Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 10 20 80 40 10 20 80 40 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Iron and manganese Foul smell and taste Temporary hardness Permanent hardness Iron and manganese Foul smell and taste Temporary hardness Permanent hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrates in water in excess of 50 ppm causes Mathenoglobenemia Asphyxiation Gastroentetitis Tooth decay Mathenoglobenemia Asphyxiation Gastroentetitis Tooth decay ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 145 125 85 105 145 125 85 105 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 24 to 32 8 to 12 2 to 4 16 to 20 24 to 32 8 to 12 2 to 4 16 to 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Removal of __________ is accomplished by aeration of water. None of these Dissolved gases Dissolved solids Suspended solids None of these Dissolved gases Dissolved solids Suspended solids ANSWER DOWNLOAD EXAMIANS APP