Casting
1
GATE PI 2014
MCQ (Single Correct Answer)
+1
-0.3
Chills are used in casting moulds to
A
achieve directional solidification
B
reduce the roughness of top surface of the cast product
C
increase the solidification time
D
reserve excess molten metal
2
GATE PI 2013
MCQ (Single Correct Answer)
+1
-0.3
A cube shaped casting solidifies in $$5$$ min. The solidification time in min for a cube of the same material, which is $$8$$ times heavier than the original casting, will be
A
$$10$$
B
$$20$$
C
$$24$$
D
$$40$$
3
GATE PI 2011
MCQ (Single Correct Answer)
+1
-0.3
In sand casting fluidity of the molten metal increases with
A
Increases in degree of super-heat
B
Decrease in pouring rate
C
Increase in thermal conductivity of the mold
D
Increase in sand grain size.
4
GATE PI 2011
MCQ (Single Correct Answer)
+1
-0.3
Which of the following casting processes uses expandable pattern and expandable mold
A
Shell mod casting
B
Investment casting
C
Pressure die casting
D
Centrifugal casting
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