Usps exam 943 944 945 l Exam Questions and
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Terms in this set (44)
HC hydrocarbons
Hc is caused by Misfire
Nox High exhaust temps caused by high combustion
temp
Egr open Lean
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, 1/20/26, 7:10 AM Usps exam 943 944 945 l Exam Questions and Answers (Verified Answers) Most Recent exam COMPLETE (2026) (Latest Update …
Egr closed Rich
Rich Black smoke
Lean White smoke
Secondary spring Goes on first
lower ball joint Load bearing
Vacuum range 14-22 "
Cam to crank Crank turns 2 times per 1 cam rotation
What is used for piston pin diameter Micrometer
Amp Electrical current
Ohm unit of resistance
Volt Unit of electric pressure
What tool measures amps Ammeter
What tool measures ohms Ohmmeter
What tool measures Volts Voltmeter
What is measured in volts Battery's
What is measured in amps Current stored capacity of power source
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