Correct answer
B. Vacuum
Explanation
The correct answer is Vacuum.
Multistage centrifugal pumps are generally used for________?
Heat exchangers operating, when the asymptotic range is reached,?
Ceramic coating material for furnace refractory, which increases its emissivity and thus the radiation heat transfer rate in the furnace, comprises of________?
Pick out the wrong statement?
Component A is diffusing in a medium B. The flux NA relative to a stationary point is equal to the flux due to molecular diffusion, if________?
The synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called________?