AUTOMOTIVE TECHNOLOGY-NATEF TASK SHEETS
6th Edition
ISBN: 9780135257418
Author: Halderman
Publisher: PEARSON
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Chapter 19, Problem 2CQ
Which diesel system supplies high-pressure diesel fuel to all of the injectors all of the time?
- a. Distributor
- b. Inline
- c. High-pressure common rail
- d. Rotary
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Students have asked these similar questions
.How does a piezoelectric injector work?
Low fuel pump pressure causes a _____ mixture and excessive pressure causes a _____ mixture.
While discussing returnless fuel systems: Technician A says that in a returnless fuel system the pressure regulator is mounted on the fuel rail. Technician B says that in this type of fuel system the pump and pressure regulator are combined in one unit. Who is correct?
A.Technician A
B.Technician B
C.Both A and B
D.Neither A nor B
Chapter 19 Solutions
AUTOMOTIVE TECHNOLOGY-NATEF TASK SHEETS
Ch. 19 - What is the difference between direct injection...Ch. 19 - What are the three phases of diesel ignition?Ch. 19 - Prob. 3RQCh. 19 - What exhaust after-treatment is needed to achieve...Ch. 19 - What are the advantages and disadvantages of SCR?Ch. 19 - How is diesel fuel ignited in a warm diesel...Ch. 19 - Which diesel system supplies high-pressure diesel...Ch. 19 - What fuel system component is used in a vehicle...Ch. 19 - Which of the following may be a symptom of...Ch. 19 - Technician A says that glow plugs are used to help...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- List five advantages the use of piezoelectric injectors has over solenoid-based injectors.arrow_forwardTechnician A says that air-fuel ratios can be regulated by controlling the “on time” of the injectors. Technician B says that the air-fuel ratio can be regulated by controlling the pressure applied to the individual injectors. Who is correct? * 1 point a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardTechnician A says that a two-stroke oil injection system uses a gravity-fed pressure system. Technician B says that a reservoir is not needed to store injection oil. Who is correct? Select one: a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forward
- What is meant by sequential firing of fuel injectors?arrow_forwardThe injector function in diesel engine is to a. inject fuel continusously when engine is running. b. inject fuel at the beginning of comprssion stroke c. inject fuel at the end of expansion stroke d. inject fuel at end of compression strokearrow_forwardIf the injector pulse width is increased on TBI, MFI, or SFI systems, the air-fuel ratio becomes _____.arrow_forward
- 1: List the safety mechanisms that contrast medium injection devices are equipped with. 2: What are the five factor that affect injector flow rate?arrow_forwardTechnician A says that if the PCV valve or connecting hoses become clogged, excessive pressure will develop in the crankcase and can cause oil leaks. Technician B says that if the PCV valve or connecting hoses become clogged, oil may be pushed into the air cleaner or cause it to be drawn into the intake manifold. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_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
- The injector pulse width is the __________ ___ ________ the injector opens and sprays fuel.arrow_forward1. The purpose of running this injector balance test is to determine which injector is restricted, inoperative, or delivering fuel differently than the other injectors. Replacing a complete set of injectors can be expensive. a. Describe the step involve in conducting injector balance test. b. Based on the recorded data on the power balance test in Table 1. Explain the condition on each injector. Table 1 Data collected from power balance test. Injector 1 2 3 Initial pressure (psi) 45 45 45 Second pressure 32 36 25 (psi)arrow_forwardFor Diesel engine, the turbocharger will increase the pressure of a. air fuel mixture entering into cylinder O b. air and exahust gases entering into cycliner. O c. air entering in to cylinder. d. fuel entering into engine cylinderarrow_forward
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