AUTOMOTIVE TECHNOLOGY TECH MANUAL
7th Edition
ISBN: 9781337794220
Author: ERJAVEC
Publisher: CENGAGE L
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Chapter 28, Problem 5SA
Why is the sulfur content in gasoline limited?
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The cable exerts a force of P = 4 kN at the end of the 8-m-long crane boom.
A
P
8 m
B
-x-
I'm
En
▾ Part A
If 0 = 30°, determine the placement x of the boom at B so that this force creates a maximum moment about point O.
Express your answer to three significant figures and include the appropriate units.
x = 9.81 m
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▾ Part B
What is this moment?
Express your answer to three significant figures and include the appropriate units. Assume the positive direction is
counterclockwise.
(Mo) max 43.7
=
E
?
N
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Chapter 28 Solutions
AUTOMOTIVE TECHNOLOGY TECH MANUAL
Ch. 28 - Pump gasoline may contain a small amount of...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 - What are oxygenates and why are they added to...Ch. 28 - Name three driveability factors that are affected...Ch. 28 - How does SCR lower the content in a diesels...Ch. 28 - Prob. 1TFCh. 28 - True or False? The diesel fuels antiknock quality...
Ch. 28 - True or False? Piezoelectric materials can emit a...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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- The bevel gear shown in is subjected to the force F which is caused from contact with another gear. Part A F (201+8j 15k) N 40 mm Determine the moment of this force about the y axis of the gear shaft. Express your answer with the appropriate units. My = Value Submit Request Answer ? Units 30 mmarrow_forwardConsider the beam in. Part A 1.5 ft 200 lb 200lb 2 ft 30° 1.25 ft 30° If F 90 lb, determine the resultant couple moment. = Express your answer in pound-feet to three significant figures. Assume the positive direction is counterclockwise. ΑΣΦ vec MR = Submit Request Answer ? lb.ftarrow_forward4. An operating parameter often used by power plant engineers is the heat rate. The heat rate is defined as, HR Qbioler Wnet where Qbioler is the heat transfer rate (Btu/h) to the water in the boiler due to the combustion of a fuel and Wnet is the net power (kW) delivered by the plant. In comparison, the thermal efficiency of the power plant is defined as, nth Wnet Qbioler where the numerator and denominator have the same units. Consider a power plant that is delivering 1000 MW of power while utilizing a heat transfer rate of 3570 MW at the boiler. Determine the heat rate and thermal efficiency of this power plant.arrow_forward
- The shaft shown in the sketch is subjected to tensile torsional and bending loads Determine the principal stresses at the location of stress concentration ✓ D=45MR F=3MM 1000-M 1000N チ d=30mm 500N 150 мм MM- 120 MA-arrow_forwardcalculate moment of inertia of this tapered beam structurearrow_forwardThe system shown below is in statics equilibrium. Cable OB lies in the xy plane and makes a 30° angle with the positive x-axis. Cable OA lies along the negative y-axis. If the weight of the load being supported is 100 lb, determine the magnitude of the forces in all four cables: OA, OB, OC, and OD.arrow_forward
- This is a mechanics/statics problem involving finding internal reactions, V(x) and M(x). Please refer to image for details. I'm not sure about where to take cuts and how to formulate the equations as a function of x. For my support Reactions I got Ay = 1008.33 lb, By = 1416.67 lb and Cy = 175 lb. and for the first cut V(x) = 1008.33 -250(x) and M(x) = 1008.33x - 125x^2. I'm struggling with the equations for the 2nd and 3rd cut.arrow_forwardAs shown in the figure below, a ring is used to suspend a load and is supported by Cable OA and Spring OB. Given that the tension in Cable OA is 400 N, what is the weight of the load being supported? Assume the system is in static equilibrium.arrow_forward4. (a) State the conditions that must be met to ensure dynamic balance is achieved for long rotors. (b) A rotor carries three out-of-balance discs in planes A, B and C as shown in Figure 4. The out-of- balance mass x radius products of the rotor discs are tabulated in Table 4. The shaft is to be dynamically balanced by adding balancing masses in planes P and Q, spaced along the shaft at a distance da = 800 mm. Determine the magnitude mara and angular position of the balancing mass x radius product that must be added to plane Q. MBB Ов θε mdc Мага End View on Plane P P MBB MATA dA dB dc do Figure 4 moc Table 4 MATA = 0.6 kg mm 6A = 0° d₁ = 200 mm mers = 0.2 kg mm 6g = 45° dB = 400 mm mcrc = 0.4 kg mm Bc=240° dc = 600 mm Ans. (b) = 110.5°, moro = 0.2 kg mmarrow_forward
- Need help in adding demensioning am am so confusedarrow_forwardComplete the following activity. Save as .pdf and upload to the assignment to the dropbox. 口 Use the general dimensioning symbols to correctly specify the following requirements on the drawing above.arrow_forwardplease solve and show workarrow_forward
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