AUTOMOTIVE ENGINE
DIAGNOSIS & REPAIR QUESTIONS
AND THEIR CORRECT SOLUTIONS
After glaze breaking or cylinder honing, clean the
block with a. stoddard solvent, b. Prussian blue, c.
acid bath, d. hot soapy water
D. Hot soapy water
All of the following are timing components EXCEPT: a.
chain, b. belt, c. tensioner, d. lifter
d. lifter
An engine has excessive valve guide wear tech A says
to ream the guide and install a new valve with an
oversize stem. Tech B says to knurl the valve stem
and reinstall it into the guide. Who is correct? a. tech
A, b. Tech B, c. Both techs or d. neither technicians
A. Tech A
During a compression test, a cylinder shows lower
readings than expected. Technician A squirts
tablespoon of oil into the cylinder and the
compression raises. He says this indicates a problem
with the rings. Technician B says the indicates a
burned intake valve, Which technician is correct. A.
Technician A, B. Technician B, C. Both technicians, D.
Neither technicians.
A. Technician A
, How many degrees of crankshaft rotation is a
complete cycle of a four stroke engine? A. 120, B. 180,
C. 360, D. 720?
D. 720
Modern day engines can have __________ valves per
cylinder. A. two, B. three, C. four, D. all of the above
D. all of the above
Of the measuring devices listed below, which is the
most accurate in measuring cylinder bore size? A.
micrometer, B. telescoping gauge, C. inside
mircometer, D. cylinder dial bore gauge
D. cylinder dial bore gauge
Oil is being discussed. Technician A says oil never
wears out. Technician B says there are many additives
in oil that will become depleted during engine
operation. Who is correct? A. Technician A, B.
Technician B, C. both technicians, D. neither
technicians
C. Both technicians
Piston rings are made from all these materials,
EXCEPT a. ductile iron, b. aluminum wire, c. steel
wire, or d. cast iron
b. aluminum wire
Technician A says a faulty head gasket can cause the
oil to mix with coolant. Technician B says bubbles
forming in the coolant during engine operation could
indicate a leaking head gasket. Which technician is
correct? A. Tech A, b. tech B, c. both techs, d. neither
techs
C. both technicians
DIAGNOSIS & REPAIR QUESTIONS
AND THEIR CORRECT SOLUTIONS
After glaze breaking or cylinder honing, clean the
block with a. stoddard solvent, b. Prussian blue, c.
acid bath, d. hot soapy water
D. Hot soapy water
All of the following are timing components EXCEPT: a.
chain, b. belt, c. tensioner, d. lifter
d. lifter
An engine has excessive valve guide wear tech A says
to ream the guide and install a new valve with an
oversize stem. Tech B says to knurl the valve stem
and reinstall it into the guide. Who is correct? a. tech
A, b. Tech B, c. Both techs or d. neither technicians
A. Tech A
During a compression test, a cylinder shows lower
readings than expected. Technician A squirts
tablespoon of oil into the cylinder and the
compression raises. He says this indicates a problem
with the rings. Technician B says the indicates a
burned intake valve, Which technician is correct. A.
Technician A, B. Technician B, C. Both technicians, D.
Neither technicians.
A. Technician A
, How many degrees of crankshaft rotation is a
complete cycle of a four stroke engine? A. 120, B. 180,
C. 360, D. 720?
D. 720
Modern day engines can have __________ valves per
cylinder. A. two, B. three, C. four, D. all of the above
D. all of the above
Of the measuring devices listed below, which is the
most accurate in measuring cylinder bore size? A.
micrometer, B. telescoping gauge, C. inside
mircometer, D. cylinder dial bore gauge
D. cylinder dial bore gauge
Oil is being discussed. Technician A says oil never
wears out. Technician B says there are many additives
in oil that will become depleted during engine
operation. Who is correct? A. Technician A, B.
Technician B, C. both technicians, D. neither
technicians
C. Both technicians
Piston rings are made from all these materials,
EXCEPT a. ductile iron, b. aluminum wire, c. steel
wire, or d. cast iron
b. aluminum wire
Technician A says a faulty head gasket can cause the
oil to mix with coolant. Technician B says bubbles
forming in the coolant during engine operation could
indicate a leaking head gasket. Which technician is
correct? A. Tech A, b. tech B, c. both techs, d. neither
techs
C. both technicians
