gear type and applications

Question

1. List I (Ger types)

      (a) Worm gears

      (b) Cross helical gears

      (c) Bevel gears

      (d) Spur gears

List II (Applications)

1. Parallel shafts
2. Non-parallel, intersecting shafts
3. Non-parallel, non intersecting shafts
4. Large speed rations