Download PTU B.Tech 2020 March AE 6th Sem BTAE 601 Computer Aided Automotive Design Question Paper

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Roll No. HEEEEEEE [ ] Total No. of Pages : 02

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INSTRUCTION TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

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SECTION-A

1. Answer briefly :
   1. Leaf spring are made of which material?
   2. List some specification according to which vehicles are selected.
   3. What are the applications of toothed belt?
   4. Brief about choices of cycle for heavy duty vehicles.

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   5. What is function of piston rings?
   6. What types of stresses are generated in crankshaft?
   7. Draw curve for typical car acceleration in different vehicle speed.
   8. Define gradient resistance.
   9. Write note on king pin bearing.

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   10. What are the required properties of lubricant used in gear box?

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SECTION-B

1. Discuss design aspects of rolling type bearing.

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2. Step by step give the calculation and plotting curve of air and rolling resistance.
3. Calculate gear ratio for forward motion for four speed gear box.
4. Describe the operating variables which affect the performance and emission of vehicle.
5. Discuss in detail about value gear mechanism.

SECTION-C

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1. Draw and explain the circuit for control of steering system in automobile using hydraulic system.
2. Write note on :
   1. Solid state switches
   2. Teach pendent
3. Power is transmitted using V-belt drive: The included angle of V-groove is 30°. The belt is 20 mm deep and maximum width is 20 mm. if the mass of the belt is 0.35 kg per metre length and maximum allowable stress is 1.4 MPa, determine the maximum power transmitter when the angle of lap is 140°, p=0.15.

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NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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