Environmental Engineering in CE Which of the following industries discharge mercury as a pollutant? Tanneries Chloro-alkali industry Beverage plant Phosphoric acid plant Tanneries Chloro-alkali industry Beverage plant Phosphoric acid plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Workers working in __________ industry are most prone to white lung cancer. Asbestos Textile Limestone mining Coal mining Asbestos Textile Limestone mining Coal mining ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The disinfection efficiency of chlorine increases by(i) Decreasing the time of contact(ii) Decreasing the temperature of water(iii) Increasing the temperature of water Only (iii) Only (i) Both (i) and (iii) Both (i) and (ii) Only (iii) Only (i) Both (i) and (iii) Both (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Corrosion in boilers can be prevented by Deaeration of feed water Enhancing pH of feed water by adding alkali All of these Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion Deaeration of feed water Enhancing pH of feed water by adding alkali All of these Feeding sodium sulphite or hydrazine phosphate to the boilers, which combines with oxygen and prevents corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) Inhances the green house effect Causes asphyxia Causes increase in sea level Acts as a green house gas thereby raising earth's temperature Inhances the green house effect Causes asphyxia Causes increase in sea level Acts as a green house gas thereby raising earth's temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 2000 200 1000 10 2000 200 1000 10 ANSWER DOWNLOAD EXAMIANS APP
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