5108Chemical EngineeringMedium
Length to diameter ratio of most rotary driers is in the range of________?
A10 to 20
B1 to 2
C20 to 30
D4 to 10
Correct answer
D. 4 to 10
Explanation
The correct answer is 4 to 10.
Correct answer
D. 4 to 10
Explanation
The correct answer is 4 to 10.
Catalyst used in the catalytic cracking is________?
The thickness of oxide film is y at time t. If K1, K2 and K3 are the temperature dependent constants, the parabolic law of oxidation is given by ________?
Steam economy is defined as the amount of evaporation per unit amount of steam used, while the capacity is the total evaporation obtained per hour. Use of multiple effects in evaporation?
Half the angle of nip, (α), for a roll crusher is given by (where, dr, dp and df are diameters of crushing rolls, feed particles and rolls gap respectively)?
Potential flow is the flow of________?
The operating speed of a ball mill should be ________ the critical speed?