Deck 82: Vehicle Emission Standards and Testing

Question 1

A dizzy feeling or a headache could indicate the presence of carbon monoxide (CO).

Answer 1

True

Question 2

Most high milage vehicles cannot pass an exhaust emission test.

Answer 2

False

Question 3

Some states have a testing program that uses I/M 240 testing procedures. The number 240 refers to ________.

A)The maximum level of HC emissions, 240 ppm
B)The length of the loaded mode test, 240 seconds
C)240 pounds of load to be placed in the passenger seat
D)None of these

Answer 3

The length of the loaded mode test, 240 seconds

Question 4

A vehicle is undergoing a SHED test. What is being measured?

A)Lighting pollution
B)Evaporative emissions
C)Zero emissions
D)Tail pipe gasses

Question 5

A clogged EGR could cause excessive ________ exhaust emissions

A)CO₂
B)NOx
C)CO
D)HC

Question 6

Which gas indicates efficiency? (The higher the level of this gas, the more efficient the engine is operating.)

A)HC
B)CO
C)CO₂
D)O₂