Author Question: To help ensure proper engine cooling, most cylinder head designs use ________. A) Large exhaust ... (Read 53 times)

segrsyd · **on:** Jun 23, 2018

To help ensure proper engine cooling, most cylinder head designs use ________.

A) Large exhaust crossover passages B) Short exhaust ports and long intake ports
C) Coolant passages restricted by head gaskets D) Long exhaust ports and short intake ports

Question 2

For lowest hydrocarbon emissions, which of these engine design features is used?

A) Non-centrally mounted spark plug
B) High combustion chamber surface area-to-volume ratio
C) Increased (as much as possible) quench area
D) Low combustion chamber surface area-to-volume ratio