Theory of machines-2
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- Write the condition of equilibrium for a two force system.
- Describe the need for balancing of rotating parts.
- Write the disadvantage of helical gear over spur gear.
- Explain backlash in gears.
- Write the gear train used in differential gear and why?
- Define velocity ratio in context to gear train.
- Explain kinematic synthesis term.
- On what basis, is the minimum number of teeth on a gear determined?
- Describe primary balancing of reciprocating.
- Differentiate between working and total depth of gear.
- Write equations of equilibrium of a system.
- What is point of concurrency?
- Define couple.
- Explain equivalent offset inertia force.
- Why is balancing of machines necessary?
- What are the main advantages of double helical gear over single helical gear?
- What is the application of worm gear?
- Explain application of right hand screw rule as applicable to gyroscope.
- Explain number synthesis.
- Explain swaying couple.
- What are the conditions for a body to be in equilibrium under the action of two forces with a torque.
- What is meant by dynamically equivalent system?
- Define equivalent offset inertia force.
- Define the following terms as related to gears : Addendum, Pressure angle.
- What is the relation between the normal pitch, circular pitch and helix angle for helical gears?
- Define the hammer blow as related to balancing of locomotives.
- Differentiate between simple and compound gear trains.
- What is the need of having differential gear in a four wheeled vehicle?
- Explain the term as related to synthesis of mechanisms : motion generation.
- Explain the gyroscopic effect on two wheeled vehicles.