AUTOMOTIVE TECHNOLOGY TECH MANUAL
7th Edition
ISBN: 9781337794220
Author: ERJAVEC
Publisher: CENGAGE L
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Chapter 20, Problem 1ASRQ
While troubleshooting a headlight problem: Technician A says that when one headlamp does not work, the problem may be a burned-out bulb or lamp. Technician B says that you should check for voltage at the bulb before replacing a bulb. Who is correct?
- Technician A
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Chapter 20 Solutions
AUTOMOTIVE TECHNOLOGY TECH MANUAL
Ch. 20 - What lighting systems are controlled by the...Ch. 20 - What is a CHMSL?Ch. 20 - How many wires are normally connected to a double...Ch. 20 - What are the most probable causes for one low-beam...Ch. 20 - Why do some manufacturers protect the headlamp...Ch. 20 - What types of headlights do not have a filament?Ch. 20 - What is the primary tool used to diagnose an auto...Ch. 20 - True or False? HID lamps produce more heat and...Ch. 20 - True or False? The headlights on many adaptive...Ch. 20 - True or False? All turn signal flasher units...
Ch. 20 - Which of the following may cause the turn signal...Ch. 20 - Circuits that can energize the high beams even if...Ch. 20 - Which of the following would probably not cause...Ch. 20 - The stoplight switch is normally mounted on the...Ch. 20 - Which of the following is not a true statement...Ch. 20 - While troubleshooting a headlight problem:...Ch. 20 - Technician A says that the condition of the...Ch. 20 - Composite headlights are being discussed:...Ch. 20 - While troubleshooting a brake light problem;...Ch. 20 - Technician A says that a composite headlight...Ch. 20 - While diagnosing an HID lamp that does not turn...Ch. 20 - Technician A says that flickering vehicle lights...Ch. 20 - The turn signals operate in the left direction...Ch. 20 - The right back-up lamp is dim: Technician A says...Ch. 20 - When the headlights are switched from low beam to...
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- Please help, make sure it's to box out and make it clear what answers go where...arrow_forwardPlease help, make sure it's to box out and make it clear what answers go where...arrow_forwardA triangular distributed load of max intensity w acts on beam AB. The beam is supported by a pin at A and member CD, which is connected by pins at C and D respectively. Determine the largest load intensity, Wmax, that can be applied if the pin at D can support a maximum force of 18000 N. Also determine the reactions at A and C and express each answer in Cartesian components. Assume the masses of both beam and member ✓ are negligible. Dwas шал = A BY NC SA 2016 Eric Davishahl C D -a- Ур -b- X B W Values for dimensions on the figure are given in the following table. Note the figure may not be to scale. Variable Value a 6.6 m b 11.88 m C 4.29 m The maximum load intensity is = wmax N/m. The reaction at A is A = The reaction at C is = i+ Ĵ N. ĴN. 12 i+arrow_forward
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- The T-shaped structure is embedded in a concrete wall at A and subjected to the force F₁ and the force-couple system F2 1650 N and M = 1,800 N-m at the locations shown. Neglect the weight of the structure in your calculations for this problem. = a.) Compute the allowable range of magnitudes for F₁ in the direction shown if the connection at A will fail when subjected to a resultant moment with a magnitude of 920 N- m or higher. b.) Focusing on the forces and igonoring given M for now. Using the value for F1, min that you calculated in (a), replace the two forces F₁ and F2 with a single force that has equivalent effect on the structure. Specify the equivalent →> force Feq in Cartesian components and indicate the horizontal distance from point A to its line of action (note this line of action may not intersect the structure). c.) Now, model the entire force system (F1,min, F2, and M) as a single force and couple acting at the junction of the horizontal and vertical sections of the…arrow_forwardThe heated rod from Problem 3 is subject to a volumetric heating h(x) = h0 x L in units of [Wm−3], as shown in the figure below. Under the heat supply the temperature of the rod changes along x with the temperature function T (x). The temperature T (x) is governed by the d following equations: − dx (q(x)) + h(x) = 0 PDE q(x) =−k dT dx Fourier’s law of heat conduction (4) where q(x) is the heat flux through the rod and k is the (constant) thermal conductivity. Both ends of the bar are in contact with a heat reservoir at zero temperature. Determine: 1. Appropriate BCs for this physical problem. 2. The temperature function T (x). 3. The heat flux function q(x). Side Note: Please see that both ends of bar are in contact with a heat reservoir at zero temperature so the boundary condition at the right cannot be du/dx=0 because its not thermally insulated. Thank youarrow_forwardThe elastic bar from Problem 1 spins with angular velocity ω about an axis, as shown in the figure below. The radial acceleration at a generic point x along the bar is a(x) = ω2x. Under this radial acceleration, the bar stretches along x with displacement function u(x). The displacement d u(x) is governed by the following equations: dx (σ(x)) + ρa(x) = 0 PDE σ(x) = E du dx Hooke’s law (2) where σ(x) is the axial stress in the rod, ρ is the mass density, and E is the (constant) Young’s modulus. The bar is pinned on the rotation axis at x = 0 and it is also pinned at x = L. Determine: 1. Appropriate BCs for this physical problem. 2. The displacement function u(x). 3. The stress function σ(x). SIDE QUESTION: I saw a tutor solve it before but I didn't understand why the tutor did not divide E under the second term (c1x) before finding u(x). The tutor only divided E under first term. please explain and thank youarrow_forward
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