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Mechanical Operations

Mechanical Operations
The distribution given by microscopic analysis of powder is

Area
Number
Volume
Length

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

Apron conveyor
Screw conveyor
Belt conveyor
Pneumatic conveyor

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Mechanical Operations
Use of 'grinding aids' is done in __________ grinding.

Intermediate
Ultrafine
Dry
Wet

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Mechanical Operations
Removal of activated carbon from glycerine is done by

None of these
Batch basket centrifuge
Rotary vacuum filter
Plate and frame filter

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Mechanical Operations
Filtration of water in a paper mill is done by a/an __________ filter.

Plate and frame
Open sand
Vacuum leaf
Sparkler

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Mechanical Operations
What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls?

2.76
1
0.5
0.66

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