| LIST I | LIST II |
| A. Involute Gear | I. Variable Pressure Angle |
| B. Cycloidal Gear | II. Constant Pressure Angle |
| C. Gyroscope | III. Sensitivity |
| D. Governor | IV. Stability |
The correct matching is as follows:
Therefore, the correct answer is Option 4: A - II, B - I, C - IV, D - III.
Match List I with List II:
| LIST I Mechanical Drive | LIST II Function |
|---|---|
| A. Cams | I. Lock a mechanism when it is holding a load. |
| B. Gears | II. Movement of one part relative to another with minimum friction and maximum accuracy. |
| C. Ratchets | III. Imparts a reciprocating or oscillatory motion to another body in contact. |
| D. Bearings | IV. Transmission of rotary motion between parallel and inclined shafts. |
Choose the correct answer from the options given below: