910Chemical EngineeringMedium
All gases except ________ shows a cooling effect during throttling process at atmospheric temperature and pressure?
AAir
BHydrogen
CNitrogen
DOxygen
Correct answer
B. Hydrogen
Explanation
The correct answer is Hydrogen.
Correct answer
B. Hydrogen
Explanation
The correct answer is Hydrogen.
Factory manufacturing cost is the sum of the direct production cost________?
Urea is a better fertilizer than ammonium sulphate, because________?
Ammonia content in raw coke oven gas is about ________ gm/Nm3?
Ceramic recuperators used for waste heat recovery from high temperature flue gas going out of the furnace is made of________?
Pick out the wrong statement?
Which of the following is not a dielectric material?