Mechanical Operations - Study Mode

[#386] A pebble mill
Correct Answer

(D) Both B and C

[#387] A propeller agitator
Correct Answer

(A) Produces mainly axial flow

[#388] In a roll crusher, both the rolls
Correct Answer

(D) All of the above

[#389] The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is
Correct Answer

(C) 18 kWh/ton

[#390] Screen capacity is expressed in terms of
Correct Answer

(D) Tons/hr-ft 2