Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes Corrosion, tarnishing & soiling of metals All of these Fading of dyes on textiles Reduced strength of textiles Corrosion, tarnishing & soiling of metals All of these Fading of dyes on textiles Reduced strength of textiles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A man exposed to excessive noise level in the working environment may suffer from Rupture of ear drum Nervousness & fatigue Hearing loss All of these Rupture of ear drum Nervousness & fatigue Hearing loss All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)? Benzopyrene Peroxyacyl nitrate Carbon monoxide Sulphur dioxide Benzopyrene Peroxyacyl nitrate Carbon monoxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by None of these Filtration and recycling for cooling coke oven gas Quenching of hot coke Discharging in the river stream None of these Filtration and recycling for cooling coke oven gas Quenching of hot coke Discharging in the river stream ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present as pollutant in water can not be removed by Lime soda process or manganese zeolite process Oxidation followed by settling & filtration Ion exchange process Chlorination Lime soda process or manganese zeolite process Oxidation followed by settling & filtration Ion exchange process Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 15 to 20 4 to 5 9 to 10 1 to 2 15 to 20 4 to 5 9 to 10 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
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