1
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
2
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
3
GATE PI 1995
True or False
+1
-0
Shell molding is an investment casting process $$(T/F)$$
A
TRUE
B
FALSE
4
GATE PI 1994
True or False
+1
-0
Bentonite is commonly used bonding material for dry sand cores
A
TRUE
B
FALSE
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