EBK AUTOMOTIVE TECHNOLOGY
5th Edition
ISBN: 9780100659841
Author: Halderman
Publisher: YUZU
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Textbook Question
Chapter 19, Problem 1RQ
What is the difference between direct injection and indirect injection?
Expert Solution & Answer
To determine
The difference between direct and indirect injections.
Explanation of Solution
The differences between direct and indirect injections are shown in below table.
| S.No. | Direct injection | Indirect injection |
| 1 | The fuel is directly injected into the cylinder. | The fuel is injected into the cylinder through a pre-chamber by a narrow opening. |
| 2 | The first combustion occurs in the cylinder where the piston experiences a depression. | The first combustion occurs in the pre-chamber. |
| 3 | More efficient and more noise. | Less efficient and less noise. |
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motor supplies 200 kW at 6 Hz to flange A of the shaft shown in Figure. Gear B transfers 125 W of power to operating machinery in the factory, and the remaining power in the shaft is mansferred by gear D. Shafts (1) and (2) are solid aluminum (G = 28 GPa) shafts that have the same diameter and an allowable shear stress of t= 40 MPa. Shaft (3) is a solid steel (G = 80 GPa) shaft with an allowable shear stress of t = 55 MPa. Determine:
a) the minimum permissible diameter for aluminum shafts (1) and (2)
b) the minimum permissible diameter for steel shaft (3).
c) the rotation angle of gear D with respect to flange A if the shafts have the minimum permissible diameters as determined in (a) and (b).
Chapter 19 Solutions
EBK AUTOMOTIVE TECHNOLOGY
Ch. 19 - What is the difference between direct injection...Ch. 19 - What are the three phases of diesel ignition?Ch. 19 - Prob. 3RQCh. 19 - Prob. 4RQCh. 19 - What exhaust after-treatment is needed to achieve...Ch. 19 - What are the advantages and disadvantages of SCR?Ch. 19 - How is diesel fuel ignited in a warm diesel...Ch. 19 - Prob. 2CQCh. 19 - Prob. 3CQCh. 19 - Prob. 4CQ
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