Related Questions
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4
If the flame of the welding torch is directed towards the progress of welding, then what will you call the welding technique?
B. Flux cored ARC welding
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4
The helix angle of a drill is __________ for drilling brass.
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4
The usual value of the point angle of a drill is
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In metal cutting operations, the shear angle is the angle made by the shear plane with the
A. Direction of the tool axis
B. Direction of tool travel
C. Perpendicular to the direction of the tool axis
D. Central plane of the workpiece
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4
In down milling, the thickness of chip is
A. Minimum at the beginning of the cut and maximum at the end of the cut
B. Maximum at the beginning of the cut and minimum at the end of the cut
C. Uniform throughout the cut
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4
Which among the NC operations given below are continuous path operations? Arc Welding (AW), Drilling (D), Laser Cutting of Sheet Metal (LC), Milling (M), Punching in Sheet Metal (P), Spot Welding (SW)
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4
Surface grinding is done to produce
C. Internal cylindrical holes
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The relation between the tool life (T) in minutes and cutting speed (V) in m/min is (where n = An exponent, which depends upon the tool and workpiece, and C = A constant)
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What type of fusion welding process is used for welding sheet metals of all engineering metals (except Cu, Ag) in automobile and air craft industries, pipe and tubing production?
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4
In a plain milling cutter, the portion of the gash adjacent to the cutting edge on which the chip impinges is called
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4
The tailstock set over required to turn a taper on the entire length of a workpiece having diameters D and d is
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4
A lathe with four steps on the cone pulley and with back-gears will have
C. Four direct and four indirect speeds
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The enlarging of an existing circular hole with a rotating single point tool is called
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4
What is the type of welding defect caused due to poor manipulation of weld rod or a dirty joint called?
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4
Trepanning is performed for
A. Finishing a drilled hole
B. Producing a large hole without drilling
C. Truing a hole for alignment
D. Enlarging a drilled hole
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4
Gear burnishing is a process for
D. Removing residual stresses from teeth roots
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4
In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base, is known as
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4
The factor responsible for the formation of continuous chips with built up edge is
A. Low cutting speed and large rake angle
B. Low cutting speed and small rake angle
C. High cutting speed and large rake angle
D. High cutting speed and small rake angle
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4
A __________ grinding wheel is used to grind soft materials.
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4
The broaching operation in which the work moves past the stationary tool is called
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4
Low helix angle drills are preferred for drilling holes in
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4
In which of the following machine, the work remains stationary and the tool is rotated?
A. Vertical boring machine
B. Horizontal boring machine
C. Precision boring machine
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4
In centreless grinding, the surface speed of regulating wheel is
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4
Glazing in grinding wheels __________ cutting capacity.
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4
Hardness of steel greatly improves with
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4
The process of removing metal by a cutter which is rotated in the same direction of travel of workpiece, is called
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4
In a planer
A. Tool is stationary and work reciprocates
B. Work is stationary and tool reciprocates
C. Tool moves over stationary work
D. Tool moves over reciprocating work
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4
The size of abrasive grain required in a grinding wheel depends upon the
A. Amount of material to be removed
B. Hardness of material being ground
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4
What is the type of welding defect caused due to shrinkage during solidification and by weld stresses called?
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4
For harder alloy steel, the point angle of the drill is kept