CIVIL ENGG Competitive Exam Preparation
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1400. In the Noise Pollution (Regulation and Control) Rules, 2000, ‘night time’ means the period between Anonymous voting
- (A) 10.00 pm and 6.00 am
- (B) 8.00 pm and 6.00 am
- (C) 12.00 am and 6.00 am
- (D) 12.00 am and 8.00 am
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1399. The daily cover of a Municipal Solid Waste landfill consists of which one of the following? Anonymous voting
- (A) Compacted Soil
- (B) Fly ash
- (C) Compost
- (D) Geo-membrane
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1398. Central Pollution Control Board evolved Comprehensive Environmental Pollution Index (CEPI) for monitoring Anonymous voting
- (A) commercial areas
- (B) industrial areas
- (C) ecologically sensitive zones
- (D) educational areas
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1397. Under the National Air Quality Monitoring Programme (NAMP), which of the following pollutants are identified for regular monitoring at all the locations?
(i) PM2.5 (ii) NOx
(iii) O3 (iv) CO Anonymous voting
- (A) Only (i)
- (B) (i) and (ii)
- (C) (i), (ii) and (iii)
- (D) (i), (ii), (iii) and (iv)
1396. Which of the following compounds has the least solubility in water at room temperature? Anonymous voting
- (A) CaCl2
- (B) Ca(OH)2
- (C) CaCO3
- (D) Ca(HCO3)2
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1395. For which of these elements, there is some relaxation in the permissible limits in drinking water
quality in the absence of an alternate source?
(i) Sulphate (ii) Nitrate (iii) Sulphide Anonymous voting
- (A) Only (i)
- (B) (i) and (ii)
- (C) (ii) and (iii)
- (D) (i), (ii) and (iii)
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1394. For which of these elements, the permissible concentration in drinking water is less than 1.0 mg / lit?
(i) Copper (ii) Selenium (iii) Iron (iv) Zinc Anonymous voting
- (A) (i) and (ii)
- (B) (ii) and (iii)
- (C) (i), (ii) and (iii)
- (D) (i), (ii), (iii) and (iv)
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1393. What is the role of gravel in a slow sand filter?
(i) It supports the sand
(ii) It distributes the wash water Anonymous voting
- (A) Only (i)
- (B) Only (ii)
- (C) Both (i) and (ii)
- (D) Neither (i) nor (ii)
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1393. What is the role of gravel in a slow sand filter?
(i) It supports the sand
(ii) It distributes the wash water Anonymous voting
- (A) Only (i)
- (B) Only (ii)
- (C) Both (i) and (ii)
- (D) Neither (i) nor (ii)
1392. Alum when added to raw water reacts with bicarbonate alkalinities so as to form a gelatinous precipitate of Anonymous voting
- (A) Aluminium hydroxide
- (B) Aluminium sulphate
- (C) Calcium sulphate
- (D) Magnesium sulphate
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