2306Chemical EngineeringMedium
The biochemical treatment applied to sewage effluents is a process of________?
AOxidation
BReduction
CDehydration
DPolymerisation
Correct answer
A. Oxidation
Explanation
The correct answer is Oxidation.
Correct answer
A. Oxidation
Explanation
The correct answer is Oxidation.
Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young’s modulus, G = Modulus of rigidity or shear modulus v = Poisson’s ratio)?
Pick out the wrong statement?
A metal ball of radius 0.1 m at a uniform temperature of 90°C is left in air at 30°C. The density and the specific heat of the metal are 3000 kg/m3 and 0.4 kJ/kg.K respectively. The heat transfer co-efficient is 50 W/m2.K Neglecting the temperature gradients inside the ball, the time taken (in hours) for the ball to cool to 60°C is________?
Speed of sound in an ideal gas depends on its________?
In industrial nomenclature, alcohol means________?
With the lowering of equilibrium pressure, at a given temperature, the amount of adsorbate on the adsorbent________?