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## Marks 1

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Equal amounts of a liquid metal at the same temperature are poured into three moulds made of steel, copper and aluminum....
GATE ME 2016 Set 3
The welding process which uses a blanket of fusible granular flux is
GATE ME 2016 Set 2
The part of a gating system which regulates the rate of pouring of molten metal is
GATE ME 2016 Set 1
In full mould (cavity-less) casting process, the Pattern is made of
GATE ME 2015 Set 3
The hot tearing in a metal casting is due to
GATE ME 2014 Set 3
Match the casting defects (Group A) with the probable causes (Group B): ...
GATE ME 2014 Set 3
A cube shaped casting solidifies in $$5$$ min. The solidification time in min for a cube of the same material, which is ...
GATE ME 2013
Green sand mould indicates that
GATE ME 2011
Two streams of liquid metal, which are not hot enough to fuse properly, result into a casting defect known as
GATE ME 2009
Which of the following engineering materials is the most suitable candidate for hot chamber die casting
GATE ME 2007
An expendable pattern is used in
GATE ME 2006
Misrun is a casting defect which occurs due to
GATE ME 2004
Hardness of green sand mould increase with
GATE ME 2003
In centrifugal casting, the lighter impurities are
GATE ME 2002
The primary purpose of a sprue in a casting mold is to
GATE ME 2002
Shrinkage allowance on pattern is provided to compensate for shrinkage when
GATE ME 2001
GATE ME 2000
Which of the following materials requires the largest shrinkage allowance, while making a pattern for casting?
GATE ME 1999
Light impurities in the molten metal are prevented from reaching the mold cavity by providing a
GATE ME 1996
Centrifugally casted products have
GATE ME 1993
In a green sand moulding process, uniform ramming leads to
GATE ME 1992
When there is no room temp change, the total shrinkage allowance on a pattern is INDEPENDENT OF
GATE ME 1991
Converging passage is used for feeding the liquid molten metal into the mould to
GATE ME 1991
The pressure at the in-gate will be maximum with the gating system
GATE ME 1990
Increase in water content in moding sand causes
GATE ME 1989
Chills are used in molds to
GATE ME 1989
The contraction allowance provided on the pattern and core boxes compensates for the following type of contraction.
GATE ME 1988
Riser is designed so as to
GATE ME 1987

## Marks 2

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A sprue in a sand mould has a top diameter of $$20mm$$ and height of $$200mm.$$ The velocity of the molten metal at the ...
GATE ME 2017 Set 1
Heat is removed from a molten metal of mass $$2$$ $$kg$$ at a constant rate of $$10$$ $$kW$$ till it is completely solid...
GATE ME 2016 Set 1
Gray cast iron blocks of size $$100\,\,mm \times 50\,\,mm \times 10\,\,mm$$ with a central spherical cavity of diameter ...
GATE ME 2016 Set 2
A cylindrical job with diameter of $$200$$ $$mm$$ and height of $$100$$ $$mm$$ is to be cast using modulus method of ris...
GATE ME 2016 Set 1
Ratio of solidification time of a cylindrical casting (height $$=$$ radius) to that of a cubic casting of side two times...
GATE ME 2015 Set 3
The dimensions of a cylindrical side riser (height $$=$$ diameter) for a $$25cm \times 15cm \times 5cm$$ steel casting ...
GATE ME 2015 Set 3
A cube and a sphere made of cast iron (each of volume $$1000\,\,c{m^3}$$) were cast under identical conditions. The time...
GATE ME 2015 Set 2
The solidification time of a casting is proportional to $${\left( {{V \over A}} \right)^2},$$ Where $$V$$ is the volume ...
GATE ME 2015 Set 1
A cylindrical blind riser with diameter $$d$$ and height $$h,$$ is placed on the top of the mold cavity of a closed type...
GATE ME 2014 Set 3
A cylindrical riser of $$6$$ $$cm$$ diameter and $$6$$ $$cm$$ height has to be designed for a sand casting mould for pro...
GATE ME 2014 Set 4
An aluminium alloy (density $$2600$$ $$kg/{m^3}$$ ) casting is to be produced. A cylindrical hole of $$100$$ $$mm$$ diam...
GATE ME 2014 Set 1
A cubic casting of $$50mm$$ side undergoes volumetric solidification shrinkage and volumetric solid contraction of $$4\%... GATE ME 2011 For the case of molding, it is decided to replace a spherical riser of diameter$$100mm$$by a cylindrical riser. D... GATE ME 2010 In a gating system, the ratio$$1:2:4$$represents GATE ME 2010 Match the following ... GATE ME 2009 While cooling, a cubical casting of side$$40mm$$undergoes$$3\% ,\,\,4\% $$and$$5\% $$volume shrinkage during the l... GATE ME 2008 A$$200mm$$long down sprue has an area of cross section of$$650m{m^2}$$where the pouring basin meets the do... GATE ME 2007 Volume of a cube of a side$$''l''$$and volume of sphere of radius$$' r '$$are equal. Both the cube and the sphere ar... GATE ME 2007 If a particular$$Fe$$-$$C$$alloy contains less than$$0.83$$% carbon, it is called GATE ME 2007 In a sand casting operation, the total liquid head is maintained constant such that it is equal to the mould height. The... GATE ME 2006 Match List -$${\rm I}$$(products) with List -$${\rm II}$$(casting process) and select the correct answer using the c... GATE ME 2005 A mould has a downsprue whose length is$$20cm$$and the cross sectional area at the base of the down sprue is$$1\...
GATE ME 2005
Gray cast iron blocks $$200 \times 100 \times 10\,\,mm$$ are to be cast in sand moulds. Shrinkage allowance for pattern ...
GATE ME 2004
With a solidification factor of $$0.97 \times {10^6}s/{m^2},$$ the solidification time (in seconds) for a spherical cast...
GATE ME 2003
Match the following ...
GATE ME 1998
Only $$4$$ pairs can be matched : ...
GATE ME 1994
Match the following: ...
GATE ME 1992
Two cubical castings of the same metal and sizes of $$2cm$$ side and $$4cm$$ side are moulded in green sand. If the smal...
GATE ME 1989

## Marks 4

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Two castings, a cube and a slab of the same material solidify under identical conditions. The volumes of the castings ar...
GATE ME 2000
Two castings of the same metal have the same surface area one casting is in the form of a sphere and the other is a cub...
GATE ME 1998
Calculate the ratio of the solidification times of two steel cylindrical risers of sizes $$30cm$$ diameter by $$60$$ $$c... GATE ME 1992 A down sprue of$$180mm$$length has diameter of$$20mm$$at its top end. The liquid metal in the pouring cup is main-ta... GATE ME 1987 ## Marks 5 More In a particular mold design, the down sprue has an area of Cross section of$$6.45\,\,c{m^2}$$where the pouring basin l... GATE ME 1999 The pouring basin in a sand mold is$$200mm$$diameter$$100mm$$height. The mould cavity is a cube of$$125$$... GATE ME 1996 An aluminium cube of$$10cm$$side has to be cast along with a cylindrical riser of height equal to its diameter. T... GATE ME 1993 ## Marks 6 More A falk consisting of a cope and drag has the following dimensions: length$$300mm,$$width$$200mm,$$and total septh$$...
GATE ME 1991

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