4399Chemical EngineeringMedium
In sewage treatment, the detention period allowed for oxidation ponds ranges from ________ weeks?
A9 to 10
B1 to 2
C15 to 20
D4 to 5
Correct answer
D. 4 to 5
Explanation
The correct answer is 4 to 5.
Correct answer
D. 4 to 5
Explanation
The correct answer is 4 to 5.
Maximum nitrogen percentage is in________?
________ column is used in gas absorption process?
Packed column distillation is limited to the column ________ metres?
In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is________?
FeO (s) + CO (g) = Fe (s) + CO2 (g), k = 0. 435 at 1173E; at equilibrium, what will be the number of moles of CO gas required to reduce one mole of FeO at 1173 K?
If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor).?