1
GATE ME 1993
MCQ (More than One Correct Answer)
+1
-0.3
Centrifugally casted products have
A
Large grain structure with high porosity
B
Fine grain structure with high density
C
Fine grain structure with low density
D
Segregation of slug towards the outer skin of the casting
2
GATE ME 1992
MCQ (Single Correct Answer)
+1
-0.3
In a green sand moulding process, uniform ramming leads to
A
Less chance of gas porosity
B
Uniform flow of molten metal into the mould cavity
C
Greater dimensional stability of the casting
D
Less sand expansion type of casting defect
3
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
4
GATE ME 1991
MCQ (Single Correct Answer)
+1
-0.3
Converging passage is used for feeding the liquid molten metal into the mould to
A
Increase the rate of feeding
B
Quickly break off the protruding portion of the casting
C
Decrease wastage of cast metal
D
Avoid aspiration of air
GATE ME Subjects
Turbo Machinery
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12