Automotive Technology: A Systems Approach - With Manual and Access
6th Edition
ISBN: 9781305513235
Author: ERJAVEC
Publisher: Cengage
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Chapter 16, Problem 15RQ
While troubleshooting a problem, the key to identifying the exact cause of the problem is testing all of the vehicle’s components and circuits until the problem is found.
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4. 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.
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-
calculate moment of inertia of this tapered beam structure
Chapter 16 Solutions
Automotive Technology: A Systems Approach - With Manual and Access
Ch. 16 - How will an electrical circuit behave if there is...Ch. 16 - What happens to an electrical circuit when there...Ch. 16 - Prob. 3RQCh. 16 - Prob. 4RQCh. 16 - Wiring harnesses are typically shielded by plastic...Ch. 16 - True or False? The MIN/MAX function on some DMMs...Ch. 16 - True or False? A zero reading on an ohmmeter means...Ch. 16 - Prob. 8RQCh. 16 - What type of solder should be used to repair...Ch. 16 - Which of the following lab scope controls must be...
Ch. 16 - Prob. 11RQCh. 16 - Prob. 12RQCh. 16 - Prob. 13RQCh. 16 - Which of the following information is not given in...Ch. 16 - While troubleshooting a problem, the key to...Ch. 16 - While discussing electricity: Technician A says...Ch. 16 - While discussing NTC thermistors: Technician A...Ch. 16 - While measuring the resistance of a wire with an...Ch. 16 - While testing variable resistors: Technician A...Ch. 16 - Prob. 5ASRQCh. 16 - Technician A uses a testlight to test circuit...Ch. 16 - Technician A uses a testlight to detect...Ch. 16 - While diagnosing the location of a wire-to-wire...Ch. 16 - While measuring resistance: Technician A uses an...Ch. 16 - While discussing how to test a switch: Technician...
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- The 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_forwardThis 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_forward
- 4. (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_forwardNeed 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_forward
- please solve and show workarrow_forwardWater is boiling in a 25 cm diameter aluminum pan (k=237 W/mK) at 95 degrees C. Heat is transferred steadily to the boiling water in the pan through its .5 cm thick flat bottom at a rate of 800 W. if the inner surface temp of the bottom of the pan is 108 degrees C determine the boiling heat transfer coefficent on the inner surface of the pan and the outer surface temp of the bottom of the pan.arrow_forwardplease solve and show workarrow_forward
- please solve and show workarrow_forwardA thin plastic membrane separates hydrogen from air. The molar concentrations of hydrogen in the membrane at the innner and outer surfaces are determined to be 0.045 and 0.002 kmol/m^3 respectiveley. The binary diffusion coefficent of hydrogen in plastic at the operation temp is 5.3*10^-10 m^2/s. Determine the mass flow rate of hydrogen by diffusion through the membrane under steady conditions if the thickeness of the membrane is 2mm and 0.5 mm.arrow_forwardCalculate the vertical cross section moment of inertia for Orientations 1 and 2. State which number is the higher moment of inertia using equation 1. Given: b1=1 in, h1=1.5 in, b2=1.5 in, h2=1 in, t=0.0625 in. Then calculate the maximum deflection for a point load of 8 lb on the free end of the beam using equation 2. Given: E=10.1*10^6 psi. 1. ((bh^3)/12) - (((b-2t)(h-2t)^3))/12) 2. S = (PL^3)/(3EI)arrow_forward
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