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Automobile Engineering: Clutch, Transmission, Propeller Shaft and Axle
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Automobile Engineering: Clutch, Transmission, Propeller Shaft and Axle
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25 Questions

1. Where is the differential located?
2. If there are 7 clutch plates in a multi-plate clutch, what is the number of pair of contact surfaces?
3. The axes of the two shafts are intersecting and are at 35° to each other. These two shafts are connected by Hook’s joint. At which position of the drives shaft velocity ratio will not be unity?
4. In which of the gearbox sun and planet gear set is used?
5. Which of the following parts of the cover assembly that hold the pressure plate against the clutch plate?
6. Which of the following is the disadvantage of the cone clutch?
7. Why are the helical gears used commonly in transmission over spur gears?
8. In which of the configuration of epicyclic gearbox output will be forward and fast output speed?
9. Which of the following is not part of automatic transmission?
10. External diameter of the clutch facing is limited to 120 mm and the inner diameter may be assumed to be 0.3 times the external diameter. Assume uniform wear theory. What is the effective mean radius?
11. Increase of torque in a vehicle is obtained by decreasing power.
12. In which of the gearbox all gears are always in contact?
13. Which of the following is the disadvantage of the open differential?
14. Where is the overdrive located?
15. A two-piece propeller shaft requires one universal joint.
16. Which of the following contains no linkage between the clutch and the pedal?
17. Why do the hypoid gears require special lubricant?
18. Where is the clutch located?
19. Which of the following is the coefficient of friction of the clutch plate?
20. The external radius of the cone clutch is 120 mm and the internal radius is 80 mm. The cone angle is kept at 20°. What is the effective mean radius assuming the uniform wear theory?
21. What is the need of the universal joint?
22. The axes of the two shafts are intersecting and are at 35° to each other. These two shafts are connected by Hook’s joint. At which position of the drives shaft acceleration will be maximum?
23. The axes of the two shafts are intersecting and are at 30° to each other. These two shafts are connected by Hook’s joint. At which position of the drives shaft velocity ratio will be minimum?
24. Which of the following is the need of the gearbox?
25. The clutch plate has 160 mm inside and 240 mm outside diameter. The total force provided by the springs is 5 kN, when the clutch is new. The coefficient of friction is 0.4. What is the torque transmitted?