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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Chapter 52, Problem 1TF
True or False? Disc brakes are not as likely to fade during heavy braking as are drum brakes.
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In (Figure 1), take m₁ = 4 kg and mB = 4.6 kg.
Determine the z component of the angular momentum Ho of particle A about point O.
Determine the z component of the angular momentum Ho of particle B about point O. Suppose that
5 m
8 m/s
4 m
1.5 m
4 m
B
MB
1 m
2 m
5
30°
6 m/s
MA
The two disks A and B have a mass of 4 kg and 6 kg,
respectively. They collide with the initial velocities shown. The
coefficient of restitution is e = 0.75. Suppose that
(VA)1 = 6 m/s, (VB)₁ = 7 m/s. (Figure 1)
Determine the magnitude of the velocity of A just after impact.
Determine the angle between the x axis and the velocity of A just after impact, measured clockwise from the negative x axis.
Determine the magnitude of the velocity of B just after impact.
Determine the angle between the x axis and the velocity of B just after impact, measured clockwise from the positive x axis.
(VB)1
B
(VA)1
60°
Line of impact
A hot plane surface is maintained at 100°C, and it is exposed to air at 25°C.The combined heat transfer coefficient between the surface and the air is 25W/m²·K. (same as above). In this task, you are asked to design fins to cool asurface by attaching 3 cm-long, 0.25 cm-diameter aluminum pin fins (thermalconductivity, k = 237 W/m·K) with a center-to-center distance of 0.6 cm. (Tip:do not correct the length). Determine the rate of heat transfer from thefinned structure to the air for a 1 m x 1 m section of the plate.
Chapter 52 Solutions
Mindtap For Erjavec/thompson's Automotive Technology: A Systems Approach, 4 Terms Printed Access Card (mindtap Course List)
Ch. 52 - Name the three major assemblies that make up a...Ch. 52 - Name the three types of calipers used on disc...Ch. 52 - Describe the differences between floating and...Ch. 52 - What is the difference between floating and...Ch. 52 - What is rotor parallelism and how is it checked?Ch. 52 - Why is brake fluid removed from the master...Ch. 52 - Describe the procedure for using compressed air to...Ch. 52 - List three conditions that dictate that a rotor...Ch. 52 - Give two main advantages of an on-vehicle lathe...Ch. 52 - What should be done to remove rust, corrosion, pit...
Ch. 52 - What type of brake uses the inside of each rear...Ch. 52 - True or False? Disc brakes are not as likely to...Ch. 52 - True or False? All calipers have at least one...Ch. 52 - Which term refers to variations in thickness of...Ch. 52 - Which of the following is not likely to cause a...Ch. 52 - Technician A says that a hard brake pedal on a...Ch. 52 - When replacing brake pads on a vehicle: Technician...Ch. 52 - When examining disc brakes: Technician A visually...Ch. 52 - When reassembling an overhauled brake caliper:...Ch. 52 - While discussing how to remove the piston from a...Ch. 52 - The functions of a splash shield are being...Ch. 52 - Technician A says that the piston seal retracts...Ch. 52 - Technician A says that fixed calipers use a piston...Ch. 52 - While installing new brake pads: Technician A...Ch. 52 - Loaded calipers are being discussed: Technician A...
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