Environmental Engineering in CE Fresh sewage is __________ in nature. Acidic Neutral Highly acidic Alkaline Acidic Neutral Highly acidic Alkaline ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of CO₂ in atmosphere Prevents solar heat being radiated out completely, resulting in Reflects and absorbs the longer wavelength (infra-red) radiations Allows visible solar radiation (ultraviolet) of short wave-length to pass through All of these Prevents solar heat being radiated out completely, resulting in Reflects and absorbs the longer wavelength (infra-red) radiations Allows visible solar radiation (ultraviolet) of short wave-length to pass through All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 5 50 2000 5000 5 50 2000 5000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ hardness is responsible for the temporary hardness in water. Sulphate Carbonate Calcium Choride Sulphate Carbonate Calcium Choride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CO N₂ CO₂ CH₄ CO N₂ CO₂ CH₄ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Flourosis (bone disease) Cancer Asthma Silicosis Flourosis (bone disease) Cancer Asthma Silicosis ANSWER DOWNLOAD EXAMIANS APP