Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 4, Problem 5MC
Which is not a common automotive fuel?
- Gasoline
- Diesel
- Hydrogen
- Ethanol
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Why were some fuels called unleaded? I. Lead used to be added to diesel to improve its octane rating II. Blends with minimal lead content replaced lead-heavy fuels.
a. Both I and II
b. I only
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d. II only
What causes high CO emissions?
lean air/fuel mixtures
rich air/fuel mixtures
high combustion temperatures
high combustion efficiency
11.Which of the following can be used as fuel in compressed form?
a.
Petrol
b.
Natural Gas
c.
Coal
d.
Uranium
Chapter 4 Solutions
Automotive Technology
Ch. 4 - Prob. 1SACh. 4 - Explain the four strokes of the internal...Ch. 4 - In addition to the battery, what does the charging...Ch. 4 - What is meant by the term regenerative braking?Ch. 4 - Which of the following is not a common emission...Ch. 4 - Automatic transmissions use a instead of a clutch...Ch. 4 - Which of the following is not one of the strokes...Ch. 4 - Prob. 4MCCh. 4 - Which is not a common automotive fuel? Gasoline...Ch. 4 - What does the valve train do? It delivers fuel to...
Ch. 4 - Technician A says that liquid cooling an engine...Ch. 4 - Prob. 8MCCh. 4 - Which emission control system introduces exhaust...Ch. 4 - Prob. 10MCCh. 4 - Technician A says that a transaxle delivers torque...Ch. 4 - Which of the following is not part of the running...Ch. 4 - Which of the following statements about unibody...Ch. 4 - Which type of transmission uses pulleys to change...Ch. 4 - Prob. 15MCCh. 4 - What two major engine components work together to...Ch. 4 - Technician A says that an air-conditioning system...Ch. 4 - The boiling point of the coolant in an engines...Ch. 4 - While discussing the operation of air-conditioning...Ch. 4 - Prob. 20MCCh. 4 - Which of the following is not accomplished by the...
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Which of the following CANNOT be used as a source for the production of hydrogen? a. Gasoline b. Methanol c. Carbon dioxide d. Natural gas
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The most common fuel oil used for residential and light commercial is A.Number 1. B. Number 2. C. Number 3. D. Number 4.
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Which of the following chemicals is commonly added to gasoline to increase its octane rating? a. Isooctane b. Heptane c. Sulfur d. Ethanol
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What is the basic fuel for a fuel cell? a. Hydrogen b. Methanol c. Electricity d. Gasoline
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The component that changes the molecular structure of hydrocarbons into hydrogen-rich gas is called a. a. pressure container b. fuel cell c. fuel injector d. reformer
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Which of the following statements about carbondioxide is not true?a. CO2 levels are highest when the air-fuel ratiois slightly leaner than stoichiometric.b. The production of CO2 is directly related tothe amount of fuel consumed; therefore,more fuel-efficient engines produce less CO2c. To reduce CO2 levels in the exhaust, engineers are working hard to decrease fuel consumption to keep CO2low.d. The concern for CO2 emissions is one of theprimary reasons for the delayed use of alternative fuels for automobiles.
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What are the major components of a Piston Engine fuel System What are their major functions or roles within the system
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