Mechanical Operations Which of the following oxides is not present in hematite iron ore? Manganese oxide Titanium oxide Cobalt oxide Calcium oxide Manganese oxide Titanium oxide Cobalt oxide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the Increasing size of feed at constant reduction ratio None of these Decreasing machine capacity Decreasing size of product at constant size of feed Increasing size of feed at constant reduction ratio None of these Decreasing machine capacity Decreasing size of product at constant size of feed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Handling of ashes and similar materials can be done best by a __________ conveyor. Drag or slat Flight Belt Ribbon Drag or slat Flight Belt Ribbon ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. Vibratory Roll None of these Impact Vibratory Roll None of these Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A compressible cake has the Same porosity throughout the cake thickness Maximum porosity at the filter medium Maximum porosity at the upstream side None of these Same porosity throughout the cake thickness Maximum porosity at the filter medium Maximum porosity at the upstream side None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Has a higher diameter/length ratio Has a higher length/diameter ratio Produces a coarser product Uses much larger balls Has a higher diameter/length ratio Has a higher length/diameter ratio Produces a coarser product Uses much larger balls ANSWER DOWNLOAD EXAMIANS APP
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