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Mechanical Operations

Mechanical Operations
Handling of ashes and similar materials can be done best by a __________ conveyor.

Ribbon
Belt
Flight
Drag or slat

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Mechanical Operations
Gummy & sticky materials like molasses, sugar etc. are best transported/handled by using a __________ conveyor.

Ribbon
Slat
Drag
Screw

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Mechanical Operations
In closed circuit grinding as compared to open circuit grinding, the

Production rate at a given limiting size is lower
Operation is economical
Product has lesser size uniformity
Specific surface of product is more

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Mechanical Operations
Shell and leaf filter as compared to plate and frame filter

Facilitates filtration under higher pressure
Provides more effective washing
Entails less labor cost
All of these

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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

Electrostatic precipitator
Cyclone separator
Bag filter
Wet scrubber

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Mechanical Operations
Screw conveyors are

Suitable for sticky materials
Run at very high rpm
All of these
Suitable for highly abrasive materials

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