Question Bank for Insem Examination
- Explain the standard system of gear tooth
- State and explain the different type of gear tooth failure with their causes and remedies.
- What are the causes of dynamic load in gears?
- Define wear strength of spur gear tooth. Explain in details.
- Explain the term effective load with reference to spur gear.
- Write the assumptions consider for beam Strength of Spur Gear. Derive an expression for beam strength
- of spur gear tooth
- What is virtual number of teeth in helical gears? Derive an expression for formative number of teeth in helical gears?
- Explain different type of lubricant used in gear drive
- With neat sketch, explain the force analysis of helical gear drive.
- Compare straight bevel, spiral bevel and hypoid gears with sketch. Also explain Hypoid gears.
- Obtain the expression for ratio factor (Q) used in wear strength equation of bevel gear.
- Explain beam and Wear strength for Bevel gear drive
- Derive an expression for Virtual number of teeth for Bevel gears?
- Explain the effective load on helical gear tooth. How to estimate the effective load on helical gear tooth
- Write the advantages and Disadvantages of worm gear drive over other gear drives.
- Derive the equation for Efficiency of worm and worm gear drive? Discuss factors affecting efficiency of
- worm gear pair?
- Write short note on thermal consideration in worm gear
- Explain force analysis of Worm Gear Drive
- Why worm gear is always weaker than the worm? In a design of worm gear pair why worm gear governs
- the design?
- Why worm and worm wheel are made of dissimilar material?
- Explain overhauling and self locking conditions for worm gearing?
Note :-
Probable marks pattern of Insem of DTS. Also Numerical can be asked for 10 marks as Numerical in part (b) then part (a) is for 5 marks.
This is a general guidelines but not necessarily to be followed in the SPPU Insem Exam.
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