Environmental Engineering in CE Presence of dissolved impurities of __________ is responsible for the red brownish color of water. Bi-carbonates Carbonates Arsenic Iron & manganese Bi-carbonates Carbonates Arsenic Iron & manganese ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Permissible safe limit (TLV) of __________ toxic gas is 100-1000 parts per million (ppm). Very extremely Highly Extremely Moderately Very extremely Highly Extremely Moderately ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ bacteria in water causes disease like typhoid. Anaerobic Pathogenic Non-pathogenic Aerobic Anaerobic Pathogenic Non-pathogenic Aerobic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? Photochemical smog Sulphur dioxide All of these Ozone Photochemical smog Sulphur dioxide All of these Ozone 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 Cadmium Asbestos Mercury Hydrogen sulphide Cadmium Asbestos ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. Total count Presumptive Electometric EDTA Total count Presumptive Electometric EDTA ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS