The ductile materials, during machining, produce
When the metal is removed by erosion caused by rapidly recurring spark discharges between the tool and work, the process is known as
For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is
Tool signature consists of __________ elements.
In a plain milling cutter, the chip space between the back of one tooth and the face of the next tooth is called
A drill mainly used in drilling brass, copper or softer materials, is
The lathe centres are provided with standard taper known as
The lathe spindles at the nose end have
The grinding wheel speed (surface speed in m/min) usually varies from
In metal cutting operations, the shear angle is the angle made by the shear plane with the
In machining metal, cutting force at the cutting edge is measured by a
Which of the following statement is wrong?
Slow speed of the spindle is necessary in
Cemented carbide tools are generally poor in shear.
As the cutting speed increases, the tool cutting forces
The grinding of long, slender shafts or bars is usually done by
The negative rake is usually provided on
Crater wear is mainly due to the phenomenon known as
In which of the following machine, the work rotates and the tool is stationary?
In a planer
In a plain milling cutter, the portion of the gash adjacent to the cutting edge on which the chip impinges is called
The lip clearance angle is the angle formed by the
The factor considered for evaluation of machinability is
The floating position of the holding fixture in a rotary transfer device is used to
With the same tool life, the maximum material per minute is removed by
It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece. Which of the following machine will be used?
The hole drilled for tapping should be smaller than the tap size by twice the depth of thread.
Which of the following statement is wrong as regard to down milling?
Crater wear leads to
In centreless grinding, work place centre will be