Tech Manual for Erjavec's Automotive Technology: A Systems Approach
6th Edition
ISBN: 9781133933731
Author: ERJAVEC, Jack, Thompson, Rob
Publisher: Delmar Cengage Learning
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Chapter 45, Problem 10RQ
A front tire has excessive wear on both edges of the tire tread. The most likely cause of this problem is ______.
a. overinflation
b. underinflation
c. improper static balance
d. improper dynamic balance
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14.9. A forward feed double-effect vertical
evaporator, with equal heating areas in
each effect, is fed with 5 kg/s of a liquor
of specific heat capacity of 4.18 kJ/kg K.
and with no boiling point rise, so that 50
per cent of the feed liquor is evaporated.
The overall heat transfer coefficient in the
second effect is 75 per cent of that in the
first effect. Steam is fed at 395 K and the
boiling point in the second effect is 373 K.
The feed is heated by an external heater to
the boiling point in the first effect.
It is decided to bleed off 0.25 kg/s of
vapour from the vapour line to the second
effect for use in another process. If the
feed is still heated to the boiling point of
the first effect by external means, what
will be the change in steam consumption
of the evaporator unit? For the purpose of
calculation, the latent heat of the vapours
and of the steam may both be taken as
2230 kJ/kg
Ад
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correct the shaft misalignment in a cars transmission system, determine the offset distance required to correct the shaft misalignment of 4 degrees in a rotating system. shaft diameter is 4cm.
14.14. A three-stage evaporator is fed with
1.25 kg/s of a liquor which is concentrated
from 10 to 40 per cent solids by mass. The
heat transfer coefficients may be taken
as 3.1, 2.5 and 1.7 kW/m² K, respectively,
in each effect. Calculate the steam
flow at 170 kN/m² and the temperature
distribution in the three effects, if:
(a) the feed is at 294 K, and
(b) the feed is at 355 K.
Forward feed is used in each case and
the values of U are the same for the two
systems. The boiling point in the third
effect is 325 K and the liquor has no
boiling point rise.
O
Chapter 45 Solutions
Tech Manual for Erjavec's Automotive Technology: A Systems Approach
Ch. 45 - List five things that could cause premature...Ch. 45 - Define lateral and radial runout.Ch. 45 - Prob. 3RQCh. 45 - Define dynamic and static wheel balance.Ch. 45 - Describe the proper procedure to seal a puncture...Ch. 45 - The rim offset is the vertical distance between...Ch. 45 - Prob. 7RQCh. 45 - True or False? All TPMS have a pressure sensor...Ch. 45 - A tire that wobbles from side-to-side is said to...Ch. 45 - A front tire has excessive wear on both edges of...
Ch. 45 - All of the following statements are correct...Ch. 45 - All of the following statements are correct...Ch. 45 - Which of the following statements about sidewall...Ch. 45 - All of these statements about improper wheel...Ch. 45 - Prob. 15RQCh. 45 - Technician A says that the front wheel bearings on...Ch. 45 - Technician A says that dynamic wheel imbalance...Ch. 45 - Technician A says that front bearing assembly...Ch. 45 - Technician A says that replacement wheel rims...Ch. 45 - Prob. 5ASRQCh. 45 - While choosing the correct tire for a vehicle:...Ch. 45 - Technician A says that on most vehicles, the...Ch. 45 - Prob. 8ASRQCh. 45 - Prob. 9ASRQCh. 45 - Prob. 10ASRQ
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