Environmental Engineering in CE World environment day is observed every year on the 5th of June September December July June September December July ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Cancer Reduced crop yield Respiratory disease (e.g., asthma) Silicosis Cancer Reduced crop yield Respiratory disease (e.g., asthma) Silicosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels. 70 30 3 100 70 30 3 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the Stratosphere Troposphere Ionosphere None of these Stratosphere Troposphere Ionosphere None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 105 135 160 185 105 135 160 185 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant? Lead Aluminium Mercury Arsenic Lead Aluminium Mercury Arsenic ANSWER DOWNLOAD EXAMIANS APP