Mindtap For Erjavec/thompson's Automotive Technology: A Systems Approach, 4 Terms Printed Access Card (mindtap Course List)
7th Edition
ISBN: 9781337794381
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Textbook Question
Chapter 49, Problem 1MC
Which of the following is a good definition of SAI?
- Forward tilt of the top of the steering knuckle
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7. A motor shaft rotating at 1440 r.p.m. has to transmit 15 kW to a low speed shaft rotating at 500 r.p.m.
The teeth are 20° involute with 25 teeth on the pinion. Both the pinion and gear are made of cast iron
with a maximum safe stress of 56 MPa. A safe stress of 35 MPa may be taken for the shaft on which
the gear is mounted. Design and sketch the spur gear drive to suit the above conditions. The starting
torque may be assumed as 1,25 times the running torque.
Ruins 20 LW at 100 nm to another shaft running approxi
6.
A two stage reduction drive is to be designed to transmit 2 kW; the input speed being 960 r.p.m. and
overall reduction ratio being 9. The drive consists of straight tooth spur gears only, the shafts being
spaced 200 mm apart, the input and output shafts being co-axial.
2 A metal block of mass m = 10 kg is sliding along a frictionless surface with an initial speed
Vo, as indicated below. The block then slides above an electromagnetic brake that applies a
force FEB to the block, opposing its motion. The magnitude of the electromagnetic force
varies quadratically with the distance moved along the brake (x):
10
FEB = kx²,
with k
= 5
N
m²
V₁ = 8 m/s
m = 10 kg
FEB
Frictionless surface
Electromagnetic brake
⇒x
Determine how far the block slides along the electromagnetic brake before stopping, in m.
Chapter 49 Solutions
Mindtap For Erjavec/thompson's Automotive Technology: A Systems Approach, 4 Terms Printed Access Card (mindtap Course List)
Ch. 49 - Define camber.Ch. 49 - What tire wear pattern will result from excessive...Ch. 49 - What can be caused by excessive negative caster?Ch. 49 - Describe the difference between toe-in and...Ch. 49 - Describe thrust angle and why it is important foi...Ch. 49 - What can cause incorrect toe-out-on-turns?Ch. 49 - In what direction must the bottom of a tire and...Ch. 49 - What is scrub radius and why is it important?Ch. 49 - Prob. 9SACh. 49 - Describe how caster adjustment may be used to com...
Ch. 49 - A 3-degree difference in the SAI angle on each...Ch. 49 - Prob. 12SACh. 49 - Which of the following is a good definition of...Ch. 49 - Unequal SAI angles on the left and right sides of...Ch. 49 - While driving straight, a FWD car pulls to the...Ch. 49 - Technician A says that negative caster provides...Ch. 49 - Technician A says that the purpose of the steering...Ch. 49 - Technician A says that the presence of a thrust...Ch. 49 - Technician A says that camber changes as the...Ch. 49 - Technician A says that caster can be adjusted on...Ch. 49 - Technician A says that on FWD vehicles, the front...Ch. 49 - Technician A says that if caster at both wheels is...Ch. 49 - While discussing front-wheel caster: Technician A...Ch. 49 - While performing a prealignment inspection:...Ch. 49 - While performing a prealignment inspection:...
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