Q.1
With the same tool life, the maximum material per minute is removed by
Q.2
The trade name of a nonferrous cast alloy composed of cobalt, chromium and tungsten is called
Q.3
For generating a Coon’s surface we require
Q.4
Crater wear occurs mainly on the
Q.5
Flank wear occurs mainly on the
Q.6
The aluminium oxide abrasive is chiefly used for grinding
Q.7
In machining metals, surface roughness is due to
Q.8
For turning internal tapers, the suitable method is
Q.9
What is the type of joining process called, where the parts to be welded are kept in contact and rotated relative to each other and axial pressure is applied when the desired temperature is obtained?
Q.10
The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter 6.25 to 25 mm size and at a cutting velocity of 18 m/min is
Q.11
For turning small taper on long workpiece, the suitable method is
Q.12
In oblique cutting system, the maximum chip thickness
Q.13
The negative rake is usually provided on
Q.14
The grinding wheel speed (surface speed in m/min) usually varies from
Q.15
Which one among the following welding processes uses non-consumable electrode?
Q.16
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?
Q.17
What is the method of brazing used to join relatively small assemblies made from materials that either do not oxidize at the brazing temperature or can be protected from oxidation with a flux?
Q.18
Hardness of steel greatly improves with
Q.19
Side relief angle of a single point tool is the angle
Q.20
Side rake angle of a single point cutting tool is the angle
Q.21
The lathe spindles at the nose end have
Q.22
The broaching operation in which either the work or the tool moves across the other, is known as
Q.23
Which of the following statement is correct in regard to centreless grinding?
Q.24
In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness ratio is unaffected with the changed cutting conditions, the actual chip thickness will be
Q.25
A hole is of dimension φ = 9 ₊0⁺⁰∙⁰¹⁵ mm. The corresponding shaft is of dimension φ = 9 ₊0.001⁺⁰∙⁰¹⁰ mm. The resulting assembly has
Q.26
Chemical milling operation is performed
Q.27
A lead-screw with half nuts in a lathe, free to rotate in both directions has
Q.28
The height of each tooth of a broach is
Q.29
If the cutting speed is increased, then the built-up-edge
Q.30
For softer materials, the point angle of the drill is kept
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