EBK AUTOMOTIVE TECHNOLOGY
5th Edition
ISBN: 9780100659841
Author: Halderman
Publisher: YUZU
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Chapter 21, Problem 5CQ
Water pumps __________.
- a. only work at idle and low speeds and are disengaged at higher speeds
- b. use engine oil as a lubricant and coolant
- c. are driven by the engine crankshaft or camshaft
- d. disengage during freezing weather to prevent radiator failure
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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
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(a)
(b) F
For static…
Chapter 21 Solutions
EBK AUTOMOTIVE TECHNOLOGY
Ch. 21 - What is normal operating coolant temperature?Ch. 21 - Explain the flow of coolant through the engine and...Ch. 21 - Why is a cooling system pressurized?Ch. 21 - Prob. 4RQCh. 21 - Prob. 5RQCh. 21 - Prob. 6RQCh. 21 - Describe how to diagnose a heater problem.Ch. 21 - What are 10 common causes of overheating?Ch. 21 - Prob. 1CQCh. 21 - A customer complains that the heater works...
Ch. 21 - Prob. 3CQCh. 21 - Prob. 4CQCh. 21 - Water pumps __________. a. only work at idle and...Ch. 21 - What diagnostic trouble code (DTC) could be set if...Ch. 21 - Which statement is true about thermostats? a. The...Ch. 21 - Prob. 8CQCh. 21 - Technician A says that dirty or blocked radiator...Ch. 21 - The normal operating temperature (coolant...
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