Two involute gears are designed to mesh for a given centre distance and a given angular velocity ratio (other than 1). During assembly, the centre distance has increased slightly. Then which of the following changes occur?
(i) Velocity ratio changes
(ii) Pressure angle changes
(iii) Pitch circle diameter changes
(iv) Working depth changes
(v) Base circle radius changes
Select the correct answer using the code given below.
(a) 1, 2 and 3 (b) 2, 3 and 4
(c) 2 and 5 (d) 3 and 5