Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Choride Carbonate Calcium Sulphate Choride Carbonate Calcium Sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Dissolved solid Oil & fatty Gritty & inorganic Suspended solid Dissolved solid Oil & fatty Gritty & inorganic Suspended solid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO₂ in air is __________ ppm. 500 1000 2000 5 500 1000 2000 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Methyl iso-cynate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of __________ toxic gas. Highly Very extremely Extremely Moderately Highly Very extremely Extremely Moderately ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram) 10 750 90 800 10 750 90 800 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Air binding Expansion of filtering media Mud balls Shrinkage of filtering media Air binding Expansion of filtering media Mud balls Shrinkage of filtering media ANSWER DOWNLOAD EXAMIANS APP