Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 24 to 32 16 to 20 8 to 12 2 to 4 24 to 32 16 to 20 8 to 12 2 to 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the wrong statement pertaining to 'green house' for the plants. ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called Grit Dust Powder Smoke Grit Dust Powder Smoke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 6.2 1.8 13.4 7.3 6.2 1.8 13.4 7.3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. 10-100 100-1000 100-200 10-100 100-1000 100-200 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Ferrous sulphate Hydrated lime Chloramine Aluminium sulphate Ferrous sulphate Hydrated lime Chloramine Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
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