USPS EXAM L EXAM QUESTIONS AND ANSWERS (VERIFIED ANSWERS) MOST RECENT EXAM COMPLETE (2026) (LATEST UPDATE 2026)

USPS EXAM 943 944 945 L EXAM
QUESTIONS AND ANSWERS (VERIFIED
ANSWERS) MOST RECENT EXAM
COMPLETE (2026) (LATEST UPDATE
2026)


HC correct answer hydrocarbons


Hc is caused by correct answer Misfire


Nox correct answer High exhaust temps caused by high
combustion temp


Egr open correct answer Lean


Egr closed correct answer Rich


Rich correct answer Black smoke


Lean correct answer White smoke


Secondary spring correct answer Goes on first


lower ball joint correct answer Load bearing

, Vacuum range correct answer 14-22 "


Cam to crank correct answer Crank turns 2 times per 1 cam
rotation


What is used for piston pin diameter correct answer
Micrometer


Amp correct answer Electrical current


Ohm correct answer unit of resistance


Volt correct answer Unit of electric pressure


What tool measures amps correct answer Ammeter


What tool measures ohms correct answer Ohmmeter


What tool measures Volts correct answer Voltmeter


What is measured in volts correct answer Battery's


What is measured in amps correct answer Current stored
capacity of power source