Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 28, Problem 8SA
How does SCR lower the 
content in a diesel’s exhaust?
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Chapter 28 Solutions
Automotive Technology
Ch. 28 - Pump gasoline may contain a small amount of...Ch. 28 - List five advantages the use of piezoelectric...Ch. 28 - What does the Reid vapor pressure (RVP) test...Ch. 28 - List three alternative fuels for an internal...Ch. 28 - Why is the sulfur content in gasoline limited?Ch. 28 - What are oxygenates and why are they added to...Ch. 28 - Name three driveability factors that are affected...Ch. 28 - How does SCR lower the content in a diesels...Ch. 28 - Prob. 1TFCh. 28 - True or False? The diesel fuels antiknock quality...
Ch. 28 - True or False? Piezoelectric materials can emit a...Ch. 28 - Which of the following statements about hydrogen...Ch. 28 - Which of the following chemicals is commonly added...Ch. 28 - Technician A says that the use of methanol in...Ch. 28 - Technician A says that reformulated gasoline...Ch. 28 - Technician A says that dedicated vehicles are...Ch. 28 - Technician A says white smoke in the exhaust of a...Ch. 28 - Technician A says piezo material is a type of...Ch. 28 - Prob. 6ASRQCh. 28 - While discussing chemicals that are currently...Ch. 28 - While discussing common rail fuel injection...Ch. 28 - Technician A says diesel engines consume less fuel...Ch. 28 - While discussing the reasons why the use of E85...
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- explain? 2- Explain the differences and similarities between the engine temperature sensitivity and the incoming air temperature. How do they influence the balance of the injected fuel volume determined by the ECU?arrow_forwardDefinition of exhaust and general information ? how to make the exhaust ? what is the function of exhaust ?arrow_forwardTrue or False? The diesel fuel’s antiknock quality ismeasured by the cetane ratingarrow_forward
- Explain fuel quantity measurement and control methods of ECU in diesel enginesarrow_forward1-What is specific fuel consumption of an engine? 2-Why does BSFC decrease with load? 3-What happens when petrol is used in diesel engine? Which engine is more efficient? 4-Which engine produces the most torque (diesel or petrol)? Differentiate SFC and TFCarrow_forwardIC ENGINE 13. Specify the main emission form multi-cylinder passenger car engine how is the air-fuel ratio controlledso as to reduce emissions? (please typeable, handwriting gets in the way)arrow_forward
- Technician A says that only offshore engines are permitted to use port-helix metering fuel systems on EPA MY 2010 compliant and later engines. Technician B says that port-helix metering injection pumps can be used on current diesel engines when the peak power rating is less than 70 BHP (52 kW). Who is correct?arrow_forwardQ/what is the amount of air engine in Petrol engine without calculating the mixture air and fuel?arrow_forwardDescribe carbon monoxide (CO) emissions in relation to air-fuel ratio.arrow_forward
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