Theory of machines-1
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- What is a machine?
- Explain a kinematic chain.
- Name two inversions of single slider crank chain.
- What are the conditions for a coriolis acceleration to occur?
- Write two differences between Ackermann and Davis steering mechanisms.
- What is law of belting?
- Define pressure angle in case of cam and follower.
- What is the difference between brake and dynamometer?
- What is the difference between the punching press and when flywheel is fitted on engine in terms of turning moment variation?
- Explain hunting in case of governor.
- Differentiate between the kinematic pair and kinematic chain.
- Differentiate between completely constrained motion and successfully constrained motion with the help of suitable example.
- Explain why two Hooke’s joints are used to transmit motion from the engine to the differential of an automobile.
- What is meant by the term “Crowning of Pulleys”? Why is it done?
- How does the velocity ratio of a belt drive is effected when slip phenomenon is considered at the driver and the driven pulleys?
- What are the drawbacks of the single shoe brake over double shoe brake and how does double shoe brake eliminate these limitations?
- Differentiate between function of Governor and Flywheel.
- What is meant by term “Isochronous Governor”?
- Explain why higher pair cannot be inverted.
- Write the conditions of coriolois acceleration.
- Draw the diagram of pantograph.
- Write the equation of correct steering.
- What is law of belting?
- Which motion of follower is preferred for high speed engines?
- Which are the applications of centrifugal clutch?
- Explain coefficient of steadiness.
- Explain power of governor.
- Write the applications of cone clutch.
- What is the difference between kinetics and statics?
- What is meant by a fast pulley?