Environmental Engineering in CE Hazardous/polluting chemical industries should have an 'exclusion zone' with a green belt and general public access prohibited around it, covering a radius of ____ metres. 100 1000 4000 400 100 1000 4000 400 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. Aerobic decomposition Anaerobic decomposition Separation None of these Aerobic decomposition Anaerobic decomposition Separation None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Black smoke coming out of the chimney of a furnace is an indication of the use of __________ in the furnace. Pulverised coal as fuel Hydrocarbon fuel Large quantity of excess combustion air Low amount of excess combustion air Pulverised coal as fuel Hydrocarbon fuel Large quantity of excess combustion air Low amount of excess combustion air ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Phenol Dissolved oxygen Silica Turbidity Phenol Dissolved oxygen Silica Turbidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km. 0.05 6.5 1 15 0.05 6.5 1 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes Reduced strength of textiles All of these Corrosion, tarnishing & soiling of metals Fading of dyes on textiles Reduced strength of textiles All of these Corrosion, tarnishing & soiling of metals Fading of dyes on textiles ANSWER DOWNLOAD EXAMIANS APP