7215Chemical EngineeringMedium
Generally, no corrosion allowance in wall thickness of a part is required, if the thickness is more than ________ mm?
A20
B30
C10
D5
Correct answer
B. 30
Explanation
The correct answer is 30.
Correct answer
B. 30
Explanation
The correct answer is 30.
Heat transfer by ________ may not necessarily require the presence of a medium?
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of ________ mm?
Schmidt number and Lewis number for pure air at atmospheric conditions are respectively________?
________ is a polysaccharide?
Laminar flow is characterised by the nonexistence of________?
A high vapour velocity is required for high plate efficiency in a sieve plate column. The satisfactory value of operating vapor velocity for design purpose in sieve plate column is about ________ percent of the flooding velocity?