Environmental Engineering in CE Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called Troposphere Stratosphere Mesosphere Thermosphere Troposphere Stratosphere Mesosphere Thermosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools). 43961 15-20 25-30 43832 43961 15-20 25-30 43832 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Protein Salts of metals Carbohydrates Fats Protein Salts of metals Carbohydrates Fats ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of CO₂ in atmosphere Reflects and absorbs the longer wavelength (infra-red) radiations Prevents solar heat being radiated out completely, resulting in All of these Allows visible solar radiation (ultraviolet) of short wave-length to pass through Reflects and absorbs the longer wavelength (infra-red) radiations Prevents solar heat being radiated out completely, resulting in All of these Allows visible solar radiation (ultraviolet) of short wave-length to pass through ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. EDTA Total count Presumptive Electometric EDTA Total count Presumptive Electometric ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 1000 100 1 20 1000 100 1 20 ANSWER DOWNLOAD EXAMIANS APP