Environmental Engineering in CE TLV of mercury in potable (drinking) water is about __________ ppm. 5 0.001 1 0.1 5 0.001 1 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of potable water should be between 6.5 to 8 13 to 14 1 to 1.5 4 to 5 6.5 to 8 13 to 14 1 to 1.5 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 125 100 80 145 125 100 80 145 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ substances present in sewage are removed in grit chamber during sewage treatment. Organic Dissolved Inorganic Fatty Organic Dissolved Inorganic Fatty ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of high concentration of ozone and smog in atmospheric air causes the Cracking of rubber products Fading of dye on textiles Embrittlement & decrease of folding resistance of paper Damage of electrical insulator on high tension power line Cracking of rubber products Fading of dye on textiles Embrittlement & decrease of folding resistance of paper Damage of electrical insulator on high tension power line ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels. 75 120 95 140 75 120 95 140 ANSWER DOWNLOAD EXAMIANS APP
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