Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 0.90 μm/s 1 μm/s 22.1 μm/s 0.02 μm/s 0.90 μm/s 1 μm/s 22.1 μm/s 0.02 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For laminar flow of filtrate through the cake deposited on septum, which of the following will be valid? Kozney-Karman equation Leva None of these Blake-Plummer equation Kozney-Karman equation Leva None of these Blake-Plummer equation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Specific surface area is the surface area of a unit __________ of materials. Volume Neither A nor B Either A or B Weight Volume Neither A nor B Either A or B Weight ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Jigging is a technique by which different particles can be Separated by particle shape Mixed Separated by particle size Separated by particle density Separated by particle shape Mixed Separated by particle size Separated by particle density ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a grinding operation, the limiting particle size is the size of the __________ particle in the sample. Neither A nor B Largest Smallest Either A or B Neither A nor B Largest Smallest Either A or B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ball mills and tube mills with flint or porcelain balls are used for size reduction of Asbestos Non-metallic ores Limestone Rubber Asbestos Non-metallic ores Limestone Rubber ANSWER DOWNLOAD EXAMIANS APP
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