NCED Emissions Control & Environmental Compliance 2

Question 1

Under the Clean Air Act, which agency is primarily responsible for setting and enforcing National Ambient Air Quality Standards (NAAQS)?

Accepted Answer

EPA

Answer

The Environmental Protection Agency (EPA) is responsible for establishing and enforcing NAAQS under the Clean Air Act.

Question 2

A vehicle fails an OBD-II emissions inspection. Which condition most commonly triggers a 'readiness monitor not complete' result?

Accepted Answer

Recently cleared DTC codes or battery disconnect

Answer

Clearing DTCs or disconnecting the battery resets readiness monitors, requiring the vehicle to complete a full drive cycle before passing inspection.

Question 3

Which greenhouse gas regulation requires large stationary sources to report annual greenhouse gas emissions to the EPA?

Accepted Answer

GHGRP (40 CFR Part 98)

Answer

The Greenhouse Gas Reporting Program (40 CFR Part 98) mandates that large emitters report their annual GHG emissions to the EPA.

Question 4

An industrial facility exceeds its permitted NOx emission limit during a summer ozone action day. This violation is most likely reported under which mechanism?

Accepted Answer

Title V permit deviation report

Answer

Exceedances of Title V permit emission limits must be reported to the permitting authority as permit deviations.

Question 5

What is the primary purpose of a Tier 3 vehicle emission standard introduced by the EPA in 2014?

Accepted Answer

Lower tailpipe PM and NOx limits and reduce sulfur in gasoline

Answer

Tier 3 standards reduced tailpipe particulate matter and NOx limits and required lower sulfur content in gasoline to enable advanced emission controls.

(NCED) Nationally Certified Educational Diagnostician Practice Test

(NCED) Nationally Certified Educational Diagnostician Practice Test

NCED Emissions Control & Environmental Compliance 2