Environmental Engineering in CE As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram) 90 750 10 800 90 750 10 800 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in Petroleum refinery Municipal sewage treatment Iron & steel plant Food industry Petroleum refinery Municipal sewage treatment Iron & steel plant Food industry ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 0.1 1 4 0.01 0.1 1 4 0.01 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Air binding Shrinkage of filtering media Expansion of filtering media Mud balls Air binding Shrinkage of filtering media Expansion of filtering media Mud balls ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A man exposed to excessive noise level in the working environment may suffer from All of these Rupture of ear drum Hearing loss Nervousness & fatigue All of these Rupture of ear drum Hearing loss Nervousness & fatigue ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes All of these Corrosion, tarnishing & soiling of metals Reduced strength of textiles Fading of dyes on textiles All of these Corrosion, tarnishing & soiling of metals Reduced strength of textiles Fading of dyes on textiles ANSWER DOWNLOAD EXAMIANS APP
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