autoUpkeepFuelSystem

Most automobiles in production today depend on either ________ or ________.

• • propane or natural gas

• • solar or wind power

• • gasoline or diesel

• diesel or electricity

The purpose of the __________ system is to store, transfer, clean, and then mix the fuel with air.

• lubrication

• fuel

• cooling

• suspension

In gasoline engines the cleanest burning and most efficient mixture under moderate load conditions is when the mass ratio is close to __________ parts of air to 1 part of gasoline (i.e., stoichiometric ratio).

• 8.7

• 12.7

• 14.7

• 16.7

When there is __________ air above the ideal 14.7:1 AFR, it is considered a lean air-fuel mixture.

• none

• high

• low

When there is __________ 14.7:1 air-fuel ratio (AFR), it is considered a rich air-fuel mixture.

• • an exact

• • more air than the ideal

• • less air than the ideal

Ford Motor Company introduced a __________ fuel filler called Easy Fuel™ in 2008.

• capless

• • lockable gas cap

• click to seal gas cap

• • smartphone based

The fuel (gas) tank, made of either steel or plastic, __________.

• transfers the fuel

• • cleans the fuel

• • pressurizes the fuel

• stores the fuel

What type of fuel pump is this?

• • in-tank electric

• • low pressure mechanical

• • high pressure mechanical

• high pressure electrical

What type of fuel pump is this?

• • in-tank electric

• • low pressure mechanical

• • high pressure mechanical

• high pressure electrical

What type of fuel pump is this?

• • in-tank electric

• • low pressure mechanical

• • high pressure mechanical

• high pressure electrical