The subject Theory of Machines may be defined as that branch of Mechanical Engineering, which deals with the study of relative motion between the various parts of a machine, and forces which act on them. The knowledge of this subject is very essential for an engineer in designing the various parts of a machine.1. Mechanisms and Machines2. Velocity Analysis3. Acceleration Analysis4. Computer-Aided Analysis of Mechanisms5. Graphical and Computer-Aided Synthesis of Mechanisms 6. Lower Pairs7. Cams8. Friction9. Belts, Ropes and Chains10. Gears11. Gear Trains12. Static Force Analysis13. Dynamic Force Analysis14. Balancing15. Brakes and Dynamometers16. Governors17. Gyroscope18. Vibrations19. Automatic ControlThis application contains multiple choice questions of all important topics of Theory of Machine in 13 sets with answer. This is helpful for preparation of competition exam and College study.