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Mechanical Operations

Mechanical Operations
Raw materials are charged in the iron blast furnace using

None of these
Bucket elevator
Screw conveyor
Skip hoist

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

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

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Mechanical Operations
Wet grinding in a revolving mill __________ as compared to dry grinding.

Complicates handling of the product
Gives less wear on chamber walls
Requires more energy
Increases capacity

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Mechanical Operations
In case of a hammer crusher, the final product size depends on the

Clearance between hammer & grinding plates
Rotor speed
All of these
Feed rate

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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

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Mechanical Operations
Supporting legs of a plate and frame filter is normally made of

High speed steel
Stainless steel
Wooden plank
Cast iron

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