3698Chemical EngineeringMedium
Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill.)?
A1/D
BD2.5
C1/D2.5
DD
Correct answer
B. D2.5
Explanation
The correct answer is D2.5.
Correct answer
B. D2.5
Explanation
The correct answer is D2.5.
Pour point of a petrofuel is________?
Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about ________ mm Hg absolute?
Air-refrigeration cycle________?
Ratio of primary air to secondary air increases with increase in the rank of coal, because the________?
A piezometer provided in the pipe measures________?
Deaeration of high pressure boiler feed water is done to reduce ________?