665Chemical EngineeringMedium
COD of raw municipal sewage may be in the range of about ________ mg/litre?
A1500-2500
B1-2
C5-10
D90-120
Correct answer
D. 90-120
Explanation
The correct answer is 90-120.
Correct answer
D. 90-120
Explanation
The correct answer is 90-120.
With increase in the concentration of the adsorbate, the integral heat of adsorption________?
Phosphatic fertilisers________?
Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of________?
Buna-S is also known as________?
Which of the following is the most important rubber compounding ingredient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness?
Iron & manganese present in the polluted water is removed by ________?