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?1. Velocity ratio changes2. Pressure angle changes3. Pitch circle diameter changes4. Working depth changes5. Base circle radius changesSelect 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