On Tue, 27 Sep 2022 12:07:37 -0700 (PDT), Ryan <
jrt...@gmail.com>
wrote:
>Test
Well, if you insist:
1. Which of the following creates a flapping sound near the front
of the engine?
a. Timing belt tension too tight
b. Drive belt too tight
c. Drive belt too loose
d. Timing belt tension too loose
2. An engine noise sounds like a knock at the side of the engine
that is louder when the engine is cold and goes away or is reduced
when the engine reaches operating temperature. Which of the following
is the MOST likely cause?
a. Cam bearing
b. Main bearing
c. Piston slap
d. Wrist pin
3. This question is not like the others. It has the word EXCEPT.
For this question, look for the choice that could NOT cause the
described situation. Read the entire question carefully before
choosing your answer.
All of the following are reasons why you must disable the fuel
injection system and ignition system when conducting an engine
compression test, EXCEPT:
a. Prevents damage to the ignition system during the test
b. Prevents fuel injection into the cylinders
c. Prevents a shop engine fire
d. Prevents inaccurate readings
4. A power balance test is being performed on an engine.
Technician A says to note the engine RPM before and during the test
for each cylinder. Technician B says to record the RPM drop for each
cylinder. Who is right? a. A only
b. B only
c. Both A and B
d. Neither A not B
5. Technician A says the closed coil end of a valve spring should
go against the cylinder head. Technician B says all valve springs use
shims to control free spring height. Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
6. This question is not like the others. It has the word EXCEPT.
For this question, look for the choice that could NOT fit the
described situation. Read the entire question carefully before
choosing your answer.
All of the following statements are correct when adjusting valve lash
on engines with overhead camshaft cylinder heads, EXCEPT:
a. Shims may be used to make adjustments.
b. Clearance is measured between the camshaft and follower or rocker
on most engines.
c. The follower or rocker must be on the base circle of the camshaft
when measuring.
d. The engine must be cold for all engine manufacturers
7. The surface of the cylinder head has just been machined. What
will have to be done to the valve train?
a. Lengthening the push rods
b. Increasing valve spring tension
c. Grinding the valve stems
d. Shim the head
8. A technician hears a knock or thumping at the side of the
engine block that is louder when the engine is hot and goes away when
the affected cylinder is shorted out. Which of the following could be
the cause?
a. Main bearing
b. Wrist pin
c. Rod bearing
d. Piston slap
9. An engine is making a knocking sound that changes with RPM,
and the noise disappears while a cylinder is being tested during the
cylinder balance test. Which of the following could be the cause?
a. Rod bearing
b. Main bearing
c. Piston Slap
d. Burnt valve
10. Technician A says old antifreeze may cause corrosion build-up
in the cooling system. Technician B says some original equipment
manufacturers (OEM) recommend that the coolant be changed at specified
intervals. Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
11. This question has the word LEAST. For this question, look for
the choice that would LEAST likely fit the described situation. Read
the entire question carefully before choosing your answer.
Which of the following steps is LEAST likely to be necessary when
refilling a cooling system?
a. Bleeding the air out of the system
b. Mixing tap water and distilled water
c. Mixing the proper ratio of water to coolant
d. Check the radiator cap for proper fit
12. A technician is using a laptop computer and manufacturer
software to test the ECT (Electronic Controlled Throttle) circuit that
has a stored DTC P1121 (Electric Throttle Control Actuator). Which of
the following customer concerns could be caused by a defective ECT
return spring malfunction?
a. Rough idle
b. Low power
c. High idle
d. Detonation