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Mechanical Operations

Mechanical Operations
Cyclones are used primarily for separating

Solids from fluids
Solids from solids
Solids
Liquids

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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
0.02 μm/s
22.1 μm/s
1 μm/s

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Mechanical Operations
Which is the most suitable conveyor for transportation of sticky material?

Pneumatic conveyor
Apron conveyor
Belt conveyor
Screw conveyor

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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

Cyclone separator
Bag filter
Wet scrubber
Electrostatic precipitator

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Mechanical Operations
Limestone is normally crushed in a

Ball mill
Roll crusher
Hammer crusher
Tube mill

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Mechanical Operations
Fluid energy mill comes in the category of

Ultrafine grinder
Grinder
Crusher
Cutter

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MORE MCQ ON Mechanical Operations

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