Q.1.

The helix angle of a drill is more thanfor drilling aluminium.

Q.2.

Side relief angle of a single point tool is the angle

Q.3.

A dynamometer is a device used for the measurement of

Q.4.

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

Q.5.

The tool life is said to be over if

Q.6.

The operation performed on a shaper is

Q.7.

If the grain size is __________ the tool life is better.

Q.8.

Broaching is applied for machining

Q.9.

Chemical milling operation is performed

Q.10.

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.

Q.11.

Half nut is used to lock the lathe carriage to the lead screw for thread cutting.

Q.12.

The thrust force will increase with the increase in

Q.13.

The operation of reproduction of an outline of a template on a workpiece is called face milling.

Q.14.

The advantage of a broaching operation is that

Q.15.

In drilling bakellite and fibrous plastics, the point angle of a drill is

Q.16.

Internal or external threads of different pitches can be produced by

Q.17.

Which of the following statement is correct in regard to centreless grinding?

Q.18.

In a shaper, the metal is removed during

Q.19.

The broaching operation in which the work moves past the stationary tool is called

Q.20.

The usual value of the point angle of a drill is

Q.21.

The tool life __________ as the cutting speed increases.

Q.22.

For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is

Q.23.

Which of the following statement is correct about hot machining?

Q.24.

Continuous chips with built up edge are formed during machining of

Q.25.

The shear velocity is the velocity of

Q.26.

In centreless grinders, the regulating wheel is inclined at

Q.27.

In a shaper

Q.28.

The specific cutting energy used for establishing the machinability of the metal depends upon its

Q.29.

The aluminium oxide abrasive is chiefly used for grinding

Q.30.

For turning small taper on long workpiece, the suitable method is