MECHANICAL OPERATIONS QUIZ

Filter medium resistance is important during the __________ of filtration.

None of these

Entire process

Early stages

Final stages

TRUE ANSWER : ?
YOUR ANSWER : ?

In paint industries, blending of light paste is done by using a

Charge can mixer

Masticator

None of these

Kneader

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one is a filter aid?

Calcined lime

None of these

Diatomaceous earth

Convas fabric

TRUE ANSWER : ?
YOUR ANSWER : ?

The speed of a rotary drum vacuum filter may be about __________ rpm.

50

100

500

1

TRUE ANSWER : ?
YOUR ANSWER : ?

Mixing mechanism employed in a pan mixer is by

Kneading

Dispersion

None of these

Mulling

TRUE ANSWER : ?
YOUR ANSWER : ?

Driving force in case of filtration by a centrifuge is the

Centrifugal pressure exerted by the liquid

Narrow diameter of the vessel

Formation of highly porous cake

Speed of the centrifuge

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following crushers can be considered as a combination of a jaw crusher and a roller crusher?

Fluid energy mill

Rod mill

Gyratory crusher

Ball mill

TRUE ANSWER : ?
YOUR ANSWER : ?

Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor.

Flight

Slat or drag

Ribbon

Screw

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following mineral dressing operations is termed as 'comminution'?

Tabling

Panning

Spiralling

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Ultrafine grinders operate principally by

Attrition

Slow compression

Impact

Cutting action

TRUE ANSWER : ?
YOUR ANSWER : ?

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