If the vehicle is operated at an altitude higher than calibration altitude, ……… mixture is obtained.
A. lean
B. rich
C. chemically equal
D. none of the mentioned
Answer:A
If the vehicle is operated at an altitude higher than calibration altitude, ……… mixture is obtained.
A. lean B. rich C. chemically equal D. none of the mentioned
Explanation: If The vehicle is operated at an altitude higher than calibration altitude, generally, rich mixture is obtained.