10) Which one of the following mechanisms is used to obtain rotary movement of slotter table ?

Rack and pinion mechanism

Worm and worm wheel mechanism

Bevel gear mechanism

Crank and slotted link mechanism

Answer is:

Worm and worm wheel mechanism

Explanation:

Worm and worm wheel mechanism mechanisms is used to obtain rotary movement of slotter table.

Cross feed

Longitudinal feed

Vertical feed

Rotary feed

Answer is:

Explanation:

Rotary feed is used for slotting a convex surface.

Whitworth mechanism

Crank and slotted link mechanism

Fast and loose pulley mechanism

Cam mechanism

Answer is:

Explanation:

The quick return motion in a slotter is obtained by Whitworth mechanism.

The diameter of the blank is less than that required

The flat-to-flat size is incorrect

Either 'A' or 'B'

Neither 'A' nor 'B'

Answer is:

Pawl and ratchet wheel mechanism

Worm and worm wheel mechanism

Cam mechanism

Bevel gear mechanism

Answer is:

Explanation:

Pawl and ratchet wheel mechanism is used for driving the main shaft of a slotter.