Environmental Engineering in CE Which of the following is not an air pollutant? Ozone Carcinogens Pesticides Metallic powders Ozone Carcinogens Pesticides Metallic powders ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Operating principle of cyclone separator is based on the action of __________ dust particles. Diffusion of Electrostatic force on Gravitational force on Centrifugal force on Diffusion of Electrostatic force on Gravitational force on Centrifugal force on ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 50 1000 5000 2000 50 1000 5000 2000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Biological oxidation Settling out using chemical reagents Skimming off Chlorination Biological oxidation Settling out using chemical reagents Skimming off Chlorination 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. 120 20 60 90 120 20 60 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbon monoxide is a pollutant, which causes 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 Respiratory disease (e.g. asthma) Asphyxiation (suffocation) leading to death ANSWER DOWNLOAD EXAMIANS APP
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