1
GATE ME 1991
MCQ (Single Correct Answer)
+1
-0.3
When there is no room temp change, the total shrinkage allowance on a pattern is INDEPENDENT OF
A
Pouring temp of the liquid metal
B
Freezing temp of the liquid metal
C
The component size
D
Coefficient of thermal contraction of solidified metal
2
GATE ME 1990
MCQ (Single Correct Answer)
+1
-0.3
The pressure at the in-gate will be maximum with the gating system
A
$$4:8:3$$
B
$$1:3:3$$
C
$$1:2:4$$
D
$$1:2:1$$
3
GATE ME 1989
MCQ (Single Correct Answer)
+1
-0.3
Chills are used in molds to
A
achieve directional solidification
B
reduce possibility of blow holes
C
reduce the freezing time
D
smoothen the metal for reducing spatter.
4
GATE ME 1989
MCQ (Single Correct Answer)
+1
-0.3
Increase in water content in moding sand causes
A
Flowability to go through a maxima
B
Permeability to go through a maxima
C
Compressive strength to go through a maxima
D
strength to go through a maxima
GATE ME Subjects
Turbo Machinery
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