Environmental Engineering in CE The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank) 2B B 8B 4B 2B B 8B 4B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels. 75 140 120 95 75 140 120 95 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is Cavitation Fluctuation in liquid flow Pipe vibrations Boundary layer separation Cavitation Fluctuation in liquid flow Pipe vibrations Boundary layer separation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of Disinfection Coagulation Filtration Sedimentation Disinfection Coagulation Filtration Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 20 1000 100 1 20 1000 100 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh sewage is __________ in nature. Neutral Acidic Alkaline Highly acidic Neutral Acidic Alkaline Highly acidic ANSWER DOWNLOAD EXAMIANS APP
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