902Chemical EngineeringMedium
Coal is finally pulverised to 200 mesh size for burning in boilers by a________?
AGyratory crusher
BRoll crusher
CBall mill
DHammer crusher
Correct answer
C. Ball mill
Explanation
The correct answer is Ball mill.
Correct answer
C. Ball mill
Explanation
The correct answer is Ball mill.
Which of the following has the maximum compression ratio?
Which of the following chemical reactions will be favoured by low pressure?
Which of the following is unimportant in forced convection?
Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals)?
When an unsaturated air-water mixture is heated at constant pressure, then ________?
A bed consists of particles of density 2000 kg/m3. If the height of the bed is 1.5 metres and its porosity 0.6, the pressure drop required to fluidise the bed by air is________?