Emissions Inspector Certification Exam
2025 With 100% Correct Answers
Inspectors are required to keep all information up to date on the emissions training portal. - correct
answers ✔✔
Written exam made up of 50 questions. A grade of 80% or higher is required to pass. - correct answers
✔✔
Take a 1-hour final exam. - correct answers ✔✔
To enroll you must be at least 18 years of age and have a valid drivers license. - correct answers ✔✔
EIC expires every 2 years. It is the emission inspectors' responsibility to visit the training portal. - correct
answers ✔✔
HCs are the unburned fuel of any class of organic compound composed of carbon and hydrogen. -
correct answers ✔✔
NOx are formed in vehicle engines during the combustion of fuel at high temperatures. When NOx is
combined with HC and exposed to SUNLIGHT, smog is created. - correct answers ✔✔
Ozone (O3) is not emitted directly into the air, but rather is created at ground level by a chemical
reaction between NOx and HC in the presence of SUNLIGHT. - correct answers ✔✔
You need a lean indicator to determine the mixture accurately and to make a diagnosis, with or without
a converter. O2 is our best lean indicator, because the levels change during lean mixtures. - correct
answers ✔✔
, CO2 is a desirable component of exhaust. A higher CO2 percentage indicates combustion efficiency. The
more efficient the burn is, the more efficient the vehicle is running. - correct answers ✔✔
NOx is the result of combining nitrogen (N) and O2 atoms. - correct answers ✔✔
NOx production usually ranges between 1,700 to 2,500 part per million (ppm). - correct answers ✔✔
Automobiles produce the most NOx pollution. - correct answers ✔✔
First emission control device - 1960 - correct answers ✔✔
In 1990, congress set the requirements for an enhanced program in the CLEAN AIR ACT AMENDMENT. -
correct answers ✔✔
Clean air is our goal. - correct answers ✔✔
Always look at the sticker or plate located on the vehicle to determine the GVWR. Do not rely on the
GVWR stated on the vehicle registration. - correct answers ✔✔
Gasoline-powered buses that seat 15 or fewer and have GVWR of 9,000 pounds or less are also required
to undergo emissions testing. - correct answers ✔✔
8,500 or Less - IM check, 8,501 - 9,000 - 2 speed idle. - correct answers ✔✔
Classic, antique, specially constructed, or collectable motor vehicles are not subject to receive emissions
(stated as such). - correct answers ✔✔
You should never conduct a test on a customers' vehicle without his or her permission. - correct answers
✔✔
2025 With 100% Correct Answers
Inspectors are required to keep all information up to date on the emissions training portal. - correct
answers ✔✔
Written exam made up of 50 questions. A grade of 80% or higher is required to pass. - correct answers
✔✔
Take a 1-hour final exam. - correct answers ✔✔
To enroll you must be at least 18 years of age and have a valid drivers license. - correct answers ✔✔
EIC expires every 2 years. It is the emission inspectors' responsibility to visit the training portal. - correct
answers ✔✔
HCs are the unburned fuel of any class of organic compound composed of carbon and hydrogen. -
correct answers ✔✔
NOx are formed in vehicle engines during the combustion of fuel at high temperatures. When NOx is
combined with HC and exposed to SUNLIGHT, smog is created. - correct answers ✔✔
Ozone (O3) is not emitted directly into the air, but rather is created at ground level by a chemical
reaction between NOx and HC in the presence of SUNLIGHT. - correct answers ✔✔
You need a lean indicator to determine the mixture accurately and to make a diagnosis, with or without
a converter. O2 is our best lean indicator, because the levels change during lean mixtures. - correct
answers ✔✔
, CO2 is a desirable component of exhaust. A higher CO2 percentage indicates combustion efficiency. The
more efficient the burn is, the more efficient the vehicle is running. - correct answers ✔✔
NOx is the result of combining nitrogen (N) and O2 atoms. - correct answers ✔✔
NOx production usually ranges between 1,700 to 2,500 part per million (ppm). - correct answers ✔✔
Automobiles produce the most NOx pollution. - correct answers ✔✔
First emission control device - 1960 - correct answers ✔✔
In 1990, congress set the requirements for an enhanced program in the CLEAN AIR ACT AMENDMENT. -
correct answers ✔✔
Clean air is our goal. - correct answers ✔✔
Always look at the sticker or plate located on the vehicle to determine the GVWR. Do not rely on the
GVWR stated on the vehicle registration. - correct answers ✔✔
Gasoline-powered buses that seat 15 or fewer and have GVWR of 9,000 pounds or less are also required
to undergo emissions testing. - correct answers ✔✔
8,500 or Less - IM check, 8,501 - 9,000 - 2 speed idle. - correct answers ✔✔
Classic, antique, specially constructed, or collectable motor vehicles are not subject to receive emissions
(stated as such). - correct answers ✔✔
You should never conduct a test on a customers' vehicle without his or her permission. - correct answers
✔✔
