EBK AUTOMOTIVE TECHNOLOGY
5th Edition
ISBN: 8220100659843
Author: Halderman
Publisher: PEARSON
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Textbook Question
Chapter 17, Problem 4RQ
What are four lubricants that a manual transmission/transaxle may require, depending on exact year, make, and model of the vehicle.
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Why do you think a 5-speed manual Ford Mustang is geared as followed?
Gear 1, 3.35:1 Ratio
Gear 2, 1.93:1 Ratio
Gear 3, 1.29:1 Ratio
Gear 4, 1.00:1 Ratio
Gear 5, 0.68:1 Ratio (Overdrive)
Question 1
The coefficient of efficiencies between different transmission elements are not usually at the same
value. Table 1 below, shows the efficiencies of different transmission elements. Analyze table 1
and answer the questions below.
Table 1: Coefficient of Efficiencies between the transmission elements
Coefficient
Types of Transmission or
Support
of
Efficiency
Belt Drive with flat belt
0.98
Belt drive with V-Belt
0.96
Spur Gear drive
Helical Gear Drive
0.98
0.97
Bevel Gear Drive
0.96
Ball or Roller Bearing
0.995
Crank and Slider mechanism
Jaw Clutch
Multiple-disc friction clutch
operating in oil
0.9
0.95
0.9
a) How are these coefficient values are calculated?
b) Base on your analysis, why the value of Belt Drive with V-Belt is having a lower coefficient
compared to flat belt?
c) Define the highest coefficient of efficiency and state one (1) reason of why.
What is the importance of studying on how to pull-out and mount manual transmission?
Chapter 17 Solutions
EBK AUTOMOTIVE TECHNOLOGY
Ch. 17 - Why should brake fluid not be filled above the...Ch. 17 - Why should brake fluid be kept in an airtight...Ch. 17 - How do you check differential fluid?Ch. 17 - What are four lubricants that a manual...Ch. 17 - When should the engine oil be replaced? a....Ch. 17 - Prob. 2CQCh. 17 - Prob. 3CQCh. 17 - Prob. 4CQCh. 17 - Coolant can be checked using ____________. a....Ch. 17 - Accessory drive belt tension is determined by...
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