Quiz 17

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

• 1. Mufflers

• 1. Tailpipes

• 1. Exhaust manifolds

• 1. Catalytic converters

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

• 1. PCV

• 1. exhaust gas recirculation

• 1. oxygen sensor

• 1. charcoal canister

The __________ is basically a silencer to reduce noise pollution.

• 1. muffler

• 1. tailpipe

• 1. exhaust manifold

• 1. exhaust hanger

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

• 1. EGR valve

• 1. PCV valve

• 1. EVAP/carbon canister

• 1. exhaust pipe

 What forms from hydrocarbons, nitrogen oxides, and sunlight?

• 1. rain clouds

• 1. photochemical smog

• 1. carbon dioxide

• 1. oxygen

What three areas is vehicle pollution generally classified? 

• 1. tailpipe, crankcase, and evaporative emissions

• 1. engine, tailpipe, and transmission emissions

• 1. engine, valvetrain, and combustion emissions

• 1. catalytic, engine, and exhaust manifold emissions

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

• 1. carbon dioxide

• 1. oxygen

• 1. nitrogen

• 1. carbon monoxide

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

• 1. exhaust

• 1. engine crankcase

• 1. evaporative fuel vapors

• 1. brake fluid master cylinder

 What smog score is associated with a Zero Emission Vehicle?    

• 1. 10

• 1. 6

• 1. 5

• 1. 1

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

• 1. carbon monoxide

• 1. hydrocarbons

• 1. microcarbons

• 1. particulate matter