Casting
1
GATE PI 2006
MCQ (Single Correct Answer)
+1
-0.3
Cold shut is a defect in casting due to
A
sand sliding from the cope surface
B
internal voids or surface depression due to excessive gas trapped
C
discontinuity resulting from hindered contraction
D
two streams of material that are too cold to fuse properly
2
GATE PI 2005
MCQ (Single Correct Answer)
+1
-0.3
An expandable pattern is used in
A
slush casting
B
squeeze casting
C
centrifugal casting
D
investment casting
3
GATE PI 2004
MCQ (Single Correct Answer)
+1
-0.3
Wood flour is added to core sand to improve:
A
Collapsibility of core
B
Dry strength of core
C
Shear strength of core
D
Tolerance on casting
4
GATE PI 2003
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following is NOT a property of a sand mold?
A
Permeability
B
Collapsibility
C
Strength
D
Fluidity
GATE PI Subjects
Fluid Mechanics
Metrology
Theory of Machines
Engineering Mathematics
Heat Transfer
Machine Tools and Machining
Industrial Engineering
Engineering Mechanics
Strength of Materials
Thermodynamics
Machine Design
Casting
Joining of Materials
Metal Forming