37) A tool, which is used to enlarge a previously drilled hole is known as

Facing tool

Turning tool

Form tool

Boring tool

Answer is:

Boring tool

Explanation:

A tool, which is used to enlarge a previously drilled hole is known as Boring tool.

15 to 20 m / min

35 to 50 m / min

50 to 80 m / min

70 to 200 m / min

Answer is:

Front clearance angle increases

Front clearance angle decreases

Front clearance angle remains the same

Front clearance angle becomes zero

Answer is:

Carriage and compound slides are used

Cross slide and compound slides are used

Carriage and cross slide are used

Compound slide and apron are used

Answer is:

Explanation:

combination of cross slide and compound slides movements is used to turn a ball on a centre lathe with single point tool.

Morse taper

Jarno taper

Brown and sharpe taper

Metric taper

Answer is:

Explanation:

The taper provided in the nose of the tailstock barrel is Morse taper.