937Chemical EngineeringMedium
The operating speed of a ball mill should be ________ the critical speed?
AMuch more than
BLess than
CAt least equal to
DSlightly more than
Correct answer
B. Less than
Explanation
The correct answer is Less than.
Correct answer
B. Less than
Explanation
The correct answer is Less than.
In a pressure vessel containing multiple openings of various dimensions at different parts, stress concentration at the edges of the opening is maximum which becomes negligibly small beyond the area covered by ________ times the hole diameter?
Presence of sodium tripolyphosphate (an additive) in synthetic detergent________?
________ of rubber decreases after its vulcanisation?
Actual flame temperature is always lower than the adiabatic flame temperature, because there is________?
Recrystallisation temperature of steel is ________ °C?
Length to diameter ratio of most rotary driers is in the range of________?