Mechanical Operations __________ centrifuge is the most suitable for separation of non-friable crystals. Perforated horizontal basket continuous Tubular bowl Suspended batch basket Disc-bowl Perforated horizontal basket continuous Tubular bowl Suspended batch basket Disc-bowl ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Free flowing Sticky (e.g. clay paste) Small lumpy (e.g. grains and sand) Fine (e.g. - 200 mesh size coal) Free flowing Sticky (e.g. clay paste) Small lumpy (e.g. grains and sand) Fine (e.g. - 200 mesh size coal) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following may prove unsuitable for filtering volatile liquids? Gravity filter Centrifugal filter Vacuum filter Pressure filter Gravity filter Centrifugal filter Vacuum filter Pressure filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Hot, lumpy & abrasive materials are best transported by using a/an __________ conveyor. Flight Apron Screw Belt Flight Apron Screw Belt ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the Decreasing machine capacity Decreasing size of product at constant size of feed None of these Increasing size of feed at constant reduction ratio Decreasing machine capacity Decreasing size of product at constant size of feed None of these Increasing size of feed at constant reduction ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.62 0.5 0.68 0.58 0.62 0.5 0.68 0.58 ANSWER DOWNLOAD EXAMIANS APP
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