Correct answer
D. Atmospheric humidity
Explanation
The correct answer is Atmospheric humidity.
Elimination of brittleness resulting from welding of saw blades is done by ________ of the welded portion?
Of the pressure vessels, with same thickness but different diameters, which one withstands higher pressure?
Which of the following terminology is not used for size reduction of materials to fine sizes or powders?
Which of the following reactions is undesirable in the production of catalytically reformed gasoline?
Carbon percentage (by weight) in crude petroleum may be about________?
For most salts, the solubility increases with rise in temperature, but the solubility of ________ is nearly independent of temperature rise?