Q.1
In a shaper, the length of stroke is increased by
Q.2
Slow speed of the spindle is necessary in
Q.3
The crystal structure of austenite is
Q.4
The correct sequence of the following parameters in order of their maximum to minimum influence on tool life is
Q.5
In _________ operation, the chip thickness is minimum at the beginning of the cut and it reaches to the maximum when the cut terminates.
Q.6
Which type of motor is not used in axis or spindle drives of CNC machine tools?
Q.7
In a metal arc welding process, a gas metal arc welding with magnetized flux is used and can be done in all the positions i.e. flat position, vertical position or inclined position.
Q.8
Two 1 mm thick steel sheets are to be spot welded at a current of 5000 A. Assuming effective resistance to be 200 μm and current flow time of 0.2 second, heat generated during the process will be
Q.9
Which of the following statement is correct for oblique cutting system?
Q.10
The depth of cut in drilling is __________ the drill diameter.
Q.11
The maximum possible draft in cold rolling of sheet increases with the
Q.12
Allowance in limits and fits refers to
Q.13
In Oxyacetylene gas welding, temperature at the inner cone of the flame is around
Q.14
In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is
Q.15
The purpose of jigs and fixtures is to
Q.16
In plunge grinding
Q.17
In reaming process
Q.18
In a plain milling cutter, the portion of the gash adjacent to the cutting edge on which the chip impinges is called
Q.19
The tap used to cut threads in a blind hole is
Q.20
The addition of lead, sulphur and phosphorus to low carbon steels, help to
Q.21
In an interchangeable assembly, shafts of size 25.000 -0.010⁺⁰∙⁰⁴⁰ mm mate with holes of size 25.000 -0.020⁺⁰∙⁰³⁰, the maximum interference (in microns) in the assembly is
Q.22
The method of grinding used to produce a straight or tapered surface on a workpiece, is
Q.23
Glazing in grinding wheels can be decreased by
Q.24
In order to obtain a surface finish in the range of 0.75 μm to 1.25 μm , the operation used is called.
Q.25
Internal gear cutting operation can be performed by
Q.26
The cutting force in punching and blanking operations mainly depends on
Q.27
Which of the following engineering materials is the most suitable candidate for hot chamber die casting?
Q.28
In which of the following milling machine, the table can be tilted in a vertical plane by providing a swivel arrangement at the knee?
Q.29
When the tool moves parallel to the lathe axis, the movement is termed as
Q.30
The tail-stock set over required to turn a taper on the entire length of a workpiece having diameters D and d is
0 h : 0 m : 1 s