Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 24, Problem 8SA
Type B engine misfires are excessive if the misfiring exceeds
to
percent in a
rpm period.
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Chapter 24 Solutions
Automotive Technology
Ch. 24 - Describe the difference between an open- and a...Ch. 24 - Explain the use and importance of system strategy...Ch. 24 - Describe an OBD II warm-up cycle.Ch. 24 - Explain the trip and drive cycle in an OBD II...Ch. 24 - Describe how engine misfire is detected in an OBD...Ch. 24 - Describe the purpose of having both upstream and...Ch. 24 - Briefly describe the monitors in an OBD II system.Ch. 24 - Type B engine misfires are excessive if the...Ch. 24 - The monitor system checks the action of the can...Ch. 24 - The monitor system has a(n) and test to check the...
Ch. 24 - The fuel monitor checks fuel trim and fuel trim.Ch. 24 - Which sensor is used for misfire monitoring on OBD...Ch. 24 - Which of the following statements is not true?...Ch. 24 - A computer is capable of doing all of the...Ch. 24 - Which of the following memory circuits is used to...Ch. 24 - Technician A says that the oxygen sensor provides...Ch. 24 - While discussing OBD II systems: Technician A says...Ch. 24 - While discussing the catalyst efficiency monitor:...Ch. 24 - While discussing monitoring systems: Technician A...Ch. 24 - While discussing the comprehensive monitoring...Ch. 24 - Prob. 6ASRQCh. 24 - While discussing diagnostic procedures: Technician...Ch. 24 - Technician A says that the enable criteria are the...Ch. 24 - While discussing PCM monitor tests: Technician A...Ch. 24 - While discussing the misfire monitor: Technician A...
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- Which of the following are complexities that are ignored when assuming air-standard for an internal-combustion engine? Select all that apply. Variation of specific heat values with a change in temperature Changes in pressure during the power stroke (expansion) Changes in chemical composition due to combustion O Heat transfer through the piston or cylinder wallsarrow_forwardwhat is clearance volume in engine?arrow_forward1. What are the causes engine overheat? Identify at least 3.arrow_forward
- The friction mean effective pressure: Select one: O a. Decreases when the engine rotational speed increase O b. Increases when the engine rotational speed increase O c. No influence of rotational speed on fmep O d. Increases when the engine rotational speed decreasearrow_forwardTrue or False? SAE mandates that engine, when viewed from the front, will be rotating in a counterclockwise direction.arrow_forwardExplain why a small PCV valve opening is adequate at idle speed.arrow_forward
- Number of times the intake valve opens in a single-cylinder four-stroke cycle after completing 200 revolutions. Ans. 100 timesarrow_forwardC- Fill the blank 1- Internal combustion engines classified according to air intake into the cylinder to and-- 2- Typical compression ratio for modern gasoline engine lie between 3- There are a number of gasoline additives that are used to raise the octane number such as 4- Higher compression ratio in SI engine lead to 5- The thermal efficiency of CI engine is than of SI engine. 6- Fuel with octane number of 78 indicate 78%- -and 22%- 7- Anti-Knock quality improves with - no. of carbon atoms. 8- Higher compression ratio in SI engine lead to 9- Maximum power overtaking a vehicle or climbing up a hill (extra load) this requires a mixture.arrow_forwardWrite short note on engine capacityarrow_forward
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