Technician A says that air-fuel ratio lambda numbers lower than ...

[ENagel]

Technician A says that air-fuel ratio lambda numbers lower than 1.0 indicate a lean mixture. Technician B says that air-fuel ratio lambda numbers higher than 1.0 indicate a rich mixture. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

Older fuel injection systems (multiport or gang-fired systems) were capable of providing an air-fuel mixture within an accuracy of about ________ of stoichiometric.
 
  A) 6 B) 8 C) 2 D) 4

[yifu223]

Answer to Question 1

D

Answer to Question 2

C

[ENagel]

Excellent

[Animal_Goddess]

Thanks for the timely response, appreciate it