manuel drivetrain and axle final

If a gear with 20 teeth is driving a gear with 60 teeth, the gear ratio is . 2:6 - Answer- 3:1 Technician A says a helical gear is stronger than a spur gear. Technician B says a helical gear is noisier than a spur gear. Which technician is correct? - Answer- Tech A only Which type of gear may be found in a rear-wheel-drive axel? - Answer- Hypoid The transmission is in first gear, which has a 2.5:1 ratio, and the rear axle has a ratio of 2:1. What is the overall ratio? - Answer- 5:1 The type of gear set used in most automatic transmissions is - Answer- planetary What shift mode should be used when descending a steep hill slowly? - Answer- Low(L) Full-time four-wheel-drive vehicles use _______. - Answer- 3 diffs In a rear axle, the drive pinion gear works with - Answer- a. a ring gear to change the direction of the power flowb. side gears to provide differential actionc. a ring gear to provide a gear reductiond. All of these are correct Hypoid ring and pinion gears are used in passenger car drive axles. Student A says that the concave side of the ring gear tooth is called the drive - Answer- Neither An overhung pinion uses (A) three pinion bearings or (B) a wide spacing between the two tapered roller bearings. Which is correct? - Answer- B only An overhung pinion uses ________. - Answer- two tapered roller pinion bearings Which of the following is not true about a hypoid gear set? - Answer- This is an efficient gear set with very little friction Which axle design is used for heavy duty vehicles? - Answer- Full floating A ring and pinion with a 3.76:1 ratio is classified as ________. - Answer- Hunting What is the dimension that is used to identify a 9 inch axle? - Answer- The diameter of the ring gear Most limited slip differentials transfer torque through ________. - Answer- The differential gears One or two clutch stacks