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51.

Kind of tools used to undercut corners on a job that is to be hardened and ground is

52.

In a turret lathe a pre-selector is a device

A.	That is used to select in the job prior to loading	B.	That is used to decide the operation to be done on a job prior to a specific operation
C.	That is used to pre-select the spindle speed for the next operation in progress	D.	Used for feeding bar to chuck
E.	None of above

53.

Brown and sharpe taper is generally used in

54.

Taper gererally used in lathes now-a-days is

55.

Which one of the following methods cannot be used for turning internal tapers?

56.

In drilling operation if the drill point is outside the drill axis, the effect on the drilled hole will be

A.	The hole will become too large	B.	The hole will become elliptical
C.	The drilled hole will be normal	D.	The hole will be rough
E.	The hole will be smooth

57.

If a drill has different lengths of cutting edges

A.	The drilled hole will not be circular	B.	Cutting edge will become blunt rapidly
C.	Cutting edge will be over size	D.	The drilled hole will be rough
E.	The drilled hole will be smooth

58.

If a drill does not cut; the probable cause would be

59.

Simple indexing using a dividing head of turn ratio 40 for 6 division would be

A.	14 holes in 21 hole circle plate	B.	6 turns
C.	26 holes in 21 hole circle plate	D.	6 turns and holes in 21 hole circle plate
E.	6 turns and 14 holes in 30 hole circle plate

60.

Indexing for 107 divisions can be done by

A.	Simple indexing	B.	Compound indexing
C.	Differential indexing	D.	Compound differential indexing
E.	Angular indexing