1
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
The primary purpose of a sprue in a casting mold is to
A
Feed the casting at a rate consistent with the rate of solidification
B
Act as a reservoir for molten metal
C
Feed molten metal from the pouring basin to the gate
D
Help feed the casting until all solidification takes place
2
GATE ME 2002
MCQ (Single Correct Answer)
+1
-0.3
In centrifugal casting, the lighter impurities are
A
Uniformly distributed
B
Forced towards the outer surface
C
Trapped near the mean radius of the casting
D
Collected at the center of the casting
3
GATE ME 2001
MCQ (Single Correct Answer)
+1
-0.3
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
4
GATE ME 2000
MCQ (Single Correct Answer)
+1
-0.3
Disposable patterns are made of
A
Wood
B
Rubber
C
Metal
D
Polystyrene
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