Environmental Engineering in CE White smoke coming out of the chimney of a furnace indicates the use of Low excess air Gaseous fuel in the furnace Very high excess air Liquid fuel in the furnace Low excess air Gaseous fuel in the furnace Very high excess air Liquid fuel in the furnace ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants, if present in atmosphere is detectable by its odour? NO₂ CO₂ CO SO₂ NO₂ CO₂ CO SO₂ 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 Neither A nor B With greater number of blades Of increased diameter Both A & B Neither A nor B With greater number of blades Of increased diameter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the Ionosphere Green house Global warming Atmospheric effect Ionosphere Green house Global warming Atmospheric effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Phenol and cynide Chlorine Suspended solids Alkalis Phenol and cynide Chlorine Suspended solids Alkalis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Petrol vapor Acetylene Hydrogen Carbon monoxide Petrol vapor Acetylene Hydrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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