EBK AUTOMOTIVE TECHNOLOGY
6th Edition
ISBN: 9780135257470
Author: Halderman
Publisher: VST
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Textbook Question
Chapter 35, Problem 3CQ
A splayed crankshaft is a crankshaft that __________.
- a. is externally balanced
- b. is internally balanced
- c. has offset main bearing journals
- d. has offset rod journals
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OBJECTIVE TYPE QUESTIONS
The balancing of rotating and reciprocating parts of an engine is necessary when it runs at
(a) slow speed
(b) medium speed (c) high speed
A disturbing mass, attached to a rotating shaft may be balanced by a single mass m, attached in
the same plane of rotation as that of my such that
(a)
(b) F
For static…
Provide a real-world usage example of the following:
Straightness
Circularity
Parallelism
What specific tools, jigs, and other devices are used to control the examples you provided?
856 Theory of Machines
5.
A shaft carries five masses A, B, C, D and E which revolve at the same radius in planes which are
equidistant from one another. The magnitude of the masses in planes A, C and D are 50 kg, 40 kg
and 80 kg respectively. The angle between A and C is 90° and that between C and D is 135°
Determine the magnitude of the masses in planes B and E and their positions to put the shaft in
complete rotating balance.
[Ans. 12 kg, 15 kg; 130° and 24° from mass A in anticlockwise direction]
Chapter 35 Solutions
EBK AUTOMOTIVE TECHNOLOGY
Ch. 35 - How many degrees of crankshaft rotation are there...Ch. 35 - What is the difference between primary and...Ch. 35 - What are the types of engine bearing materials?Ch. 35 - What is the difference between bearing crush and...Ch. 35 - Prob. 5RQCh. 35 - Prob. 1CQCh. 35 - A four-cylinder engine fires one cylinder at every...Ch. 35 - A splayed crankshaft is a crankshaft that...Ch. 35 - Which of the following is NOT true of a fully...Ch. 35 - Which of the following causes primary vibrations...
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