The automotive engine uses about ________ gallons of air for ...

[shofmannx20]

The automotive engine uses about ________ gallons of air for every gallon of gasoline burned at an air-fuel ratio of 14.7 to 1.
 
  A) 2000 B) 7000 C) 9000 D) 4000

Question 2

Exhaust passages are included in some intake manifolds. Technician A says that the exhaust passages are used for exhaust gas recirculation (EGR) systems. Technician B says that the upper intake is often called the plenum. Which technician is correct?
 
  A) Technician A B) Technician B
  C) Both Technicians D) Neither Technician

[macagnavarro]

Answer to Question 1

C

Answer to Question 2

C