Correct answer
B. Both A. and B.
Explanation
The correct answer is Both A. and B..
For separating small pieces of metal from engine oil of a car, the best separating technique is the ________?
For large heat transfer area requirement, shell and tube heat exchanger is preferred, because it________?
Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is________?
Glauber’s salt is chemically represented by________?
Pick out the correct statement________?
Photochemical smog is formed from automobile exhaust ________?