Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 4, Problem 6MC
What does the valve train do?
- It delivers fuel to a device that controls the amount of fuel going to the engine.
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An engine starts and runs briefly after a small quantity of fuel is put into the spark plug hole, but it doesn't not start when fuel is added to the carburetor throat. Tech a says that the problem may be that the exhaust valve is not closing completely due to carbon buildup. Tech b says it may be due to a defective carburetor mounting gasket. Who is correct?
1. Use the internet and other reference materials to learn about the
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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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- name and explain the different control valve in steam generationarrow_forwardA lawnmower stops running after a short period of time. The fuel tank filler cap is removed and an almost fuel tank of fuel is found, so the cap is reinstalled and the engine restarted. The engine runs again for a short time and then dies so the cap is removed again and the process repeats. Tech a says the problem may be due to a clogged vent in the fuel cap. The b says that the intake mainfold gasket may be defective. Who is correct?arrow_forwardMultiple valve engines tend to be more efficient than two-valve-per-cylinder engines because they. allow for increased port areas have smaller valves c. provide less restriction to the airflow d. all of the abovearrow_forward
- Which of the following are not typically found in the block of a modern engine? a. Pistons b. Crankshaft c. Valves d. Oil pumparrow_forwardWhat is meant by sequential firing of fuel injectors?arrow_forwardChoose the correct statement. Select one: a. A dry sump system stores oil in a tank outside of the engine. b. A wet sump system uses a scavenge pump and pressure pump. C. The wet sump system is the best fit during aggressive driving conditions. d. The dry sump system is the best fit in low performance applications.arrow_forward
- 1- What is “valve overlap” and how it's affect the performance of the enginearrow_forwardCarbon deposits on the intake valve or seat may cause the valve not to close properly. Tech a says that the flywheel will be harder to spin when starting the engine. Tech b says that the engine will loose power. Who is correct?arrow_forwardDuring suction stroke of petrol engines, the following statement is correct. O a. Air alone enters through inlet valve and piston moves from BDC to TDC O b. Air fuel mixture enters through inlet valve and piston moves from BDC to TDC Air alone enters through inlet valve and piston moves from TDC to BDC d. Air fuel mixture enters through inlet valve and piston moves from TDC to BDCarrow_forward
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