Author Question: For lowest hydrocarbon emissions, which of these engine design features is used? A) Non-centrally ... (Read 939 times)

karlynnae · **on:** Jun 23, 2018

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