Environmental Engineering in CE The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. Aerobic Anaerobic Saphrophytic Parasitic Aerobic Anaerobic Saphrophytic Parasitic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan Both A & B Of increased diameter Neither A nor B With greater number of blades Both A & B Of increased diameter Neither A nor B With greater number of blades ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes Anaemia Blood poisoning All of these Nervous system disorder Anaemia Blood poisoning All of these Nervous system disorder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is the process of killing organism in water. Sterilisation Sedimentation Disinfection Coagulation Sterilisation Sedimentation Disinfection Coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of soluble organics in polluted water causes Depletion of oxygen Fire hazards Undesirable plants growth Explosion hazards Depletion of oxygen Fire hazards Undesirable plants growth Explosion hazards ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust All of these Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight Is harmful for crops and trees also besides causing eye irritation & asthma All of these Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight Is harmful for crops and trees also besides causing eye irritation & asthma ANSWER DOWNLOAD EXAMIANS APP
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