Automotive Technology: Principles, Diagnosis, and Service (5th Edition)
5th Edition
ISBN: 9780133994612
Author: James D. Halderman
Publisher: PEARSON
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Textbook Question
Chapter 30, Problem 3CQ
Technician A says that an Audi five-valve engine uses three intake valves and two exhaust valves. Technician B says that it uses three exhaust valves and two intake valves. Which technician is correct?
- a. Technician A only
- b. Technician B only
- c. Both Technicians A and B
- d. Neither Technician A nor B
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Please answer with the sketches.
The beam is made of elastic perfectly plastic material. Determine the shape factor for the cross
section of the beam (Figure Q3). [Take σy = 250 MPa, yNA = 110.94 mm, I = 78.08 x 106 mm²]
y
25 mm
75 mm
I
25 mm
200 mm
25 mm
125
Figure Q3
A beam of the cross section shown in Figure Q3 is made of a steel that is assumed to be elastic-
perfectectly plastic material with E = 200 GPa and σy = 240 MPa. Determine:
i.
The shape factor of the cross section
ii.
The bending moment at which the plastic zones at the top and bottom of the bar are 30
mm thick.
15 mm
30 mm
15 mm
30 mm
30 mm
30 mm
Chapter 30 Solutions
Automotive Technology: Principles, Diagnosis, and Service (5th Edition)
Ch. 30 - What is meant by the term crossflow head?Ch. 30 - Prob. 2RQCh. 30 - What is the recommended cylinder head...Ch. 30 - What are the advantages of using four valves per...Ch. 30 - Cylinder heads with four valves flow more air than...Ch. 30 - Two technicians are discussing a Hemi engine....Ch. 30 - Technician A says that an Audi five-valve engine...Ch. 30 - The gasket surface of a cylinder head, as measured...Ch. 30 - A warped aluminum cylinder head can be restored to...Ch. 30 - Some vehicle manufacturers recommend repairing...
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