ASE G1 MLR Practice Exam: Key Engine Systems Concepts
The automotive repair process is a six step process. what is the last step in that process - correct answer
✔✔B. Verifying the repair
A vehicle comes in the shop with an engine noise. what should be done first? - correct answer ✔✔A.
Discuss the noise with the vehicle owner
A spark ignition engine has a flapping sound near the front which of the following could be the cause? -
correct answer ✔✔D. Loose timing belt
A tight timing belt makes what type of noise? - correct answer ✔✔B.whining sound
An orange colored liquid is found under the front of the engine. What is leaking? - correct answer ✔✔B.
Coolant
There is a blue fluid beneath vehicle. The fluid is most likely_____________. - correct answer ✔✔B.
Windshield washer fluid
The use of what type of diesel fuel is critical to diesel exhaust fluid used is SCR (selective catalyst
reduction) systems? - correct answer ✔✔B. Ultra low sulfur diesel
The DEF (diesel exhaust fuel) is added at what location on a light duty diesel powered vehicle? - correct
answer ✔✔A. Fitting near fuel door
Two technicians are discussing DEF ( diesel exhaust fluid). Technician A says ut is acceptable to add water
to the DEF. Technician B says you can use a refractometer to measure the density and quality to the DEF.
Who is right? - correct answer ✔✔B. B only
Two technicians are discussing engine coolant. Technician A says a weak solution of 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? - correct answer
✔✔
The automotive repair process is a six step process. what is the last step in that process - correct answer
✔✔B. Verifying the repair
A vehicle comes in the shop with an engine noise. what should be done first? - correct answer ✔✔A.
Discuss the noise with the vehicle owner
A spark ignition engine has a flapping sound near the front which of the following could be the cause? -
correct answer ✔✔D. Loose timing belt
A tight timing belt makes what type of noise? - correct answer ✔✔B.whining sound
An orange colored liquid is found under the front of the engine. What is leaking? - correct answer ✔✔B.
Coolant
There is a blue fluid beneath vehicle. The fluid is most likely_____________. - correct answer ✔✔B.
Windshield washer fluid
The use of what type of diesel fuel is critical to diesel exhaust fluid used is SCR (selective catalyst
reduction) systems? - correct answer ✔✔B. Ultra low sulfur diesel
The DEF (diesel exhaust fuel) is added at what location on a light duty diesel powered vehicle? - correct
answer ✔✔A. Fitting near fuel door
Two technicians are discussing DEF ( diesel exhaust fluid). Technician A says ut is acceptable to add water
to the DEF. Technician B says you can use a refractometer to measure the density and quality to the DEF.
Who is right? - correct answer ✔✔B. B only
Two technicians are discussing engine coolant. Technician A says a weak solution of 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? - correct answer
✔✔
