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). 43832 43961 25-30 15-20 43832 43961 25-30 15-20 ANSWER DOWNLOAD EXAMIANS APP
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. 20 90 120 60 20 90 120 60 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? Troposphere Stratosphere None of these Thermosphere Troposphere Stratosphere None of these Thermosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hardy cross method of analysis of distribution system(i) Involves successive trials(ii) Takes economic aspects into account(iii) Is time consuming All are correct (i) and (iii) (i) and (ii) Only (i) All are correct (i) and (iii) (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Acetylene Hydrogen Carbon monoxide Petrol vapor Acetylene Hydrogen Carbon monoxide Petrol vapor ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not an air pollutant? Metallic powders Carcinogens Pesticides Ozone Metallic powders Carcinogens Pesticides Ozone ANSWER DOWNLOAD EXAMIANS APP
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