Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 1.5-2.5 1.33-1.45 0.5-2 0.33-0.45 1.5-2.5 1.33-1.45 0.5-2 0.33-0.45 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Classification Froth floatation Clarification Thickening Classification Froth floatation Clarification Thickening ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials. Fine (e.g. - 200 mesh size coal) Small lumpy (e.g. grains and sand) Free flowing Sticky (e.g. clay paste) Fine (e.g. - 200 mesh size coal) Small lumpy (e.g. grains and sand) Free flowing Sticky (e.g. clay paste) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a revolving/tumbling mill used for size reduction? Pebble mill Rod mill Cage mill Compartment mill Pebble mill Rod mill Cage mill Compartment mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During the washing of cake Filter medium resistance decreases Cake resistance decreases All the resistances are constant Filter medium resistance increases Filter medium resistance decreases Cake resistance decreases All the resistances are constant Filter medium resistance increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Forged/cast steel Alloy steel Lead Cast iron Forged/cast steel Alloy steel Lead Cast iron ANSWER DOWNLOAD EXAMIANS APP
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