5765Chemical EngineeringMedium
Grinding efficiency of a ball mill is of the order of ________ percent?
A75-80
B90-95
C40-50
D1-5
Correct answer
D. 1-5
Explanation
The correct answer is 1-5.
Correct answer
D. 1-5
Explanation
The correct answer is 1-5.
The rate constant of a chemical reaction increases by increasing the________?
Use of pulverised coal in boiler furnace provides________?
A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of________?
Vapor velocity in a distillation column for non-foaming mixture is in the range of ________ times the flooding velocity?
Equivalent diameter of a particle is the diameter of the sphere having the same ________?
The fluid jet discharging from a 2′′ diameter orifice has a diameter of 1.75′′ at its venacontracta. The co-efficient of contraction is________?