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WorksheetsEmissions quiz
Total questions: 15
Worksheet time: 9mins
EPA; agency that updates regulations to reduce engine emissions
Environmental Protection Agency
Emission Standards
Emission Systems
Evaporated emissions create?
CO
CO2
HC
A chemically correct AF ratio is also termed?
Stoichiometric
Pascal
Zirconium
The component in the illustration is a ______________ ____________.
Charcoal Canister
Vent Valve
Purge Tank
The canister vent solenoid is:
normally open
normally closed
not used on domestic vehicles
The purge solenoid is located between the charcoal canister and the:
intake manifold
vent solenoid
fuel tank
PCV stands for?
Pressurized canister vent
Positive Crankcase Ventilation
Pre carbon ventilation
The purpose of the PCV system is to
Reburn blow-by gases in the crankcase
Filter gasoline vapors
Vent blow-by gases in the atmosphere
What does EGR stand for?
Exhaust gas refresh
Engine gas recycle
Exhaust gas recirculation
The purpose of the EGR system is to?
Lower NOX
Lower combustion temperatures
All of the above
Name this component
PCV valve
Vent valve
EGR valve
Name this component
EGR valve
PCV valve
Vent valve
Name this component
Catalytic converter
Muffler
Flex pipe
The monitors exhaust gases and helps determine the air fuel ratio (a)
This graphed bank 1 O2 sensor reading would indicate?
Faulty O2 sensor
Lean Air fuel mixture
Normal O2 sensor
