40) In a single spindle automatic lathe for bar work of Dia 25 mm capacity, collets are used to hold the bar stock. Which one of the following types of collets is suitable for this ?

Draw-in collet

Push type collet

Dead-length collet

Master collet with pads

Answer is:

Dead-length collet

The dead length collet front face

The parting off tool side face towards right of the operator

The parting off tool Side face towards left, of the operator

The Centre of the parting off tool shank

Answer is:

Bar loading

Bar feeding

Coolant circulation

Collet opening and closing

Answer is:

3,4,5

3,6,9

4,6,7

4,6,8

Answer is:

the number of toolings

the number of spindles on the machine

the range of speeds and feeds

the design of the cams controlling the slide movements

Answer is: