Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 180 90 120 150 180 90 120 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Carbon monoxide Oxides of nitrogen Oxides of sulphur Hydrogen sulphide Carbon monoxide Oxides of nitrogen Oxides of sulphur Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. Carbon dioxide None of these Ozone Hydrogen Carbon dioxide None of these Ozone Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hardy cross method of analysis of distribution system(i) Involves successive trials(ii) Takes economic aspects into account(iii) Is time consuming (i) and (iii) All are correct Only (i) (i) and (ii) (i) and (iii) All are correct Only (i) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Gritty & inorganic Suspended solid Oil & fatty Dissolved solid Gritty & inorganic Suspended solid Oil & fatty Dissolved solid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Hydrocarbons Hydrogen flouride Nitrogen dioxide Hydrogen sulphides Hydrocarbons Hydrogen flouride Nitrogen dioxide Hydrogen sulphides ANSWER DOWNLOAD EXAMIANS APP
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