Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Phenol Dissolved oxygen Turbidity Silica Phenol Dissolved oxygen Turbidity Silica ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases. Catalytically convert SO₂ to SO₃ in Increase the dew point of Reduce SO₂ content in None of these Catalytically convert SO₂ to SO₃ in Increase the dew point of Reduce SO₂ content in None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 20 1 1000 100 20 1 1000 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerosols present in atmospheric air may be Neutral Negatively charged Combination of all A, B & C Positively charged Neutral Negatively charged Combination of all A, B & C Positively charged ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Deaccelaration Idle running Cruising Acceleration Deaccelaration Idle running Cruising Acceleration ANSWER DOWNLOAD EXAMIANS APP
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) 90 800 750 10 90 800 750 10 ANSWER DOWNLOAD EXAMIANS APP
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