MECHANICAL OPERATIONS QUIZ

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

Masticator

Charge can mixer

None of these

Kneader

TRUE ANSWER : ?
YOUR ANSWER : ?

For classification of potable (drinking) water, we use a __________ filter.

Vacuum leaf

Rotary vacuum

Plate and frame

Gravity sand

TRUE ANSWER : ?
YOUR ANSWER : ?

During filtration operation, the filtrate encounters the resistance of the

All of these

Filter medium

Cake

Channel carrying the slurry to the upstream side of the cake and filtrate away from the filter medium

TRUE ANSWER : ?
YOUR ANSWER : ?

A cottrel precipitator makes use of the __________ for dusty air cleaning.

Corrona discharge

Alternating current

Electric spark

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Size reduction does not occur due to compression in case of

Smooth roll crushers

Gyratory crushers

Rod mills

Jaw crushers

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following can be most effectively used for clarification of lube oil and printing ink?

Sparkler filter

Sharpies supercentrifuge

Precoat filter

Disc-bowl centrifuge

TRUE ANSWER : ?
YOUR ANSWER : ?

Trommels employ __________ for screening of materials.

None of these

Woven wire screen

Fibrous cloth

Punched plate

TRUE ANSWER : ?
YOUR ANSWER : ?

Coal is finally pulverised to 200 mesh size for burning in boilers by a

Roll crusher

Hammer crusher

Ball mill

Gyratory crusher

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Stainless steel

Wooden plank

High speed steel

Cast iron

TRUE ANSWER : ?
YOUR ANSWER : ?

There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores.

Tabling

Classification

Froth floatation

Jigging

TRUE ANSWER : ?
YOUR ANSWER : ?

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