Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 125 80 145 100 125 80 145 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrates in water in excess of 50 ppm causes Asphyxiation Tooth decay Gastroentetitis Mathenoglobenemia Asphyxiation Tooth decay Gastroentetitis Mathenoglobenemia ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Limestone powder Silica gel Active carbon Bog iron Limestone powder Silica gel Active carbon Bog iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Expansion of filtering media Mud balls Air binding Shrinkage of filtering media Expansion of filtering media Mud balls Air binding Shrinkage of filtering media ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 9 to 10 4 to 5 15 to 20 1 to 2 9 to 10 4 to 5 15 to 20 1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Green house effect Both B and C Global warming Catalytic conversion Green house effect Both B and C Global warming Catalytic conversion ANSWER DOWNLOAD EXAMIANS APP