AUTOMOTIVE TECHNOLOGY-NATEF TASK SHEETS
6th Edition
ISBN: 9780135257418
Author: Halderman
Publisher: PEARSON
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Chapter 12, Problem 3CQ
To determine
The least number of locations at which measurement is to be carried out to check the crankshaft journal for out of round.
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An elastic bar of the length L and cross section area A is rigidly attached
to the ceiling of a room, and it supports a mass M. Due to the
acceleration of gravity g the rod deforms vertically. The deformation of
the rod is measured by the vertical displacement u(x) governed by the
following equations:
dx
(σ(x)) + b(x) = 0
PDE
σ(x) = Edx
du
Hooke's law
(1)
b(x) = gp=
body force per unit volume
where E is the constant Young's modulus, p is the density, and σ(x) the
axial stress in the rod.
g
* I u(x)
L
2
An elastic bar of the length L and cross section area A is rigidly attached
to the ceiling of a room, and it supports a mass M. Due to the
acceleration of gravity g the rod deforms vertically. The deformation of
the rod is measured by the vertical displacement u(x) governed by the
following equations:
dx
(σ(x)) + b(x) = 0
PDE
σ(x) = Edx
du
Hooke's law
(1)
b(x) = gp=
body force per unit volume
where E is the constant Young's modulus, p is the density, and σ(x) the
axial stress in the rod.
g
* I u(x)
L
2
Chapter 12 Solutions
AUTOMOTIVE TECHNOLOGY-NATEF TASK SHEETS
Ch. 12 - Explain how a micrometer is read.Ch. 12 - Describe how to check a crankshaft journal for...Ch. 12 - List engine components that can be measured with...Ch. 12 - Prob. 4RQCh. 12 - Prob. 5RQCh. 12 - Prob. 1CQCh. 12 - Prob. 2CQCh. 12 - Prob. 3CQCh. 12 - Prob. 4CQCh. 12 - To directly measure the diameter of a valve guide...
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