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Answer the following problems in detail.

problem 1) Describe the use of ‘fast’ and ‘loose’ pulley with a sketch.

problem 2) What do you mean by 6 × 18/12/6/1 type of wire rope?

problem 3) How do we specify chains?

problem 4) How does a flywheel differ from a governor?

problem 5) Show with the help of diagrams superposition of pure torsional, direct shear and curvature shearing stresses in case of helical springs.

problem 6) What is the practical difficulty in operation of positive action jaw clutch?

problem 7) describe self-energizing brake in detail. When a brake becomes self locking?

problem 8) What do we understand by hydrodynamic lubrication in case of sliding contact bearings? How do we quantify it?

problem 9) How do we express the life of a spring? How are average life and rating life related?

problem 10) What do we understand by formative member of teeth as applied to gears?

Mechanical Engineering, Engineering

  • Category:- Mechanical Engineering
  • Reference No.:- M98914

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