Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
6th Edition
ISBN: 9780135257272
Author: James D. Halderman
Publisher: PEARSON
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Textbook Question
Chapter 28, Problem 1RQ
What are the differences between a minor and a major overhaul?
Expert Solution & Answer
To determine
The differences between a minor and a major overhaul.
Explanation of Solution
| Minor overhaul | Major overhaul |
| Done without removing the engine from the chassis. | The engine must be removed from the chassis and disassembled completely. |
| The engine is repaired. | The engine is completely rebuilt. |
| This procedure is called freshening the engine. | This procedure is called rebuilding the engine. |
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Students have asked these similar questions
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6/86 The connecting rod AB of a certain internal-combustion engine weighs 1.2 lb with mass center at G
and has a radius of gyration about G of 1.12 in. The piston and piston pin A together weigh 1.80 lb. The
engine is running at a constant speed of 3000 rev/min, so that the angular velocity of the crank is
3000(2)/60 = 100л rad/sec. Neglect the weights of the components and the force exerted by the gas in
the cylinder compared with the dynamic forces generated and calculate the magnitude of the force on the
piston pin A for the crank angle 0 = 90°. (Suggestion: Use the alternative moment relation, Eq. 6/3, with B
as the moment center.)
Answer
A = 347 lb
3"
1.3"
B
1.7"
PROBLEM 6/86
6/85 In a study of head injury against the instrument panel of a car during sudden or crash stops where
lap belts without shoulder straps or airbags are used, the segmented human model shown in the figure is
analyzed. The hip joint O is assumed to remain fixed relative to the car, and the torso above the hip is
treated as a rigid body of mass m freely pivoted at O. The center of mass of the torso is at G with the initial
position of OG taken as vertical. The radius of gyration of the torso about O is ko. If the car is brought to a
sudden stop with a constant deceleration a, determine the speed v relative to the car with which the
model's head strikes the instrument panel. Substitute the values m = 50 kg, 7 = 450 mm, r = 800 mm, ko
= 550 mm, 0 = 45°, and a = 10g and compute v.
Answer
v = 11.73 m/s
PROBLEM 6/85
Chapter 28 Solutions
Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
Ch. 28 - What are the differences between a minor and a...Ch. 28 - When should the factory-installed lifting hooks be...Ch. 28 - Why should the cylinder bore be measured before...Ch. 28 - Why should the ridge that sometimes forms at the...Ch. 28 - Why should the burrs often seen at the top of the...Ch. 28 - A short block includes the __________. a. block b....Ch. 28 - Technician A says that a minor overhaul can often...Ch. 28 - When removing the engine only from a vehicle...Ch. 28 - When removing cylinder heads, the fasteners should...Ch. 28 - With the rocker cover (valve cover) removed, the...
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