Environmental Engineering in CE Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. 1050 332 42 2 1050 332 42 2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 105 125 145 85 105 125 145 85 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 25 650 1 150 25 650 1 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Carbonates Bi-carbonates Sulphides Chlorides Carbonates Bi-carbonates Sulphides Chlorides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Anemia Asphyxiation (suffocation) Bone decay Cancer Anemia Asphyxiation (suffocation) Bone decay Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Color test of water is done with an instrument called Electro-chemical cell Tintometer Turbidimeter Colorimeter Electro-chemical cell Tintometer Turbidimeter Colorimeter ANSWER DOWNLOAD EXAMIANS APP
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