Question

the feedback looping system in a three - way catalytic converter serves to adjust
○ a. the air - fuel ratio.
○ b. engine speed.
○ c. the temperature in the passenger cabin.
○ d. fuel consumption.

Explanation:

A three - way catalytic converter's feedback looping system monitors and adjusts the air - fuel ratio to ensure efficient combustion and reduce emissions. Engine speed is controlled by the throttle and engine management for power output. The temperature in the passenger cabin is regulated by the HVAC system. Fuel consumption is a result of driving habits and engine efficiency, not directly adjusted by the catalytic converter's feedback system.

Answer:

A. The air - fuel ratio