Chapter 17 Review

___________ are commonly made out of cast iron and connect directly to the engine.

• a.       Mufflers

• b.      Tailpipes

• c.       Exhaust manifolds

• d.      Catalytic converters

The ____________ system reduces nitrogen oxide emissions by diluting the air-fuel mixture with the exhaust gases.

• a.       PCV

• b.      exhaust gas recirculation

• c.       oxygen sensor

• d.      charcoal canister

The __________ is basically a silencer to reduce noise pollution.

• a.       muffler

• b.      tailpipe

• c.       exhaust manifold

• d.      exhaust hanger

A/An  ______________ connects the catalytic converter to the muffler.

• a.       EGR valve

• b.      PCV valve

• c.       EVAP/carbon canister

• d.      exhaust pipe

What forms from hydrocarbons, nitrogen oxides, and sunlight?

• a.       rain clouds

• b.      photochemical smog

• c.       carbon dioxide

• d.      oxygen

What three areas is vehicle pollution generally classified?

• a.       tailpipe, crankcase, and evaporative emissions

• b.      engine, tailpipe, and transmission emissions

• c.       engine, valvetrain, and combustion emissions

• d.      catalytic, engine, and exhaust manifold emissions

Which of the following is a colorless, odorless, and poisonous gas?   

• a.       carbon dioxide

• b.      oxygen

• c.       nitrogen

• d.      carbon monoxide

Which of the following is NOT a source of automotive emissions?   

• a.       exhaust

• b.      engine crankcase

• c.       evaporative fuel vapors

• d.      brake fluid master cylinder

What smog score is associated with a Zero Emission Vehicle?   

• a.       10

• b.      6

• c.       5

• d.      1

What are fine particles, smoke, and soot from diesel vehicles?   

• a.       carbon monoxide

• b.      hydrocarbons

• c.       microcarbons

• d.      particulate matter