• Kinematic Pairs - 31010
• Inversion of Four Bar Chain - 31020
• Inversion of Slider Crank Chain - 31030
• Inversion of Double Slider Crank Chain - 31040
• Generation of Involute Gear Teeth- 31050
• Kiematics of Involute Gear Teeth - 31060
• Interference & Undercutting - 31070
• Single Shoe Brake - 31080
• Double Shoe Brake - 31090
• Band and Block Brake - 31100
• Disc Brake - 31110
• Internal Expanding Brake Clutch - 31120
• Single Plate Clutch - 31131
• Multi Plate Clutch - 31132
• Centrifugal Clutch - 31133
• Cone Clutch Gas Turbine - 31134
• Single Stage Gas Turbine - 31141
• Two stage Gas Turbine - 31142
• Steam Turbine - 31150
• Steam Engine - 31160
• Wankel Engine Cam And Follower - 31170
• Flat Cam With Translating Follower - 31181
• Radial Cam With Translating Follower - 31182
• Radial Cam With Oscillating Follower - 31183
• Cylindrical End Cam With Trnaslating Follower - 31184
• Cylindrical Cam With Oscillating Follower - 31185
• End Cam (Cylindrical)with Oscillaing Follower - 31186
• Quick Return Mechanism - 31186
• Crank And Slotted level Quick - 31191
• Return Mechamism - 31191
• Whitworth Quick Return Mechanism - 31192
• Draglink Quick Return Mechanism - 31193
• Types of Shaft Coupling - 31200
• Types of Drives - 31210
• Types of Threads - 31220
• Straigh Line Mechanism Boards - 31220
• Hart Straight Line Mechanism - 31231
• Peaucelliers Mechanism - 31232
• Scott - Russel Mechanism - 31233
• Watts Approximate S.L.Mechanism - 31234
• Generation of Cycloid And Trochoid - 31240
• Generation of Spiral - 31250
• Types of Centrifugal Impellers - 31260
• Types of Screw Fastenings - 31270