Tech Manual for Erjavec's Automotive Technology: A Systems Approach
6th Edition
ISBN: 9781133933731
Author: ERJAVEC, Jack, Thompson, Rob
Publisher: Delmar Cengage Learning
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Chapter 28, Problem 9RQ
What is particulate matter and when is it produced?
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B:
Find the numerical solution for the 2D equation below and calculate the temperature values for
each grid point shown in Fig. 2 (show all steps).
(Do only one trail using following initial values and show the final matrix)
[T1]
T₂
T3
[T] 1
=
[0]
0
0
d
dx
dx)
(ka)+4(ka)
=
dy
-20xy, k = 1 + 0.3 T
ge
L=3cm, 4x= Ay
B.Cs.:
at x=0=LT=0°C
at y=0-L T=10°C
Fig. (2)
: +0
العنوان
use only
Two rods fins) having same dimensions, one made orass (k = 85 Wm
K) and the mer of copper (k = 375 W/m K), having of their ends inserted
into a furna. At a section 10.5 cm a way from furnace, the temperature of
brass rod 120 Find the distance at which the ame temperature would be
reached in the per rod ? both ends are ex osed to the same environment.
ns
2.05
۲/۱
ostrar
For the beam show below, draw A.F.D, S.F.D, B.M.D
6 kN/m
1
M
B.
3
M M
Chapter 28 Solutions
Tech Manual for Erjavec's Automotive Technology: A Systems Approach
Ch. 28 - Pump gasoline may contain a small amount of...Ch. 28 - True or False? The diesel fuels antiknock quality...Ch. 28 - What percentage of ethanol does E85 contain?Ch. 28 - List five advantages the use of piezoelectric...Ch. 28 - What does the Reid vapor pressure (RVP) test...Ch. 28 - List three alternative fuels for an internal...Ch. 28 - Why is the sulfur content in gasoline limited?Ch. 28 - Prob. 8RQCh. 28 - What is particulate matter and when is it...Ch. 28 - What are oxygenates and why are they added to...
Ch. 28 - How does SCR lower the content in a diesels...Ch. 28 - True or False? Piezoelectric materials can emit a...Ch. 28 - Name three driveability factors that are affected...Ch. 28 - Which of the following statements about hydrogen...Ch. 28 - Which of the following chemicals is commonly added...Ch. 28 - Technician A says that the use of methanol in...Ch. 28 - Technician A says that reformulated gasoline...Ch. 28 - Technician A says that dedicated vehicles are...Ch. 28 - Technician A says white smoke in the exhaust of a...Ch. 28 - Technician A says piezo material is a type of...Ch. 28 - Prob. 6ASRQCh. 28 - While discussing chemicals that are currently...Ch. 28 - While discussing common rail fuel injection...Ch. 28 - Technician A says diesel engines consume less fuel...Ch. 28 - While discussing the reasons why the use of E85...
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- 1. Two long rods of the same diameter-one made of brass (k=85w/m.k) and the other made of copper (k=375 w/m.k) have one of their ends inserted into a furnace (as shown in the following figure). Both rods are exposed to the same environment. At a distance of 105 mm from the furnace, the temperature of the brass rod is 120°C. At what distance from the furnace will the same temperature be reached in the copper rod? Furnace 105 mm T₁ Brass rod ⑪ h Too- x2- Ti Copper rodarrow_forward: +0 العنوان use only Two rods fins) having same dimensions, one made orass (k = 85 Wm K) and the mer of copper (k = 375 W/m K), having of their ends inserted into a furna. At a section 10.5 cm a way from furnace, the temperature of brass rod 120 Find the distance at which the ame temperature would be reached in the per rod ? both ends are ex osed to the same environment. ns 2.05 ۲/۱ ostrararrow_forwardمشر on ۲/۱ Two rods (fins) having same dimensions, one made of brass(k=85 m K) and the other of copper (k = 375 W/m K), having one of their ends inserted into a furnace. At a section 10.5 cm a way from the furnace, the temperature brass rod 120°C. Find the distance at which the same temperature would be reached in the copper rod ? both ends are exposed to the same environment. 22.05 ofthearrow_forward
- The composite wall of oven with A= 1m² as in Fig.1 consists of three materials, two of with kA = 20 W/m K and kc = 50 W/m K with thickness, LA=0.3 m, L= 0.15 m and Lc 0.15 m. The inner surface temperature T1=900 K and the outer surface temperature T4 300 K, and an oven air temperature of To=1100 K, h=25 W/m². K. Determine kɛ and the temperatures T2 and T3 also draw the thermal resistance networkarrow_forwardTwo rods (fins) having same dimensions, one made of brass (k = 85 Wm K) and the other of copper (k = 375 W/m K), having one of their ends inserted into a furnace. At a section 10.5 cm a way from the furnace, the temperature of brass rod 120°C. Find the distance at which the same temperature would be reached in the copper rod ? both ends are exposed to the same environment. Ans 22.05arrow_forwardA long wire (k-8 W/m °C.) with ro 5 mm and surface temperature Ts=180°C as shown in Fig.2. Heat is generated in the wire uniformly at a rate of 5 x107 W/m³. If the energy equation is given by: d 11(77) + - =0 k r dr dr Derive an expression for T(r) and determine the temperature at the center of the wire and at r=2 mm. Air Th T KA LA T2 T3 T Fig.1 KB kc 180°C Го Fig.2arrow_forward
- B: Find the numerical solution for the 2D equation below and calculate the temperature values for each grid point shown in Fig. 2 (show all steps). (Do only one trail using following initial values and show the final matrix) T₂ 0 T3 0 I need a real solution, not artificial intelligence locarrow_forwardCan I solve this problem by calculating the initial kinetic energy with respect to G instead of A.arrow_forwardB: Find the numerical solution for the 2D equation below and calculate the temperature values for each grid point shown in Fig. 2 (show all steps). (Do only one trail using following initial values and show the final matrix) T₂ 0 T3 0 locarrow_forward
- Show all work. Indicate the origin that is used for each plane. Identify the Miller indices for the following planes. N 23 1 A) X B) yarrow_forwardthe following table gives weight gain time data for the oxidation of some metal at an elevated temperature W(mg/cm2). Time (min) 4.66 20 11.7 50 41.1 175 a) determin whether the oxidation kinetics obey a linear, parabolic, or logarithmic rate expression. b) Now compute W after a time of 1000 minarrow_forwardA cylindrical specimen of aluminum is pulled in tension. Use the stress v. strain plot below for this specimen of Al to answer parts (a) - (f). Hint: Each strain increment is 0.004. Be sure to include your engineering problem solving method per the class rubric. 400 350 300 250 Stress (MPa) 200 150 100 50 Aluminum (Stress v. Strain) 0 0 0.02 0.04 0.06 0.08 Strain 0.1 0.12 0.14 0.16 a. Compute the modulus of elasticity. b. Determine the yield strength at a strain offset of 0.002. c. Determine the tensile strength of this metal. d. Compute the ductility in percent elongation. e. Compute the modulus of resilience. f. Determine the elastic strain recovery for an unloaded stress of 340 MPa.arrow_forward
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