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WorksheetsIMI Fuel injection Micro Teach
Total questions: 11
Worksheet time: 6mins
What does EFI stand for?
Electronic Fuel Ignition
Electron Fission Indicator
Electronic Fuel Injection
Electron Fusion Indicator
What is often integrated into the MAF Sensor
MAP Sensor
Air Intake Temperature Sensor
Engine Speed Sensor
Road Speed Sensor
Why do we need to alter the amount of fuel injected?
Select all relevant answers.
To account for different engine speeds
To account for different engine loads
To account for different atmospheric pressure
To meet EU legislation
What is the stoichiometric ratio for Air to Petrol
15:1
1:14.7
1:15
14.7:1
If we have 10g of Petrol, how many grams of Air do we need for Stoichiometric combustion?
14.7g
1.47g
147g
1.5g
What does MAP stand for in a MAP sensor
Maximum Air Pressure
Manifold Air Flow
Manifold Absolute Pressure
Manifold Air Pressure
What does MAF stand for in a MAF sensor
Mass Air Pressure
Mass Air Flow
Manifold Absolute Pressure
Manifold Air Pressure
What is the firing order of a standard 4 cylinder engine?
1432
1234
1342
1234
Whose principle is used in Carburettors?
Bernadette's
Bernhard's
Bernoulli's
Piezo's
What does the first Oxygen or Lambda sensor tell us?
If the fuel mixture is correct
How much air enters the engine
How well the catalytic converter is working
What the oxygen pressure is
What does the second Oxygen or Lambda sensor tell us?
If the fuel mixture is correct
How much air enters the engine
How well the catalytic converter is working
What the oxygen pressure is
