Environmental Engineering in CE Which of the following is the most lethal water pollutant? Chlorine Alkalis Phenol and cynide Suspended solids Chlorine Alkalis Phenol and cynide Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Deaeration of high pressure boiler feed water is done to reduce Caustic embrittlement Its silica content Foaming from boilers Its dissolved oxygen content Caustic embrittlement Its silica content Foaming from boilers Its dissolved oxygen content ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes Nervous depression All of these Paralysis of muscles & loss of appetite Gastritis & diarrhea Nervous depression All of these Paralysis of muscles & loss of appetite Gastritis & diarrhea ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE White smoke coming out of the chimney of a furnace indicates the use of Liquid fuel in the furnace Very high excess air Low excess air Gaseous fuel in the furnace Liquid fuel in the furnace Very high excess air Low excess air Gaseous fuel in the furnace ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Suspended silica Turbidity Dissolved oxygen Caustic embrittlement Suspended silica Turbidity Dissolved oxygen Caustic embrittlement 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 Of increased diameter Both A & B With greater number of blades Neither A nor B Of increased diameter Both A & B With greater number of blades Neither A nor B ANSWER DOWNLOAD EXAMIANS APP