Environmental Engineering in CE A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm. 3000 to 6000 1000 to 2000 10000 to 100000 6000 to 9000 3000 to 6000 1000 to 2000 10000 to 100000 6000 to 9000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Solid content in most of the domestic sewage is about __________ percent. 5 0.1 0.001 10 5 0.1 0.001 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust Is harmful for crops and trees also besides causing eye irritation & asthma All of these By reaction of hydrocarbon & nitric oxide in presence of sunlight Appears only on sunny days Is harmful for crops and trees also besides causing eye irritation & asthma All of these By reaction of hydrocarbon & nitric oxide in presence of sunlight Appears only on sunny days ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Bromine Zinc Iodine Iron Bromine Zinc Iodine Iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a weightless pollutant? Radioactive rays Thermal pollution SPM Noise pollution Radioactive rays Thermal pollution SPM Noise pollution ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to small amount of __________ results in high blood pressure & heart disease in human beings. Mercury Hydrogen sulphide Asbestos Cadmium Mercury Hydrogen sulphide Asbestos Cadmium ANSWER DOWNLOAD EXAMIANS APP
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