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FADA Certification practice Questions with Detailed
Verified Answers
After replacing the lower radiator hose and adding coolant, the engine continues to over heat.
which of the following is MOST likely causing this condition? Ans: ✓ ✓ ✓ An air pocket in the
cooling system
A vehicle is emitting black-colored exhaust. Which of these could be the cause? Ans: ✓ ✓ ✓ A rich
air to fuel ratio
All of the following statements are true about an engines PCV system except: Ans: ✓ ✓ ✓ the PCV
valve should not rattle when shaken
a cylinder power balance test indicates two adjacent cylinders are under performing. Which of the
following is causing this test result? Ans: ✓ ✓ ✓ A leaking head gasket
an engine has excessive crankshaft endplay. Which of the following is MOST likely causing this
condition? Ans: ✓ ✓ ✓ Thrust bearing
A cylinder compression test indicates the #1 cylinder is below specifications. After injecting oil, the
pressure remains the same. Which of the following could be the case? Ans: ✓ ✓ ✓ A bad valve
one spark plugs ceramic insulator is longer than the others. Which of the following is correct?
-Spark plugs have different heat ranges
-spark plugs are self cleaning
-spark plug resistance can be tested using a digital multi-meter
-all of the above Ans: ✓ ✓ ✓ all of the above
A vehicle with an eight cylinder engine and a manual transmission has a knocking sound at the back
of the engine whenever the engine is running. Which of these could be the cause? Ans: ✓ ✓ ✓
loose flywheel bolts
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During a cylinder leakage test , a hissing sound is heard coming from the throttle bottle. This sound
indicates: Ans: ✓ ✓ ✓ A bad intake valve
Vehicle has white colored exhaust emitting from its tailpipe at all engine speeds. Which of these
could be the cause? Ans: ✓ ✓ ✓ leaking head gasket
RTV (Room Temperature Vulcanizing) aerobic sealant: Ans: ✓ ✓ ✓ cures in the presence of air
A high mileage engine has a knocking sound that goes away as it warms and reaches operating
temperature. Which of these is MOST likely causing this noise? Ans: ✓ ✓ ✓ piston to wall
clearance
technician A says preignition occurs when a flame front ignites in the combustion chamber before
the spark plug fires. Technician B says installing the wrong spark plug in an engine can result in
detonation. Who is correct? Ans: ✓ ✓ ✓ Both a and b
A turbocharged engine emits blue grey exhaust. Which of these could be the cause? Ans: ✓ ✓ ✓
faulty turbocharger oil seals
there is a loud squeal at the front of a supercharged V6 engine that gets louder as the engine is
accelerated. Which of the following is causing this noise? Ans: ✓ ✓ ✓ the front roller bearings
A vehicle's engine is slow cranking. Which of the following should the technician check first? Ans:
✓ ✓ ✓ the battery
A vehicle with a new fully charged battery continues to discharge overnight. A battery state of
charge test indicates 9.2 volts the next morning . Which test is used to diagnose this condition?
Ans: ✓ ✓ ✓ a parasitic drain test
Technician A says to use a cylinder bore gauge to measure the cylinders bore for excessive taper.
Technician B says to measure the cylinders bore for an out of round condition before installing new
pistons. Who is correct? Ans: ✓ ✓ ✓ Both a and b
When replacing connecting rod bearings in an engine: Ans: ✓ ✓ ✓ do not mix connecting rods and
rod caps
to repair a small crack in a cast-iron engine block using the metal pinning method use all of the
following tools EXCEPT: Ans: ✓ ✓ ✓ welding rod
Which of the following results in low oil pressure Ans: ✓ ✓ ✓ worn crankshaft bearing
© Get it right 2025 Getaway - Stuvia US All rights reserved
FADA Certification practice Questions with Detailed
Verified Answers
After replacing the lower radiator hose and adding coolant, the engine continues to over heat.
which of the following is MOST likely causing this condition? Ans: ✓ ✓ ✓ An air pocket in the
cooling system
A vehicle is emitting black-colored exhaust. Which of these could be the cause? Ans: ✓ ✓ ✓ A rich
air to fuel ratio
All of the following statements are true about an engines PCV system except: Ans: ✓ ✓ ✓ the PCV
valve should not rattle when shaken
a cylinder power balance test indicates two adjacent cylinders are under performing. Which of the
following is causing this test result? Ans: ✓ ✓ ✓ A leaking head gasket
an engine has excessive crankshaft endplay. Which of the following is MOST likely causing this
condition? Ans: ✓ ✓ ✓ Thrust bearing
A cylinder compression test indicates the #1 cylinder is below specifications. After injecting oil, the
pressure remains the same. Which of the following could be the case? Ans: ✓ ✓ ✓ A bad valve
one spark plugs ceramic insulator is longer than the others. Which of the following is correct?
-Spark plugs have different heat ranges
-spark plugs are self cleaning
-spark plug resistance can be tested using a digital multi-meter
-all of the above Ans: ✓ ✓ ✓ all of the above
A vehicle with an eight cylinder engine and a manual transmission has a knocking sound at the back
of the engine whenever the engine is running. Which of these could be the cause? Ans: ✓ ✓ ✓
loose flywheel bolts
© Get it right 2025 Getaway - Stuvia US All rights reserved
, Click here for more: Scholars nexus
During a cylinder leakage test , a hissing sound is heard coming from the throttle bottle. This sound
indicates: Ans: ✓ ✓ ✓ A bad intake valve
Vehicle has white colored exhaust emitting from its tailpipe at all engine speeds. Which of these
could be the cause? Ans: ✓ ✓ ✓ leaking head gasket
RTV (Room Temperature Vulcanizing) aerobic sealant: Ans: ✓ ✓ ✓ cures in the presence of air
A high mileage engine has a knocking sound that goes away as it warms and reaches operating
temperature. Which of these is MOST likely causing this noise? Ans: ✓ ✓ ✓ piston to wall
clearance
technician A says preignition occurs when a flame front ignites in the combustion chamber before
the spark plug fires. Technician B says installing the wrong spark plug in an engine can result in
detonation. Who is correct? Ans: ✓ ✓ ✓ Both a and b
A turbocharged engine emits blue grey exhaust. Which of these could be the cause? Ans: ✓ ✓ ✓
faulty turbocharger oil seals
there is a loud squeal at the front of a supercharged V6 engine that gets louder as the engine is
accelerated. Which of the following is causing this noise? Ans: ✓ ✓ ✓ the front roller bearings
A vehicle's engine is slow cranking. Which of the following should the technician check first? Ans:
✓ ✓ ✓ the battery
A vehicle with a new fully charged battery continues to discharge overnight. A battery state of
charge test indicates 9.2 volts the next morning . Which test is used to diagnose this condition?
Ans: ✓ ✓ ✓ a parasitic drain test
Technician A says to use a cylinder bore gauge to measure the cylinders bore for excessive taper.
Technician B says to measure the cylinders bore for an out of round condition before installing new
pistons. Who is correct? Ans: ✓ ✓ ✓ Both a and b
When replacing connecting rod bearings in an engine: Ans: ✓ ✓ ✓ do not mix connecting rods and
rod caps
to repair a small crack in a cast-iron engine block using the metal pinning method use all of the
following tools EXCEPT: Ans: ✓ ✓ ✓ welding rod
Which of the following results in low oil pressure Ans: ✓ ✓ ✓ worn crankshaft bearing
© Get it right 2025 Getaway - Stuvia US All rights reserved
