Environmental Engineering in CE The pH value of potable water should be between 1 to 1.5 6.5 to 8 13 to 14 4 to 5 1 to 1.5 6.5 to 8 13 to 14 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Acetylene Carbon monoxide Hydrogen Petrol vapor Acetylene Carbon monoxide Hydrogen Petrol vapor 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)? Sulphur dioxide Benzopyrene Carbon monoxide Peroxyacyl nitrate Sulphur dioxide Benzopyrene Carbon monoxide Peroxyacyl nitrate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 105 160 185 135 105 160 185 135 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbon monoxide is a pollutant, which causes Respiratory disease (e.g. asthma) Asphyxiation (suffocation) leading to death Damage to building materials like marble Retardation in crop growth Respiratory disease (e.g. asthma) Asphyxiation (suffocation) leading to death Damage to building materials like marble Retardation in crop growth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. Separation Aerobic decomposition None of these Anaerobic decomposition Separation Aerobic decomposition None of these Anaerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
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