Q.1
The size of a lathe is specified by the
Q.2
What is the type of welding defect caused due to shrinkage during solidification and by weld stresses called?
Q.3
The high cutting speed and large rake angle of the tool will result in the formation of
Q.4
Volume of a cube of side ‘l’ and volume of a sphere of radius ‘r’ are equal. Both the cube and the sphere are solid and of same material. They are being cast. The ratio of the solidification time of the cube to the same of the sphere is
Q.5
The maximum production of small and slender parts is done by
Q.6
The method of centre less grinding used to produce taper is
Q.7
In a milling operation, two side milling cutters are mounted with a desired distance between them so that both sides of a workpiece can be milled simultaneously. This set up is called
Q.8
A tool used to withdraw a drill from the sleeve is called
Q.9
Which one of the following is a solid state joining process?
Q.10
The angle between the lathe centres is
Q.11
The taper on the lathe spindle is
Q.12
In _________ operation, the cutting force is maximum when the tooth begins its cut and reduces it to minimum when the tooth leaves the work.
Q.13
In a single point turning operation with a cemented carbide and steel combination having a Taylor exponent of 0.25, if the cutting speed is halved, then tool life will become
Q.14
The factor considered for evaluation of machinability is
Q.15
When the temperature of a solid metal increases,
Q.16
In lapping operation, the amount of metal removed is
Q.17
In metal machining, the zone where the maximum heat is generated due to the plastic deformation of metal, is called
Q.18
Which of the following operations can be performed with milling cutters?
Q.19
The tail stock set over method of taper turning is preferred for
Q.20
The swing diameter over the bed is ________ the height of the centre measured from the bed of the lathe.
Q.21
In a metal arc welding process, metal transfer across the arc may take place by a method of material transfer where the metal transfers across the arc is in larger drops. This is at the rate of 100 drops/sec or less, what is this known as
Q.22
A fine grained grinding wheel is used to grind
Q.23
A coarse grained grinding wheel is used to grind
Q.24
When the end of a tap is tapered for about three or four threads, it is known as a
Q.25
Gear burnishing is a process for
Q.26
Drilling is an example of
Q.27
NC contouring is an example of
Q.28
In machining metal, cutting force at the cutting edge is measured by a
Q.29
Trepanning is performed for
Q.30
A diamond locating pin is used in jigs and fixtures because
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