Question

which of the following is not an example of emissions testing equipment?
a. chassis dynamometer
b. gas analyzer
c. scan tool
d. dmm/test light

Explanation:

• A chassis dynamometer is used to test vehicle emissions by simulating road conditions.
• A gas analyzer measures the pollutants in vehicle exhaust.
• A scan tool can access and analyze emission - related data in a vehicle's computer system.
• A DMM (Digital Multimeter)/test light is mainly used for electrical circuit testing (measuring voltage, current, resistance etc.) and not for emissions testing.

Answer:

d. DMM/test light