers 7. The 24-hour concentration limit for PMā.ā is: (A) 35 Āµg/mĀ³ (B) 25 Āµg/mĀ³ (C) 50 Āµg/mĀ³ (D) 75 Āµg/mĀ³Show All Answers 8. Which method is used to determine Lead (Pb) concentration in ambient air? (A) Non-dispersive Infrared (B) Ī²-Ray Absorption (C) ASS Method using EPM 2000 or equivalent filter paper (D) Ultraviolet FluorescenceShow All Answers 9. The 1-hour limit for Carbon Monoxide (CO) concentration is: (A) 5 mg/mĀ³ (B) 8 mg/mĀ³ (C) 12 mg/mĀ³ (D) 10 mg/mĀ³Show All Answers 10. According to Punjab Environmental Standards, the annual arithmetic mean for measurement of pollutants is based on at least: (A) 52 measurements per year (B) 104 measurements per year (C) 156 measurements per year (D) 208 measurements per yearShow All Answers
