Automotive Technology: A Systems Approach (MindTap Course List)
6th Edition
ISBN: 9781133612315
Author: Jack Erjavec, Rob Thompson
Publisher: Cengage Learning
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Textbook Question
Chapter 27, Problem 10RQ
What does a slope in the spark line represent?
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朱媽
2020-09-23 19:17 reply:2 Read:11
What kind of situation might happened to the
engine due to too high temperture?
If the spark line is totally flat, is longer than 2 ms, and is less than 500 volts, there is a good chance that __________ .
What 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 circuit
Chapter 27 Solutions
Automotive Technology: A Systems Approach (MindTap Course List)
Ch. 27 - Name the three types of stress testing used to...Ch. 27 - Prob. 2RQCh. 27 - Name the three types of trace pattern display...Ch. 27 - Prob. 4RQCh. 27 - List at least two methods of checking the...Ch. 27 - What happens if one of the ground electrodes of a...Ch. 27 - True or False? The first test when checking a...Ch. 27 - Richer air-fuel mixtures. a. decrease the...Ch. 27 - Prob. 9RQCh. 27 - What does a slope in the spark line represent?
Ch. 27 - True or False? On some engines, if the gap between...Ch. 27 - What is the typical procedure for checking the...Ch. 27 - While checking a pickup coil with an ohmmeter, a...Ch. 27 - A CKP sensor can be checked with all of the...Ch. 27 - Which of the following will cause one or more, but...Ch. 27 - Prob. 1ASRQCh. 27 - Prob. 2ASRQCh. 27 - Prob. 3ASRQCh. 27 - Technician A says that EMI can affect sensor...Ch. 27 - While discussing waste spark EI systems:...Ch. 27 - While discussing how to test a Hall-effect...Ch. 27 - While discussing the possible causes for a...Ch. 27 - Prob. 8ASRQCh. 27 - While discussing EI service and diagnosis:...Ch. 27 - While discussing engine misfire diagnosis:...
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- At what rpm is a four stroke , three-cylinder motorcycle engine running if any given spark plug is firing every 25 millisecondsarrow_forwardWhat is meant by regulator creep?arrow_forward20. Technician A says that an ignition system must generate sufficient voltage to force a spark across the spark plug gap. Technician B says that the ignition system must time the arrival of the spark to coincide with the movement of the engine's pistons and vary it according to the operating conditions of the engine. Who is correct? O a. Technician A O b. Technician B c. Both A and B O d. Neither A nor Barrow_forward
- Which of the following will cause one or more, but not all, firing lines to be higher than normal? a. High resistance in the spark plug wire b. Faulty fuel injector c. Defective spark plug d. All of the abovearrow_forwardNeed help with D,E and F. This is all the information I was given. If needed it would be looked up onlinearrow_forwardAn 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
- What is the function of On/Off valve?arrow_forwardQuestion Two: The crank shaft of an engine runs at 2400 rpm. If it takes 0.002 second after ignition for the charge to gain maximum pressure, what should the crank angle be when spark occurs. If the inlet valve opens 12° before T.D.C. and closes 43° after B.D.C. for how long is it open during one cycle?arrow_forwardWhat are two methods you can use to determine what working pressure to set on the regulator?arrow_forward
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Solids: Lesson 53 - Slope and Deflection of Beams Intro; Author: Jeff Hanson;https://www.youtube.com/watch?v=I7lTq68JRmY;License: Standard YouTube License, CC-BY