Chemical Engineering Basics - Study Mode
[#681] During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to
Correct Answer
(B) Square root of time
[#682] Brazing is the joining of metals
Correct Answer
(C) Both A & B
[#683] When water is sprayed on air, passing through an insulated chamber maintained at a temperature higher than the dew point of entering air but lower than its dry bulb temperature, then the air is
Correct Answer
(C) Cooled and humidified
[#684] Which of the following fastening devices has its both ends threaded?
Correct Answer
(B) Stud
[#685] Out of the following, __________ waves have the largest wavelength.
Correct Answer
(A) Radio