Technician A says a three-way catalytic converter (TWC) oxidizes carbon monoxide and hydrocarbons into carbon dioxide and water. Technician B says a TWC reduces NO x into nitrogen and carbon dioxide. Who is correct?
A) A only
B) B only
C) both A and B
D) neither A nor B
Correct Answer:
Verified
Q30: Technician A says the EGR vent solenoid
Q31: OBD-II canister purge systems are being discussed.
Q32: Carbon monoxide is being discussed. Technician A
Q33: An I/M 240 test lasts _ minutes.
A)two
B)four
C)six
D)eight
Q34: Technician A says oil in the PCV
Q36: Technician A says HC emissions are caused
Q37: The enhanced evaporative emission system (OBD-II)can detect
Q38: The AIR system reduces _.
A)hydrocarbons
B)carbon monoxide
C)both A
Q39: Technician A says the back pressure transducer
Q40: All the following are considered harmful gases
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