4212Chemical EngineeringMedium
Nitriding of steel is done (in electric furnace) at ________ °C?
A910
B2210
C1720
D510
Correct answer
D. 510
Explanation
The correct answer is 510.
Correct answer
D. 510
Explanation
The correct answer is 510.
Number of macrocomponents present in coal according to Stopes are ________?
Mcleod gauge is used to measure the ________?
Which of the following is not a natural fiber?
Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70%?
Solution used in Doctor’s treatment for the removal of mercaptans is________?
A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be________?