Environmental Engineering in CE Fresh sewage is __________ in nature. Alkaline Acidic Neutral Highly acidic Alkaline Acidic Neutral Highly acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 90 120 20 60 90 120 20 60 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank) 8B B 2B 4B 8B B 2B 4B 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 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 Corrosion, tarnishing & soiling of metals ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ plant emits large amount of SOâ‚‚ as an air pollutant. Nitric acid Sulphuric acid Chloralkali Iron & steel Nitric acid Sulphuric acid Chloralkali Iron & steel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 6.2 7.3 13.4 1.8 6.2 7.3 13.4 1.8 ANSWER DOWNLOAD EXAMIANS APP