Environmental Engineering in CE __________ is the process of killing organism in water. Disinfection Sedimentation Coagulation Sterilisation Disinfection Sedimentation Coagulation Sterilisation 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 With greater number of blades Of increased diameter Both A & B Neither A nor B With greater number of blades Of increased diameter Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Xerox machines Refrigerators High voltage electrical equipments Dermatological photo-therapy equipments Xerox machines Refrigerators High voltage electrical equipments Dermatological photo-therapy equipments ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Thermal pollution due to excessive heat & temperature in the working place causes Fatigue High breathing rate All of these Reduction in working efficiency of manpower Fatigue High breathing rate All of these Reduction in working efficiency of manpower ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. 50 120 80 25 50 120 80 25 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of __________ in water stream are deleterious to aquatic life. All of these Heavy metals and cynides Soluble and toxic organics Suspended solids All of these Heavy metals and cynides Soluble and toxic organics Suspended solids ANSWER DOWNLOAD EXAMIANS APP