Mechanical Operations During agitation of liquids, the Froude number is independent for the curves between power number and Reynolds number in baffled system All of these Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is independent for the curves between power number and Reynolds number in baffled system All of these Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number 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 Filtration rate does not depend upon the None of these Resistance of the cake & the septum Pressure drop & area of filtering surface Properties of the cake & the filtrate None of these Resistance of the cake & the septum Pressure drop & area of filtering surface Properties of the cake & the filtrate ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 3 to 4 15 to 20 8 to 10 10 to 15 3 to 4 15 to 20 8 to 10 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as filter aid? Purified wood cellulose Diatomaceous earth Rice husk Asbestos Purified wood cellulose Diatomaceous earth Rice husk Asbestos ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following must be stored in silos and not in open yard? Sand High V.M. bituminous coal None of these Coke breeze Sand High V.M. bituminous coal None of these Coke breeze ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 0.0074 mm 0.0074 cm 74 mili-microns 0.0047 cm 0.0074 mm 0.0074 cm 74 mili-microns 0.0047 cm ANSWER DOWNLOAD EXAMIANS APP
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