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 1 μm/s 0.90 μm/s 22.1 μm/s 0.02 μm/s 1 μm/s 0.90 μm/s 22.1 μm/s 0.02 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill All of these Is long in comparison with its diameter Produces finer products Uses smaller balls All of these Is long in comparison with its diameter Produces finer products Uses smaller balls ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an Wet scrubber Cyclone separator Bag filter Electrostatic precipitator Wet scrubber Cyclone separator Bag filter Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the specific surface shape factor is given by A/V AD/V √(AD/V) D/V A/V AD/V √(AD/V) D/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Jigging is a technique by which different particles can be Separated by particle size Separated by particle density Mixed Separated by particle shape Separated by particle size Separated by particle density Mixed Separated by particle shape ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a filter medium in case of corrosive liquids? Metal cloth of monel or stainless steel Glass cloth Nylon Cotton fabric Metal cloth of monel or stainless steel Glass cloth Nylon Cotton fabric ANSWER DOWNLOAD EXAMIANS APP
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