Environmental Engineering in CE The pH value of potable water should be between 1 to 1.5 13 to 14 4 to 5 6.5 to 8 1 to 1.5 13 to 14 4 to 5 6.5 to 8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reinglemann chart is used for the measurement of the Smoke density from a chimey Exhaust gas density Flue gas temperature Combustibles present in automobile exhaust Smoke density from a chimey Exhaust gas density Flue gas temperature Combustibles present in automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerosols present in atmospheric air may be Neutral Negatively charged Combination of all A, B & C Positively charged Neutral Negatively charged Combination of all A, B & C Positively charged 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 Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Acetylene Ammonia Hydrogen Carbon monoxide Acetylene Ammonia Hydrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 3000 to 6000 6000 to 9000 1000 to 2000 10000 to 100000 3000 to 6000 6000 to 9000 1000 to 2000 10000 to 100000 ANSWER DOWNLOAD EXAMIANS APP
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