Casting
1
GATE PI 2004
MCQ (Single Correct Answer)
+2
-0.6
Match the items of List $${\rm I}$$ (Equipment) with the items of List $${\rm II}$$ (Process) and select the correct answer using the given codes GATE PI 2004 Casting - Casting Process Question 5 English
A
$$P - 2,\,\,Q - 1,\,\,R - 4,\,\,S - 5$$
B
$$P - 4,\,\,Q - 2,\,\,R - 3,\,\,S - 5$$
C
$$P - 4,\,\,Q - 5,\,\,R - 1,\,\,S - 2$$
D
$$P - 3,\,\,Q - 5,\,\,R - 2,\,\,S - 1$$
2
GATE PI 2003
MCQ (Single Correct Answer)
+2
-0.6
Chapters are placed between mould and core surfaces in order to :
A
Reduce directional solidification
B
Help local alloying of molten metal
C
Help easy removal of core from casting
D
Prevent core movement due to buoyancy
3
GATE PI 2003
MCQ (Single Correct Answer)
+2
-0.6
A casting of size $$100\,\,mm \times 100\,\,mm \times 50\,\,mm$$ is required. Assume volume shrinkage of casting $$2.6\% $$. If the height of the riser is $$80$$ $$mm$$ and riser volume desired is $$4$$ times the shrinkage in casting, what is the appropriate riser diameter in $$mm?$$
A
$$14.38$$
B
$$20.34$$
C
$$28.76$$
D
$$57.52$$
4
GATE PI 2003
MCQ (Single Correct Answer)
+2
-0.6
Gating ratio of $$1:2:4$$ is used to design the gating system for magnesium alloy casting. This gating ratio refers to the cross section areas of the various gating elements as given below

$$1.$$ $$Down$$ $$sprue$$ $$\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,$$ $$2.$$ $$runner$$ $$\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,$$ $$3.$$ $$Ingates$$
The sequence of the above elements in the ratio $$1:2:4$$ is

A
$$1,2$$ & $$3$$
B
$$1,3$$ & $$2$$
C
$$2,3$$ & $$1$$
D
$$3,1$$ & $$2$$
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