
1. Most on-board diagnostic systems
will recognize and store a hard
code for all of the following EX-
CEPT:
a. An absent signal
b. An intermittent signal
c. An improbable signal
d. An out-of-range signal
2. Technician A says that absolute
pressure uses a reference point of
zero pressure, or total vacuum, re-
gardless of atmospheric pressure or
altitude.
Technician B says that to correct in-
take manifold vacuum readings for
altitude, add one in-Hg (3.377 kPa)
for every 1000 feet (305 meters)
above sea level.
Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
3. The most accurate method of de-
tecting severely worn piston rings
would be to perform a:
a. Manifold vacuum test
b. Cylinder power balance test
c. Compression test
d. Cylinder leakage test
4. Which oscilloscope pattern allows
you to display the voltage traces for
all cylinders one after the other from
left to right across the screen in fir-
ing order?
a. Raster
b. Parade
c. Stacked
d. Superimposed
5. Technician A says that a high, short
firing line on a secondary oscillo-
scope trace is the result of low re-
sistance from a short circuit.
Technician B says that a damaged
plug wire, worn distributor cap, or
excessive plug gap results in a
high, short firing line on a second-
ary oscilloscope trace.
Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
6. High levels of hydrocarbon (HC)
emissions are often the result of a
malfunction in the:
a. Ignition system
b. Fuel system
c. PCV system
d. Emission control system
Sample Test
115
TEST TAKING ADVICE
As soon as you make the decision to schedule an L1 test,
begin preparing by including dedicated study timein your
weekly schedule. You can improve your test score with just
a few hours of study and review per week. Photocopy the
practice test included in this study guide so you can use it
several times.
The practice test will help you become more comfortable
with test taking in general. It will also point out your weak
spots and enable you to use your study time more efficient-
ly. When you miss a question, look up the answer and study
the subject in the study guide. Take notes on the subject to
use for review. After repeated test taking and review, you
should have your notes reduced to a single sheet of paper
that can be reviewed daily the week before the test, and
again on the day of the test.
Arrive at the test site early so parking or unforeseen prob-
lems do not cause you stress. Plan to allow time for a last
look at your notes before entering the test site. Pay atten-
tion to all instructions from the test proctor even if you are
a veteran test taker. From time to time ASE adjusts its in-
structions.
To answer test questions correctly, you must have a clear
understanding of what is being asked. Read the question
twice to be sure what it is asking. While thinking about the
question, recall what you know about the subject. Do this
before reading the answers. You are less likely to be influ-
enced into a wrong conclusion by the answers if you recall
what you know about the subject first.
Since you have recalled your knowledge of the subject, you
will be less likely to doubt yourself while reading the an-
swers.
Note all operating conditions stated in the question when
considering the answers. However, never assume that con-
ditions exist that are not stated in the question. Treat each
answer as a true or false question. Be sure to read all the
answers before making your choice. When you conclude
that more than one may be correct, reread the question to
make sure you haven't missed an important fact, then rely
on your knowledge to choose the one that is most correct.
There is always one most correct answer When it seems
impossible to decide which answer is correct, it may help to
think of which item would be more likely to wear out or
which things require regular service. These types of items
may be the best choice, especially when the question asks,
"which is more likely".
Never leave a question unanswered. Unanswered ques-
tions are scored as wrong! Guess if you can't make a deci-
sion. Guessing gives you a 25 % chance of being correct.
If you narrow the field to two possibilities, you have a 50%
chance. Choose an answer before moving on to the next
question in case you run out of time. Make a mark next to
the question in the test booklet. Sometimes, other ques-
tions contain information that will help answer a question
you're not sure of, and you can return to the questions you
have marked if you have time. Be cautious when returning
to reread a question. If you are still not sure which answer
is correct, it's betterto leave your original guess than to
make a second guess. However, if you are certain that you
originally misunderstoodthe question it's best to change
your answer.
Summary of Contents for ASE-A8
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