1
GATE PI 2003
MCQ (Single Correct Answer)
+2
-0.6
Chapters are placed between mould and core surfaces in order to :
2
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 $$mm?$$
3
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
4
GATE PI 2002
MCQ (Single Correct Answer)
+2
-0.6
The permeability of molding sand was determined using a saturated $$AFS$$ sample by passing $$2000cc$$ of air at a gage pressure of $$10$$ $$g/c{m^2}$$. If the time taken for the air to escape was $$1$$ min, the permeability number is:
Questions Asked from Casting Process (Marks 2)
Number in Brackets after Paper Indicates No. of Questions
GATE PI 2017 (1)
GATE PI 2016 (1)
GATE PI 2015 (1)
GATE PI 2014 (1)
GATE PI 2012 (1)
GATE PI 2011 (1)
GATE PI 2010 (1)
GATE PI 2009 (1)
GATE PI 2008 (1)
GATE PI 2007 (3)
GATE PI 2006 (1)
GATE PI 2005 (2)
GATE PI 2004 (1)
GATE PI 2003 (3)
GATE PI 2002 (5)
GATE PI 1995 (1)
GATE PI 1994 (1)
GATE PI 1993 (1)
GATE PI 1992 (1)
GATE PI 1990 (1)
GATE PI 1989 (2)
GATE PI Subjects
Fluid Mechanics
Metrology
Theory of Machines
Engineering Mathematics
Machine Tools and Machining
Industrial Engineering
Engineering Mechanics
Strength of Materials
Thermodynamics
Machine Design
Casting
Joining of Materials
Metal Forming