Casting
1
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
$$40$$
2
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.
3
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
4
GATE PI 2010
MCQ (Single Correct Answer)
+1
-0.3
Solidification time of a metallic alloy casting is
A
Directly proportional to its surface area
B
Inversely proportional to the specific heat of the cast material
C
Inversely proportional to the thermal diffusivity of the mould material
D
Inversely proportional to the pouring temp
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