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Inspection and Emissions Final test Questions with Correct Answers
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Inspection and Emissions Final test Questions with Correct Answers
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Inspection and Emissions Final test Questions withCorrect Answers
station hotline Correct Answer-general/specific program questions
customer hotline Correct Answer-for motorists to get answers
sticker department Correct Answer-help with sticker and insert orders
what is covered in emissions inspector certification (EIC)? Correct
Answer-visual antitampering check
two-speed idle (TSI) test
gas-cap test
on- board diagnostics (OBD) I/M checks
a Pa emissions inspector must meet what requirements? Correct Answer-
at least 18
have a valid drivers license
enroll/qualify with PennDot
Successfully complete the EIC course
where does air pollution come from? Correct Answer-hydrocarbons
(HCs)
carbon monoxide (CO)
nitrogen oxides (NOx)
,sulfur dioxide (S02)
particulate matter that is released into the atmosphere
ozone (smog)
examples of hyrdocarbons Correct Answer-gasoline
diesel
natural gas
what are 2 ways that excessive HCs are emitted by vehicles? Correct
Answer-incomplete combustion
fuel evaporation
what can tailpipe HC emissions be caused by? Correct Answer-ignition
system misfiring
improper ignition timing
rich fuel mixtures
engine mechanical deficiencies
uneven fuel injector delivery
anything that would harm or influence the combustion process
what is CO? Correct Answer-a colorless, odorless, and poisonous gas
how is CO produced? Correct Answer-by the incomplete burning of a
fuel
,abreviation for ozone smog Correct Answer-O3
When are NOx formed in the engine? Correct Answer-during high
temperature combustions
how is smog created? Correct Answer-NOx and HC combine and then
exposed to sunlight
what is NOx the primary cause of? Correct Answer-acid rain
short term effects of NOx Correct Answer-irritation of the eyes, nose,
and throat
long term effect Correct Answer-respiratory problems (ex. asthma)
excessive NOx emissions can be caused by what? Correct Answer-lean
air fuel mixture
defective exhaust gas recirculation valve (EGR)
higher than normal engine temperatures
vacuum leaks
advanced ignition timing
too much or too little of oxygen can cause what? Correct Answer-
improper combustion
, the improper combustion of oxygen creates what? Correct Answer-
pollution
What can cause not enough O2 emissions? Correct Answer-rich air fuel
mixture
dirty air filter
faulty injectors
high fuel pressures
a defective system sensor
restricted pcv system
EVAP system purging at low or idle speeds
too much O2 can be caused by what? Correct Answer-lean air fuel
mixture
vacuum leak
engine misfire
exhaust leak
how is ozone smog created? Correct Answer-a chemical reaction
between NOx and HC in sunlight
ozone doesnt go straight into the air, instead where is it created? Correct
Answer-at ground level
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