Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 1.5-2.5 0.33-0.45 1.33-1.45 0.5-2 1.5-2.5 0.33-0.45 1.33-1.45 0.5-2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of isotopes is generally done using a/an __________ centrifuge. Ultra Both A & B Disk-bowl Neither A nor B Ultra Both A & B Disk-bowl Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, the Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number Froude number is independent for the curves between power number and Reynolds number in baffled system All of these Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number Froude number is independent for the curves between power number and Reynolds number in baffled system All of these Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations All resistances during washing of cake None of these Decreases Remain constant Increases None of these Decreases Remain constant Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A cottrel precipitator makes use of the __________ for dusty air cleaning. Electric spark Corrona discharge None of these Alternating current Electric spark Corrona discharge None of these Alternating current ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to The change in volume due to crushing The new surface created The size reduction ratio None of these The change in volume due to crushing The new surface created The size reduction ratio None of these ANSWER DOWNLOAD EXAMIANS APP
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