GATE PI 1989 | Casting Process Question 66 | Casting

GATE PI 1989

MCQ (Single Correct Answer)

-0.3

Green strength in powder metallurgy refers to the strength of

original material in the bulk form

the powder before compaction

The powder after compaction

The powder after sintering and cooling

GATE PI 1989

MCQ (Single Correct Answer)

-0.3

The process by which shell like castings (like toys) are made is

Shell molding

Centrifugal casting

Slush casting

Die casting

GATE PI 1989

Fill in the Blanks

-0

Poor collapsibility of the mold leads to .......... type of casting defect in aluminium castings.

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