AUTOMOTIVE TECHNOLOGY -W/MINDTAP ACCESS
7th Edition
ISBN: 9780357096789
Author: ERJAVEC
Publisher: CENGAGE L
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Chapter 26, Problem 5ASRQ
To determine
Whether Technician A or Technician B is correct.
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While discussing ignition timing requirements: Technician A says that more advanced timing is desired when the engine is under a heavy load. Technician B says that more advanced timing is desired when the engine is running at high engine speeds. Who is correct?
Title
True or False? A spark plug with two ground electrodes will provide two separate sparks when fired..
Description
True or False? A spark plug with two ground electrodes will provide two separate sparks when fired.
Why is high voltage needed to establish a spark across the gap of a spark plug? List the advantages of having one ignition coil per cylinder.
Which of the following is a function of all ignition systems? a. To generate sufficient voltage to force a spark across the spark plug gap b. To time the arrival of the spark to coincide with the movement of the engine’s pistons c. To vary the spark arrival time based on varying operating conditions d. All of the above
Consider the following statements relevant to the ignition system of SI engine:
1. Too small a dwell angle will lead to the burning of condenser and contact points.
2. Too small a dwell angle will result in misfiring.
3. Too large a dwell angle will result in burning of condenser and contact points.
4. Too large a dwell will result in mistiring.
Which of these statements are correct?
Chapter 26 Solutions
AUTOMOTIVE TECHNOLOGY -W/MINDTAP ACCESS
Ch. 26 - Explain how voltage is induced in a permanent...Ch. 26 - Explain why dwell time is important to ignition...Ch. 26 - Prob. 3SACh. 26 - Explain how the plugs fire in a two-plug-per-coil...Ch. 26 - Why is high voltage needed to establish a spark...Ch. 26 - Prob. 6SACh. 26 - Modern ignition cables contain fiber cores that...Ch. 26 - Explain the components and operation of a...Ch. 26 - True or False? The spark plug wire is eliminated...Ch. 26 - True or False? A spark plug with two ground...
Ch. 26 - Prob. 1MCCh. 26 - Which of the following is a function of all...Ch. 26 - Reach, heat range, and air gap are all...Ch. 26 - The magnetic field surrounding the coil in a...Ch. 26 - Which of the following electronic switching...Ch. 26 - Technician A says that a magneto resistive sensor...Ch. 26 - While discussing ignition systems: Technician A...Ch. 26 - While discussing ignition timing requirements:...Ch. 26 - While discussing secondary voltage: Technician A...Ch. 26 - Prob. 5ASRQCh. 26 - In El systems using one ignition coil for every...Ch. 26 - While discussing EI systems: Technician A says...Ch. 26 - While discussing El systems: Technician A says...Ch. 26 - Technician A says the switching device controls...Ch. 26 - While discussing spark plugs: Technician A says...
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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
- 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?arrow_forward( deeply explain all point of question)arrow_forwardWhat does a slope in the spark line represent? a. Low secondary resistance b. High resistance in the primary circuit c. An incorrect air-fuel mixture d. High resistance in both the primary and secondary circuitarrow_forward
- Technician A says that you may be able to smell antifreeze from a leaking heater core. Technician B says that you may be able to hear a loose belt when the engine is running. Who is correct? Select one: a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forwardWhile discussing ignition timing control in EI systems: Technician A says that when the engine coolant temperature is low, the timing is retarded until normal operating temperature is reached. Technician B says that the PCM will retard the timing during EGR operation. Who is correct? Technician Ac.Both A and B b. Technician B d. Neither A nor Barrow_forwardWhile discussing ignition systems: Technician A says that an ignition system must supply high-voltage surges to the spark plugs. Technician B says that the system must maintain the spark long enough to burn all of the air-fuel mixture in the cylinder. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forward
- What does a slope in the spark line represent?arrow_forwardTechnician A says that broken engine mounts can cause the fan to hit the shroud. Technician B says that missing or broken air dams can cause an engine to overheat. Who is correct? Select one: a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forwardExplain the influence of engine speed upon the ignition delay.arrow_forward
- Define ignition?arrow_forwardTechnician A says that liquid cooling an engine helps to maintain a consistent operating temperature. Technician B says that oil is circulated through the cooling system to remove heat from the engine's parts. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardName the engine operating conditions thatmost affect ignition timing requirements.arrow_forward
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