For lowest hydrocarbon emissions, which of these engine design ...

[karlynnae]

For lowest hydrocarbon emissions, which of these engine design features is used?
 
  A) Non-centrally mounted spark plug
  B) Increased (as much as possible) quench area
  C) High combustion chamber surface area-to-volume ratio
  D) Low combustion chamber surface area-to-volume ratio

Question 2

Technician A says that the most commonly used combustion chamber types include hemispherical, and wedge. Technician B says that coolant and lubricating openings and passages are located throughout most cylinder heads. Which technician is correct?
 
  A) Technician A B) Technician B C) Both technicians D) Neither technician

[diesoon]

Answer to Question 1

D

Answer to Question 2

C

[karlynnae]

Excellent

[aliotak]

Gracias!