Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 120 90 20 60 120 90 20 60 ANSWER DOWNLOAD EXAMIANS APP
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. 4000 100 1000 400 4000 100 1000 400 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Tree plantation Green house gases Vibration damping Use of silencers Tree plantation Green house gases Vibration damping Use of silencers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 20 1 100 1000 20 1 100 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. Separation None of these Anaerobic decomposition Aerobic decomposition Separation None of these Anaerobic decomposition Aerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise pollution level in a chemical plant is expressed in Decibel Hertz None of these Roentgen Decibel Hertz None of these Roentgen ANSWER DOWNLOAD EXAMIANS APP
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