Environmental Engineering In Ce - Study Mode

[#146] Dose of chlorine for disinfection of water is about __________ mg/litre of water.
Correct Answer

(D) 1

[#147] Which of the following plants does not emit appreciable amount of SO 2 in atmosphere?
Correct Answer

(C) Nitric acid plant

[#148] Presence of iron and manganese in water causes
Correct Answer

(B) Discoloration of bathroom fixtures

[#149] What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillary, dairy and meat packing industries?
Correct Answer

(B) Natural organic products

[#150] Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (> 50 ppm)
Correct Answer

(B) Causes asphyxia