1
GATE PI 1989
Fill in the Blanks
+1
-0
Poor collapsibility of the mold leads to .......... type of casting defect in aluminium castings.
2
GATE PI 1989
MCQ (Single Correct Answer)
+1
-0.3
The process by which shell like castings (like toys) are made is
A
Shell molding
B
Centrifugal casting
C
Slush casting
D
Die casting
3
GATE PI 1989
MCQ (Single Correct Answer)
+1
-0.3
Green strength in powder metallurgy refers to the strength of
A
original material in the bulk form
B
the powder before compaction
C
The powder after compaction
D
The powder after sintering and cooling
4
GATE PI 1989
MCQ (Single Correct Answer)
+2
-0.6
Shrinkage allowance on pattern is provided to compensate for shrinkage when
A
The temperature of liquid metal drops from pouring to freezing temperature
B
The metal changes from liquid to solid state at freezing temperature
C
The temperature of solid phase drops from freezing to room temperature
D
The temperature of metal drops from pouring to room temperature
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NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12