The helix angle of a drill is more thanfor drilling aluminium.
Side relief angle of a single point tool is the angle
A dynamometer is a device used for the measurement of
In a single point turning operation with a cemented carbide and steel combination having a Taylor exponent of 0.if the cutting speed is halved, then tool life will become
The tool life is said to be over if
The operation performed on a shaper is
If the grain size is __________ the tool life is better.
Broaching is applied for machining
Chemical milling operation is performed
Flank wear is due to the abrasive action of hard mis-constituents including debris from built up edge as the work material rubs the work surface.
Half nut is used to lock the lathe carriage to the lead screw for thread cutting.
The thrust force will increase with the increase in
The operation of reproduction of an outline of a template on a workpiece is called face milling.
The advantage of a broaching operation is that
In drilling bakellite and fibrous plastics, the point angle of a drill is
Internal or external threads of different pitches can be produced by
Which of the following statement is correct in regard to centreless grinding?
In a shaper, the metal is removed during
The broaching operation in which the work moves past the stationary tool is called
The usual value of the point angle of a drill is
The tool life __________ as the cutting speed increases.
For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
Which of the following statement is correct about hot machining?
Continuous chips with built up edge are formed during machining of
The shear velocity is the velocity of
In centreless grinders, the regulating wheel is inclined at
In a shaper
The specific cutting energy used for establishing the machinability of the metal depends upon its
The aluminium oxide abrasive is chiefly used for grinding
For turning small taper on long workpiece, the suitable method is
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