Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 10000 1000 5 500 10000 1000 5 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is Pipe vibrations Fluctuation in liquid flow Boundary layer separation Cavitation Pipe vibrations Fluctuation in liquid flow Boundary layer separation Cavitation 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 Mercury Aluminium Arsenic Lead Mercury Aluminium Arsenic 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. 100 70 3 30 100 70 3 30 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause Corrosion Non biodegradable foam Undesirable plant growth Explosion Corrosion Non biodegradable foam Undesirable plant growth Explosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Acetylene Petrol vapor Hydrogen Carbon monoxide Acetylene Petrol vapor Hydrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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