1) Which of these least accurately describes what happens when abnormal combustion raises the temp and pressure inside the combu
stion chamber
A) detonation
B) vapor lock
C) spark
2) which ignition switch system test is being performed in the pic above
A) pickup resistance
B) pickup coil DC voltage
C) module resistance
3) Tech A says that volatility describes how hard it is for gas to evaporate. Tech B says that Reid Vapor pressure (RVP) is pressure of vapor above fuel when the fuel is at 100 F. Which is correct?
A) neither
B) tech b
C) tech A.
4) all of these are parts of the primary ignition circuit except
A) spark plug
B) the ignition switch
C) the ignition module
5) a cetane-enhancing addictive is added to _____ to increase the cetane rating
A)bio diesel
B) methanol
C) e-diesel X.
6) diesel fuel intended for use on the streets and highways is
A) green
B) red
C) yellow
7) when checking for a no-start concern you notice that an engine has no spark. Tech a days to turn on the ignition (engine off) and using a DMM find out how much battery voltage is available at the negative terminal of the ignition coil. Tech b says the DMM reading should fluctuate indicating that the primary coil current is being turned on and off.
A) tech A
B) neither
C) tech b.
8) propane also known as LP gas is often mixed with about ____ percent of other gases. Such as (butane & mercaptan)
A) 10
B) 20
C) 30
9) what can be used to measure the alcohol content in gas?
A) either graduated cylinder or an anetric tester
B) scan tool
C) electronic tester
A) detonation
B) vapor lock
C) spark
2) which ignition switch system test is being performed in the pic above
A) pickup resistance
B) pickup coil DC voltage
C) module resistance
3) Tech A says that volatility describes how hard it is for gas to evaporate. Tech B says that Reid Vapor pressure (RVP) is pressure of vapor above fuel when the fuel is at 100 F. Which is correct?
A) neither
B) tech b
C) tech A.
4) all of these are parts of the primary ignition circuit except
A) spark plug
B) the ignition switch
C) the ignition module
5) a cetane-enhancing addictive is added to _____ to increase the cetane rating
A)bio diesel
B) methanol
C) e-diesel X.
6) diesel fuel intended for use on the streets and highways is
A) green
B) red
C) yellow
7) when checking for a no-start concern you notice that an engine has no spark. Tech a days to turn on the ignition (engine off) and using a DMM find out how much battery voltage is available at the negative terminal of the ignition coil. Tech b says the DMM reading should fluctuate indicating that the primary coil current is being turned on and off.
A) tech A
B) neither
C) tech b.
8) propane also known as LP gas is often mixed with about ____ percent of other gases. Such as (butane & mercaptan)
A) 10
B) 20
C) 30
9) what can be used to measure the alcohol content in gas?
A) either graduated cylinder or an anetric tester
B) scan tool
C) electronic tester
1 answer:
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