1
GATE PI 2015
MCQ (Single Correct Answer)
+1
-0.3
Match the items in the first column to their functions in the second column. GATE PI 2015 Casting - Casting Process Question 10 English
A
$$P - 1,\,\,Q - 2,\,\,R - 3,\,\,S - 4$$
B
$$P - 2,\,\,Q - 4,\,\,R - 1,\,\,S - 3$$
C
$$P - 4,\,\,Q - 2,\,\,R - 1,\,\,S - 3$$
D
$$P - 2,\,\,Q - 4,\,\,R - 3,\,\,S - 1$$
2
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
3
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
$$40$$
4
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.
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