Mindtap For Erjavec/thompson's Automotive Technology: A Systems Approach, 4 Terms Printed Access Card (mindtap Course List)
7th Edition
ISBN: 9781337794381
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Textbook Question
Chapter 43, Problem 6ASRQ
While checking the condition of a car’s ATF: Technician A says that if the fluid has a dark brownish or blackish color and/or a burned odor, the fluid has been overheated. Technician B says that if the fluid has a milky color, this indicates that engine coolant has been leaking into the transrnissions cooler. Who is correct?
a. Technician A only
b. Technician B only
c. Both A and B
d. Neither A nor B
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56
Clamps like the one shown are commonly used in
woodworking applications. This clamp has the dimensions
given in the table below the figure, and its jaws are
mm thick (in the direction perpendicular to the plane of the
picture).
a.) The screws of the clamp are adjusted so that there is a
uniform pressure of P = 150 kPa being applied to the
workpieces by the jaws. Determine the force carried in each
screw. Hint: the uniform pressure can be modeled in 2-D as a
uniform distributed load with intensity w = Pt (units of
N/m) acting over the length of contact between the jaw and
the workpiece.
b.) Determine the minimum vertical force (parallel to the
jaws) required to pull either one of the workpieces out of the
clamp jaws. Use a coefficient of static friction between all
contacting surfaces of μs = 0.56 and the same clamping
pressure given for part (a).
2013 Michael Swanbom
A
B
C
a
Values for dimensions on the figure are given in the following
table. Note the figure may not be to scale.…
Determine the force in each member of the space truss given
F=5 kN. Use positive to indicate tension and negative to
indicate compression.
F
E
Z
-2 m.
B
3 m
C
5 m
3 m
A
-4 m.
AB
=
KN
FAC =
FAD =
KN
KN
KN
FBC =
KN
FBD
FBE
=
=
KN
F
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)
Chapter 43 Solutions
Mindtap For Erjavec/thompson's Automotive Technology: A Systems Approach, 4 Terms Printed Access Card (mindtap Course List)
Ch. 43 - What is the most probable cause of a low fluid...Ch. 43 - What does milky colored ATF indicate?Ch. 43 - What do varnish or gum deposits on the dipstick...Ch. 43 - Typically during a pressure test, the pressure...Ch. 43 - List five reasons for replacing a torque...Ch. 43 - Explain why oil circuit diagrams are invaluable...Ch. 43 - Explain how a plugged fluid cooler can cause a...Ch. 43 - What is checked during a stall test?Ch. 43 - Ifa transmission does not have a dipstick, how do...Ch. 43 - What should you do if a valve does not move freely...
Ch. 43 - Which of the following is the most likely cause...Ch. 43 - When should the ATF level be checked on most...Ch. 43 - Pressure readings reveal possible problems in...Ch. 43 - Which of the following is a probable cause for a...Ch. 43 - When rebuilding an automatic transmission, which...Ch. 43 - Technician A says that a prerequisite to accurate...Ch. 43 - While discussing proper band adjustment...Ch. 43 - Technician A says that if the shift for all...Ch. 43 - Technician A says that the only positive way to...Ch. 43 - Technician A says that delayed shifting can be...Ch. 43 - While checking the condition of a cars ATF:...Ch. 43 - While discussing the results of an oil pressure...Ch. 43 - While discussing a pressure test: Technician A...Ch. 43 - While checking the engine and transmission mounts...Ch. 43 - While discussing the cause of aerated fluid in a...
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