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Dear candidates you will find MCQ questions of Mechanical Operations here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

N

Nisha Gupta • 2.32K Points
Master

Q. 11) _______ is a cohesive solid.

(A) Wheat
(B) Sand
(C) Wet clay
(D) None of these
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N

Nisha Gupta • 2.32K Points
Master

Q. 12) _______ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals.

(A) Separation efficiency
(B) Selectivity index
(C) Concentration ratio
(D) None of these
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N

Nisha Gupta • 2.32K Points
Master

Q. 13) _______ is the most commonly used 'filter aid'.

(A) Diatomaceous earth
(B) Fuller's earth
(C) Vermiculite
(D) Semi-plastic clay
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N

Nisha Gupta • 2.32K Points
Master

Q. 14) ______ is the most suitable for compounding rubber and plastic solids.

(A) Banbury mixer
(B) Pan mixer
(C) Pug mill
(D) Charge can mixer
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N

Nisha Gupta • 2.32K Points
Master

Q. 15) ________ is used for producing a thick suspension from a thin slurry.

(A) Cartridge filter
(B) Rotary drum vacuum filter
(C) Pressure filter thickener
(D) Plate and frame filter press
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Nisha Gupta • 2.32K Points
Master

Q. 16) _______ mean diameter of particles is given by Σ (xi/Dpi ⃗)

(A) Mass
(B) Volume
(C) Arithmetic
(D) Volume surface
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Nisha Gupta • 2.32K Points
Master

Q. 17) _______ mill is normally used for grinding of talc.

(A) Tube
(B) Compartment
(C) Ring-roll
(D) Pebble
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Nisha Gupta • 2.32K Points
Master

Q. 18) _______ mill is not a revolving mill.

(A) Pebble
(B) Compartment
(C) Cage
(D) Tube
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Nisha Gupta • 2.32K Points
Master

Q. 19) _______ mill is not used for grinding wheat into flour and for milling of cereals & other vegetable products.

(A) Buhrstone
(B) Roller
(C) Attrition
(D) Pebble
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Nisha Gupta • 2.32K Points
Master

Q. 20) _______ mills are termed as disintegrators.

(A) Cage
(B) Compartment
(C) Pebble
(D) All tumbling
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