4749Chemical EngineeringMedium
Average molecular weight of air is about ________?
A23
B29
C79
D21
Correct answer
B. 29
Explanation
The correct answer is 29.
Correct answer
B. 29
Explanation
The correct answer is 29.
Grashoff number, which is defined as g. β (Ts – T∞) ρ2. L3/μ2, is proportional to the ratio of buoyancy force to ________ force?
In autocatalytic reactions?
The second order system with the transfer function 4/(s2 + 2s + 4) has a damping ratio of ________?
About ________ ton of coke is required in a cupola to produce one ton of casting?
Silicon percentage in iron castings to have maximum hardness should be about________?
Raw materials are charged in the iron blast furnace using________?