6839Chemical EngineeringMedium
For the production of very high vacuum, a ________ pump is normally used?
APiston
BDiffusion
CJet ejector
DCentrifugal
Correct answer
B. Diffusion
Explanation
The correct answer is Diffusion.
Correct answer
B. Diffusion
Explanation
The correct answer is Diffusion.
Hydrogenation of edible vegetable oils________?
A backward feed multiple effect evaporator is better than forward feed for concentrating cold feed, because it provides ________?
The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is________?
Cold crushing strength of ordinary fireclay brick is about 950 kg/cm2. On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as ________ kg/cm2?
Short/intense flame is produced during combustion of gaseous fuel by using________?
A Newtonian fluid is that________?