GATE PI 2003
GATE PI
Which one of the following is NOT a property of a sand mold?
View Question A casting of size $$100\,\,mm \times 100\,\,mm \times 50\,\,mm$$ is required. Assume volume shrinkage of casting $$2.6\%
View Question Gating ratio of $$1:2:4$$ is used to design the gating system for magnesium alloy casting. This gating ratio refers to t
View Question Chapters are placed between mould and core surfaces in order to :
View Question High speed electron beam welding is focused on the weld spot using
View Question In resistance welding, heat is generated due to the resistance between
View Question A $$900$$ $$mm$$ long steel plate is welded by manual metal arc welding process using welding current of $$150$$ $$A,$$
View Question The cold cracking susceptibility of the heat affected zone in an arc weld is influenced by
$$P.$$ Entraped hydrogen,
$$
View Question Which of the following process can be used for welding of Aluminium alloys
$$P.$$ Submerged arc welding
$$Q.$$ Gas metal
View Question Match List - I (welding defects) with List - II (causes) and select the correct answer using the codes given below the l
View Question A weld is made using $$MIG$$ welding process with the following welding parameters: Current: $$200A;$$ Voltage: $$25V;$$
View Question A weld is made using $$MIG$$ welding process with the following welding parameters: Current: $$200A;$$ Voltage: $$25V;$$
View Question Tool life equation for two tools under consideration are as follows
$$\eqalign{
& HSS:\,\,\,\,\,\,\,\,\,\,\,\,\,V
View Question Orthogonal machining of a steel work-piece is done with a $$HSS$$ tool of zero rake angle. The ratio of the cutting forc
View Question A single point cutting tool with a nose radius of $$0.4$$ $$mm$$ was used to turn a component in a lathe employing a fee
View Question A cylinder of $$25mm$$ diameter and $$100mm$$ length is turned with a tool, for which the relation $$V{T^{0.25}} = 55$$
View Question The following data refers to an orthogonal machining of mild steel with a single point $$HSS$$ tool. Rake angle of tool
View Question The following data refers to an orthogonal machining of mild steel with a single point $$HSS$$ tool. Rake angle of tool
View Question Which one of the following is not a synthetic abrasive material
View Question The flanks of teeth of rack-type gear cutter used for cutting involute gear profiles are:
View Question The purpose of helical grooves in a twist drill is to
$$1.$$ Improve the stiffness
$$2.$$ Save a tool material
$$3.$$
View Question Match list - $${\rm I}$$ (machine tool) with list - $${\rm I}$$$${\rm I}$$ (machine tool part)
View Question Match the mechanism with Machine
View Question The drawing shows a machined shaft. The purpose of providing rounded grooves at $$M$$ and $$N$$ is to
View Question When $$3-2-1$$ principle is used to support and locate a three dimensional work-piece during machining, the number of de
View Question Consider the following steps in forging a connecting rod from the bar stock
$$1.$$ blocking $$\,\,\,\,\,\,\,\,\,$$ $$\,
View Question Cold working produces the following effects
$$1.$$$$\,\,\,\,\,\,\,\,\,\,\,\,\,\,$$ Stress are set up in the material
$$
View Question In a single pass flat rolling operation, a $$400mm$$ wide steel strip having a thickness of $$10mm$$ is reduced to $$8mm
View Question In a single pass flat rolling operation, a $$400$$ $$mm$$ wide steel strip having a thickness of $$10mm$$ is reduced to
View Question Which one is not a method of reducing cutting forces to prevent the overloading of press
View Question Consider the following statements related piercing and blanking
$$1.$$ Shear on the punch reduces the maximum cutting fo
View Question A hydraulic press is used to produce circular blanks of $$10$$ $$mm$$ diameter from a sheet of $$2$$ $$mm$$ thickness. I
View Question