6017Chemical EngineeringMedium
Which of the following heat treatment processes is used for softening the hardened material?
ATempering
BAnnealing
CNone of these
DNormalising
Correct answer
A. Tempering
Explanation
The correct answer is Tempering.
Correct answer
A. Tempering
Explanation
The correct answer is Tempering.
A Carnot cycle consists of the following steps?
While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is ________?
pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be________?
Pick out the wrong statement. Iodine value of an oil or fat is________?
Which of the following may not need a moderator?
Compositional analysis of ________ is done using mass spectrometer?