Casting
1
GATE PI 1994
True or False
+1
-0
Bentonite is commonly used bonding material for dry sand cores
A
TRUE
B
FALSE
2
GATE PI 1992
MCQ (Single Correct Answer)
+1
-0.3
Chaplets are placed between mold in order to
A
promote directional solidification
B
help alloying the metal
C
facilitate easy removal of core from casting
D
prevent core movement due to buoyancy
3
GATE PI 1992
Fill in the Blanks
+1
-0
Investment casting uses ...... A........... as pattern material and is preferred for small parts with .......... B.........designs.

A. wax / resin coated sand
B. simple / intricate

4
GATE PI 1992
MCQ (Single Correct Answer)
+1
-0.3
Increase in carbon content in plain carbon steels raise its
A
Ductility and UTS
B
Tensile strength and malleability
C
Tensile strength and hardness
D
Ductility and melting temperature
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