In a plain milling machine, the table can be moved
Which of the following parameters influence the axial feed rate in centreless grinding?
The cutting speed of a drill varies from point to point on the cutting edge of the drill.
A dense structure of a grinding wheel is denoted by the number 9 toor higher.
A twist drill is specified by its
Ultra-sonic machining is best suited for
A jig is defined as a device which
The stroke of a shaping machine ismm. It makesdouble strokes per minute. The overall average speed of operation is
The saw milling is an operation of
The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter 6.tomm size and at a cutting velocity ofm/min is
The size of a shaper is given by
The size of abrasive grain required in a grinding wheel depends upon the
The type of tool used on milling machine and broaching machine is
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
A grinding wheel becomes glazed (i.e. cutting edge takes a glass-like appearance) due to
Internal gears can be made by
The abrasive slurry used in ultra-sonic machining contains fine particles of
The material which on machining produces chips with built up edge is
In drilling operation, the metal is removed by
A single point tool has
The lathe spindles are usually made hollow and provided with
In oblique cutting system, the maximum chip thickness
High speed steel tools retain their hardness upto a temperature of
The hole to be drilled for tapping is __________ the outside diameter of the thread on the tap.
In plunge grinding
Dielectric is used in
A mandrel is used to hold
The actual feed in centreless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions per minute, and α = Angle of inclination of wheel)
The high cutting speed and large rake angle of the tool will result in the formation of
The cutting speed of a drill depends upon the