48) When the tailstock is offset for taper turning, the centre line of the tailstock is

Inclined with the lathe bed at an angle equal to the angle of taper required

Inclined with the lathe bed one half of the angle of taper required

Still parallel with the lathe bed

Either 'A' or 'B'

Answer is:

Still parallel with the lathe bed

Carriage is to be locked

Compound rest is to be locked

Both ends

The centre

The headstock side

The tailstock side

Answer is:

Increase the feed rate

Reduce cutting speed

Decreases nose radios

Use negative top rake

Answer is:

Morse standard taper

Brown and sharpe taper

Jarno taper

Non-standard taper

Answer is:

Explanation:

Morse standard taper is used for making shank of lathe centres.