Which one of the following is NOT a property of a sand mold?

Gating ratio of $$1:2:4$$ is used to design the gating system for magnesium alloy casting. This gating ratio refers to t

A casting of size $$100\,\,mm \times 100\,\,mm \times 50\,\,mm$$ is required. Assume volume shrinkage of casting $$2.6\%

Chapters are placed between mould and core surfaces in order to :

High speed electron beam welding is focused on the weld spot using

In resistance welding, heat is generated due to the resistance between

A $$900$$ $$mm$$ long steel plate is welded by manual metal arc welding process using welding current of $$150$$ $$A,$$

The cold cracking susceptibility of the heat affected zone in an arc weld is influenced by $$P.$$ Entraped hydrogen, $$

Which of the following process can be used for welding of Aluminium alloys $$P.$$ Submerged arc welding $$Q.$$ Gas metal

Match List - I (welding defects) with List - II (causes) and select the correct answer using the codes given below the l

A weld is made using $$MIG$$ welding process with the following welding parameters: Current: $$200A;$$ Voltage: $$25V;$$

A weld is made using $$MIG$$ welding process with the following welding parameters: Current: $$200A;$$ Voltage: $$25V;$$

Tool life equation for two tools under consideration are as follows $$\eqalign{ & HSS:\,\,\,\,\,\,\,\,\,\,\,\,\,V

Orthogonal machining of a steel work-piece is done with a $$HSS$$ tool of zero rake angle. The ratio of the cutting forc

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

A cylinder of $$25mm$$ diameter and $$100mm$$ length is turned with a tool, for which the relation $$V{T^{0.25}} = 55$$

The following data refers to an orthogonal machining of mild steel with a single point $$HSS$$ tool. Rake angle of tool

The following data refers to an orthogonal machining of mild steel with a single point $$HSS$$ tool. Rake angle of tool

Which one of the following is not a synthetic abrasive material

The flanks of teeth of rack-type gear cutter used for cutting involute gear profiles are:

The purpose of helical grooves in a twist drill is to $$1.$$ Improve the stiffness $$2.$$ Save a tool material $$3.$$

Match list - $${\rm I}$$ (machine tool) with list - $${\rm I}$$$${\rm I}$$ (machine tool part)

Match the mechanism with Machine

The drawing shows a machined shaft. The purpose of providing rounded grooves at $$M$$ and $$N$$ is to

When $$3-2-1$$ principle is used to support and locate a three dimensional work-piece during machining, the number of de

Cold working produces the following effects $$1.$$$$\,\,\,\,\,\,\,\,\,\,\,\,\,\,$$ Stress are set up in the material $$

Consider the following steps in forging a connecting rod from the bar stock $$1.$$ blocking $$\,\,\,\,\,\,\,\,\,$$ $$\,

In a single pass flat rolling operation, a $$400mm$$ wide steel strip having a thickness of $$10mm$$ is reduced to $$8mm

In a single pass flat rolling operation, a $$400$$ $$mm$$ wide steel strip having a thickness of $$10mm$$ is reduced to

Which one is not a method of reducing cutting forces to prevent the overloading of press

A hydraulic press is used to produce circular blanks of $$10$$ $$mm$$ diameter from a sheet of $$2$$ $$mm$$ thickness. I

Consider the following statements related piercing and blanking $$1.$$ Shear on the punch reduces the maximum cutting fo