Automotive Technology: A Systems Approach - With Manual and Access
6th Edition
ISBN: 9781305513235
Author: ERJAVEC
Publisher: Cengage
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Chapter 51, Problem 7RQ
True or False? The name duo-servo drum brake is derived from the fact that the self-energizing force is transferred from one shoe to another with the wheel rotating forward.
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Calculate the vertical cross section moment of inertia for Orientations 1 and 2. State which number is the higher moment of inertia using equation 1. Given: b1=1 in, h1=1.5 in, b2=1.5 in, h2=1 in, t=0.0625 in. Then calculate the maximum deflection for a point load of 8 lb on the free end of the beam using equation 2. Given: E=10.1*10^6 psi.
1. ((bh^3)/12) - (((b-2t)(h-2t)^3))/12)
2. S = (PL^3)/(3EI)
1-69E The pressure in a natural gas pipeline is measured by the manometer shown in Fig. P1-69E with one of the arms open to the
atmosphere where the local atmospheric pressure is 14.2 psia. Determine the absolute pressure in the pipeline.
Natural
Gas
10 in
6 in
FIGURE P1-69E
Mercury
SG= 13.6
Air
2 in
+
25 in
Water
B
150 mm
120 mm
PROBLEM 15.193
The L-shaped arm BCD rotates about the z axis with a constant
angular velocity @₁ of 5 rad/s. Knowing that the 150-mm-
radius disk rotates about BC with a constant angular velocity
@2 of 4 rad/s, determine (a) the velocity of Point A, (b) the
acceleration of Point A.
Answers:
V₁ =-(0.600 m/s)i + (0.750 m/s)j - (0.600 m/s)k
a=-(6.15 m/s²)i- (3.00 m/s²)j
Chapter 51 Solutions
Automotive Technology: A Systems Approach - With Manual and Access
Ch. 51 - Name the two methods of attaching brake lining...Ch. 51 - Explain how drum brakes create a self-multiplying...Ch. 51 - List at least five separate types of wear and...Ch. 51 - What is the job of wheel cylinder stops?Ch. 51 - Explain the operation of an integral drum brake...Ch. 51 - In a typical drum brake, which component provides...Ch. 51 - True or False? The name duo-servo drum brake is...Ch. 51 - Prob. 8RQCh. 51 - Which of the following statements about drum brake...Ch. 51 - Brake linings should be replaced when. linings are...
Ch. 51 - In the unapplied position, drum brake shoes arc...Ch. 51 - Duo-servo drum brakes are also known as what type...Ch. 51 - On most vehicles, the automatic adjuster cables or...Ch. 51 - Backing plates, struts, levers, and other metal...Ch. 51 - A buildup of brake dust and dirt between the...Ch. 51 - Technician A says that an out-of-round drum can...Ch. 51 - Technician A says that a grinding noise from a...Ch. 51 - It has been determined that chatter and brake pull...Ch. 51 - Technician A says that the discard dimension of a...Ch. 51 - After resurfacing a brake drum: Technician A...Ch. 51 - Drum linings are badly worn at their heel and toe:...Ch. 51 - When machining brake drums: Technician A tries to...Ch. 51 - While discussing what would happen if too much...Ch. 51 - Technician A checks the surface of the drum for...Ch. 51 - While discussing pull during braking: Technician A...
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- Prob 5. Determine the largest load P that can be applied to the frame without causing either the average normal stress or the average shear stress at section a-a to exceed o-150 MPa and 1-60 MPa, respectively. Member CB has a square cross section of 25 mm on each side. 2 m FAC 1.5 m Facarrow_forwardDerive the component transformation equations for tensors shown below where [C] = [BA] is the DCM (direction cosine matrix) from frame A to B. ^B [T] = [C]^A [T] [C]^Tarrow_forwardCalculate for the vertical cross section moment of inertia for both Orientations 1 and 2 of a 1 x 1.5 in. horizontal hollow rectangular beam with wall thickness of t = 0.0625 in. Use the equation: I = ((bh^3)/12) - (((b-2t)(h-2t)^3)/12)arrow_forward
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