1
GATE PI 1991
Fill in the Blanks
+1
-0
Pressure die casting deals with casting metals of relatively ............. A ............. melting point and provides ........ B.......... production rate.

A. higher / lower,$$\,\,\,\,\,\,\,\,\,\,$$ B. higher / lower

2
GATE PI 1991
MCQ (Single Correct Answer)
+1
-0.3
The optimum pouring time for a casting depends on several factors. One important factor among them is
A
location of riser
B
porosity of sand mold
C
fluidity of casting metal
D
area of the pouring basin
3
GATE PI 1991
MCQ (Single Correct Answer)
+1
-0.3
Ceramic slurry is used in making the molds for
A
investment casting
B
die casting
C
shell mold casting
D
centrifugal casting
4
GATE PI 1991
Fill in the Blanks
+1
-0
Low permeability molds and low pouring temperature of the molten metal causes ......................... defect in castings.
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