Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 41, Problem 3SA
When a transmission is described as having two planetary gearsets in tandem, what does this mean?
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4. Calculate the gear ratio for a planetary gear system if NI. = 90, NF 80, N2 = 40, N3 = 40.
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Define the motion of the last gear in a transmission that has even number of gears as well as the motion of the last gear in a transmission that has an odd number of gears
1- What is the benefit of
the epicyclic gear train?
Name some applications?
2- Why does efficiency
increase with increasing
load? What is the reason for
the difference between
practical and theoretical
efficiency?
3- What is the function of the
epicyclic system in the car when
turning?
Chapter 41 Solutions
Automotive Technology
Ch. 41 - Explain the difference between rotary and vortex...Ch. 41 - What component keeps the stator assembly from...Ch. 41 - When a transmission is described as having two...Ch. 41 - The four common configurations used as the final...Ch. 41 - Three major types of rubber seals are used in...Ch. 41 - How can shift feel be controlled?Ch. 41 - What determines the timing of the shifts in an...Ch. 41 - Why must hydraulic line pressures increase when...Ch. 41 - Three major types of rubber seals are used in...Ch. 41 - True or False? The vent in a transmission housing...
Ch. 41 - True or False? The Ravigneaux gearset has one sun...Ch. 41 - To achieve a slow overdrive in a simple planetary...Ch. 41 - In a simple planetary gearset, when the planetary...Ch. 41 - Overrunning clutches are capable of_______. a....Ch. 41 - In the coupling stage of conventional torque...Ch. 41 - What is necessary for torque converter clutch...Ch. 41 - Technician A says that bearings that take radial...Ch. 41 - Technician A says that rotary oil flow is the oil...Ch. 41 - Technician A says that a stator aids in directing...Ch. 41 - Technician A says that a Simpson gearset is two...Ch. 41 - Technician A says that that one of the primary...Ch. 41 - Technician A says that the purpose of a valve body...Ch. 41 - Technician A says that changes in engine load...Ch. 41 - Technician A says that the rear hub of the torque...Ch. 41 - While discussing a Lepelletier system: Technician...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- While discussing a Lepelletier system: Technician A says that two simple planetary gearsets are connected in tandem. Technician B says that these systems rely on various combinations of the planetary gears to obtain many forward gears. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forwardExplain the role of shift rails and shift forks in the operation of a transmission or transaxle.arrow_forwardWhile discussing the power flow through a five-speed transmission while it is in first gear: Technician A says that power enters on the input shaft, which rotates the countershaft that is engaged with first gear. Technician B says that the first gear synchronizer engages with the clutching teeth of first gear and locks the gear to the main shaft, allowing power to flow from the input gear through the countershaft and to first gear and the main shaft. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forward
- i need the answer quicklyarrow_forwardWhat are the gearbox lubricants used in and manual gearboxes?arrow_forwardwhat pushes the baulk ring onto the come on the gear when the sleeve starts to move on the hub? how does the baulk ring block the sleeve from engaing with the dog teeth on the gear before synchronization occurs? when would a noisy input shaft bearing be more noticeable? what is the difference between a fulltime and part-time four wheel (4WD) system?arrow_forward
- Q Explain the following terms with reference to Spur gears: ①Pitch circle 2 pressure angle 3 Circular Pitch ⑤Backlash ⑥ Base Circle 4 Addendumarrow_forwardExplain the operation principle of a differential system and how a differential system relates to epicyclic gear trainsarrow_forwardComposition of manual transmission.arrow_forward
- 2a-e. Outline five transmission problems its causes and their solutions.arrow_forwardUnits 5 & 6: Closed Gear Systems If two discs are fixed by an axis, their radial velocity and acceleration is equal. Essay Questions Multiple-Choice Question A. True B. False tandem are called what? What important element must we consider when re-scaling a gear system design? A. Space between the elements Cog C. Rack B. Recommended minimal element thickness C. Removal of support material is still possible D. None of the above D. Transmission g ng gearayoo ear teeth prevent eli C. Decreaseo D. Gear svstems are easy to design and manufacture Torce Ked ihe e uDove In Spur gear systems, the tooth profile is A. inclined to the axis of rotation. B. vertical to the axis of rotation. C. parallel to the axis of rotation. D. None of thesearrow_forward40. Calculate the final drive gear ratio for a differential using a ring gear with 49 teeth and a matching pinion gear with 15 teeth. You may use a calculator. Final gear ratio = %3Darrow_forward
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