Bundle: Automotive Technology: A Systems Approach, 6th + Online ASE Technician Test Preparation -Automotive Bi-Lingual Series (A6 - Electricity & ... Preparation -Automotive Bi-Lingual Series (A1
6th Edition
ISBN: 9781337217767
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Chapter 38, Problem 5RQ
Explain the role of shift rails and shift forks in the operation of a transmission or transaxle.
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A short brass cyclinder (denisty=8530 kg/m^3, cp=0.389 kJ/kgK, k=110 W/mK, and alpha=3.39*10^-5 m^2/s) of diameter 4 cm and height 20 cm is initially at uniform temperature of 150 degrees C. The cylinder is now placed in atmospheric air at 20 degrees C, where heat transfer takes place by convection with a heat transfer coefficent of 40 W/m^2K. Calculate (a) the center temp of the cylinder, (b) the center temp of the top surface of the cylinder, and (c) the total heat transfer from the cylinder 15 min after the start of the cooling. Solve this problem using the analytical one term approximation method. (Answer: (a) 45.7C, (b)45.3C, (c)87.2 kJ)
A short brass cyclinder (denisty=8530 kg/m^3, cp=0.389 kJ/kgK, k=110 W/mK, and alpha=3.39*10^-5 m^2/s) of diameter 4 cm and height 20 cm is initially at uniform temperature of 150 degrees C. The cylinder is now placed in atmospheric air at 20 degrees C, where heat transfer takes place by convection with a heat transfer coefficent of 40 W/m^2K. Calculate (a) the center temp of the cylinder, (b) the center temp of the top surface of the cylinder, and (c) the total heat transfer from the cylinder 15 min after the start of the cooling. Solve this problem using the analytical one term approximation method.
A 6 cm high rectangular ice block (k=2.22 W/mK, and alpha=0.124*10^-7 m^2/s) initially at -18 degrees C is placed on a table on its square base 4 cm by 4cm in size in a room at 18 degrees C. The heat transfer coefficent on the exposed surfaces of the ice block is 12 W/m^2K. Disregarding any heat transfer from the base to the table, determine how long it will be before the ice block starts melting. Where on the ice block will the first liquid droplets appear? Solve this problem using the analytical one-term approximation method.
Chapter 38 Solutions
Bundle: Automotive Technology: A Systems Approach, 6th + Online ASE Technician Test Preparation -Automotive Bi-Lingual Series (A6 - Electricity & ... Preparation -Automotive Bi-Lingual Series (A1
Ch. 38 - What determines whether a conventional...Ch. 38 - Name the three drive configurations that a gearset...Ch. 38 - True or False? A reverse idler gear changes the...Ch. 38 - Define the purpose of the final drive gears.Ch. 38 - Explain the role of shift rails and shift forks in...Ch. 38 - True or False? In most transmissions and...Ch. 38 - The number of gear teeth per unit of measurement...Ch. 38 - Which of the following gear ratios indicates an...Ch. 38 - Which type of gear develops gear whine at high...Ch. 38 - When an idler gear is placed between the driving...
Ch. 38 - The component used to ensure that the mainshaft...Ch. 38 - In a transaxle, the pinion gear on the pinion...Ch. 38 - True or False? The cone on a synchronizers...Ch. 38 - Which of the following gear ratios provides the...Ch. 38 - What does a shift blocking system do, and how does...Ch. 38 - Technician A says that most transaxles have a...Ch. 38 - While discussing the various types of...Ch. 38 - Technician A says that the countergear or cluster...Ch. 38 - Technician A says that reverse lamp switches are...Ch. 38 - Technician A says that if a single idler gear is...Ch. 38 - Technician A says that in a conventional...Ch. 38 - While discussing the power flow through a...Ch. 38 - Prob. 8ASRQCh. 38 - Prob. 9ASRQCh. 38 - While discussing shift mechanisms: Technician A...
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