Question

Match the type of gears with their most appropriate description                                            

Type of gear

(P) Helical

(Q) Spiral Bevel

(R) Hypoid

(S) Rack and pinion

Description

1. Axes non parallel and non intersecting
2. Axes parallel and teeth and inclined to the axis
3. Axes parallel and teeth are parallel to the axis
4. Axes are perpendicular and intersecting and teeth are inclined to the axis
5. Axes are perpendicular and used for large speed reduction
6. Axes parallel and on of the gears has infinite radius

      (a) P-2, Q-4, R-1, S-6

      (b) P-1, Q-4, R-5, S-6

      (c) P-2, Q-6, R-4, S-2

      (d) P-6, Q-3, R-1, S-5