Environmental Engineering in CE Deaeration of high pressure boiler feed water is done to reduce Its silica content Its dissolved oxygen content Foaming from boilers Caustic embrittlement Its silica content Its dissolved oxygen content Foaming from boilers Caustic embrittlement ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following acts as a natural source of air pollution? None of these Deforestation Volcanic eruption Forest fire None of these Deforestation Volcanic eruption Forest fire ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. Total count Electometric Presumptive EDTA Total count Electometric Presumptive EDTA ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan With greater number of blades Both A & B Of increased diameter Neither A nor B With greater number of blades Both A & B Of increased diameter Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a green house gas other than CO₂ ? All of these Chlorofluro carbons (CFC) Nitrous oxide Methane All of these Chlorofluro carbons (CFC) Nitrous oxide Methane ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Salts of metals Fats Protein Carbohydrates Salts of metals Fats Protein Carbohydrates ANSWER DOWNLOAD EXAMIANS APP