Design of machine elements-2
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- What is backlash in gear tooth?
- What is the condition for self-locking block brake?
- Mention at least four major advantages ofV-belt drive over flat-belt drive.
- Explain the meaning and significance of' spring index'.
- What are the criteria for the selection of weaker between pinion and gear while designing a gear drive?
- Differentiate between herringbone and double helical gear.
- What is the use of flywheel in punching press?
- Write and explain the load-life relation for a roller bearing.
- What is polygonal effect in a chain drive?
- List the bearing performance parameters.
- Distinguish between ‘Hydro-dynamic bearings’ and ‘Hydro-static bearings’.
- Define ‘Bearing Modulus’.
- What is the effect of pre-loading of tension springs?
- List the advantages and disadvantages of Worm Gear drives.
- What is the effect of centre distance and pulley size, on the life of a belt?
- ‘Chain drive has some features of belt drive, and some of the gear drive’. Explain.
- Describe a band brake.
- What is a positive clutch?
- What is a function of a flywheel?
- Discuss about the various types of stresses induced in a flywheel rim.
- Sketch a 6×19 wire rope and name its parts.
- What is back cone in bevel gear?
- List the material used for components of rolling contact bearing.
- Differentiate between sliding contact & rolling contact bearings.
- Why the arms of a flywheel tapered?
- Explain the following terms of spring : I. Spring rate II. Solid length
- What is the function of centre bolt in a leaf spring?
- What is the most commonly used clutch in bikes?
- What are the materials used for brake linings?
- What do you understand by the terms ‘long shoe’ and ‘short shoe’ as applied to shoe brakes?