Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 80 20 10 40 80 20 10 40 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the Reduction in strength of leather & cloth Increased drying & hardening time of paints All of these Acceleration of corrosion rates of metals Reduction in strength of leather & cloth Increased drying & hardening time of paints All of these Acceleration of corrosion rates of metals ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes All of these Paralysis of muscles & loss of appetite Nervous depression Gastritis & diarrhea All of these Paralysis of muscles & loss of appetite Nervous depression Gastritis & diarrhea ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called Grit Smoke Dust Powder Grit Smoke Dust Powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 1-2 5-10 2000-3000 150-300 1-2 5-10 2000-3000 150-300 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 1 500 50 5 1 500 50 5 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS