Casting
1
GATE PI 1992
MCQ (Single Correct Answer)
+1
-0.3
The primary function of a riser is to
A
feed molten metal to casting as it solidifies
B
prevent atmospheric air from contaminating the metal in the mold
C
allow gases to easily escape from mold cavity
D
allow molten metal to rise above the mold cavity
2
GATE PI 1992
Fill in the Blanks
+1
-0
Investment casting uses ......... (wax / resin coated sand) as pattern material and is preferred for small parts with ................. (simple/intricate) designs
3
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

4
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
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