A simple closed grinding circuit may consist of
A. A ball mill and a classifier
B. A rod mill and a hydrocyclone
C. A jaw crusher and a hydrocyclone
D. A ball mill and a froth floatation cell
Answer: Option A
A. A ball mill and a classifier
B. A rod mill and a hydrocyclone
C. A jaw crusher and a hydrocyclone
D. A ball mill and a froth floatation cell
Answer: Option A
Which of the following will resist maxi-mum shock & vibration without cracking?
A. Grey cast iron
B. White cast iron
C. Malleable iron
D. Graphite
A. Pulverised fuel
B. Travelling grate stoker firing
C. Circulating fluidised bed
D. Fluidised bed
Isotropic materials have the same __________ in all directions.
A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties
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