USPS EXAMS 943, 944 & 945 QUESTIONS AND CORRECT
ANSWERS (ORIGINAL PRACTICE ANSWERS) PLUS
RATIONALES 2026/2027 Q&A | INSTANT DOWNLOAD PDF.
CORE DOMAINS
Position Classification and Exam Structure
Safety Practices and Procedures
Tools and Equipment Identification
Preventive Maintenance and Inspections
Electrical and Electronic Systems
Brake Systems
Steering and Suspension Systems
Engine Mechanical and Performance
Fuel, Emissions, and Exhaust Systems
Driveline and Transmission Systems
INTRODUCTION
This assessment evaluates the automotive knowledge and
diagnostic reasoning required for USPS automotive mechanic
and technician positions. It measures safety practices, tool
identification, preventive maintenance, electrical systems,
brakes, steering and suspension, engine performance, fuel and
emissions, driveline systems, and workplace scenarios. The
examination uses multiple-choice and scenario-based
questions that emphasize real-world application, federal fleet
,protocols, and critical decision-making. Candidates must
demonstrate technical competence and professional
judgment. The structure supports comprehensive review and
readiness for USPS Exams 943, 944, and 945.
SECTION ONE: QUESTIONS 1–100
Question 1
Exam 943 is used to hire which type of USPS maintenance
position?
A. Maintenance Support Clerk
🟢 B. Automotive Mechanics responsible for routine
maintenance and repair
C. Automotive Technicians responsible for complex repairs
D. Mail Processing Equipment Mechanics
🔴 RATIONALE: Exam 943 is a technical test used to hire
Automotive Mechanics who perform routine types of
maintenance and repair on USPS vehicles.
Question 2
Exam 944 is used to hire which type of USPS maintenance
position?
A. Automotive Mechanics responsible for routine
maintenance
🟢 B. Automotive Technicians who handle more complex
,maintenance and repair
C. Maintenance Support Clerks
D. Mail Processing Equipment Mechanics
🔴 RATIONALE: Exam 944 is used for Automotive
Technicians who handle more complex maintenance and
repair.
Question 3
Exam 945 is designed for which level of automotive
technician?
A. Entry-level mechanics
B. Routine maintenance technicians
🟢 C. Advanced/Specialized Technicians performing
advanced troubleshooting and diagnostics
D. Maintenance Support Clerks
🔴 RATIONALE: Exam 945 is for Advanced/Specialized
Technicians who perform advanced troubleshooting and
diagnostics.
Question 4
Which of the following is the primary responsibility of an
Automotive Mechanic hired through Exam 943?
A. Complex electronic diagnostics
B. Routine maintenance and repair
, C. Transmission overhauls
D. Advanced troubleshooting
🔴 RATIONALE: Exam 943 hires Automotive Mechanics
responsible for routine maintenance and repair on USPS
vehicles.
Question 5
What is the primary difference between Exam 943 and Exam
944?
A. Exam 943 covers electrical systems only
🟢 B. Exam 943 is for routine maintenance, while Exam 944
is for complex maintenance and repair
C. Exam 944 is for entry-level positions
D. Exam 943 is for supervisors
🔴 RATIONALE: Exam 943 is a technical test for Automotive
Mechanics performing routine maintenance, while Exam 944
is for Automotive Technicians handling more complex
repairs.
Question 6
Which position requires the highest level of diagnostic skill?
A. Automotive Mechanic (Exam 943)
B. Automotive Technician (Exam 944)
ANSWERS (ORIGINAL PRACTICE ANSWERS) PLUS
RATIONALES 2026/2027 Q&A | INSTANT DOWNLOAD PDF.
CORE DOMAINS
Position Classification and Exam Structure
Safety Practices and Procedures
Tools and Equipment Identification
Preventive Maintenance and Inspections
Electrical and Electronic Systems
Brake Systems
Steering and Suspension Systems
Engine Mechanical and Performance
Fuel, Emissions, and Exhaust Systems
Driveline and Transmission Systems
INTRODUCTION
This assessment evaluates the automotive knowledge and
diagnostic reasoning required for USPS automotive mechanic
and technician positions. It measures safety practices, tool
identification, preventive maintenance, electrical systems,
brakes, steering and suspension, engine performance, fuel and
emissions, driveline systems, and workplace scenarios. The
examination uses multiple-choice and scenario-based
questions that emphasize real-world application, federal fleet
,protocols, and critical decision-making. Candidates must
demonstrate technical competence and professional
judgment. The structure supports comprehensive review and
readiness for USPS Exams 943, 944, and 945.
SECTION ONE: QUESTIONS 1–100
Question 1
Exam 943 is used to hire which type of USPS maintenance
position?
A. Maintenance Support Clerk
🟢 B. Automotive Mechanics responsible for routine
maintenance and repair
C. Automotive Technicians responsible for complex repairs
D. Mail Processing Equipment Mechanics
🔴 RATIONALE: Exam 943 is a technical test used to hire
Automotive Mechanics who perform routine types of
maintenance and repair on USPS vehicles.
Question 2
Exam 944 is used to hire which type of USPS maintenance
position?
A. Automotive Mechanics responsible for routine
maintenance
🟢 B. Automotive Technicians who handle more complex
,maintenance and repair
C. Maintenance Support Clerks
D. Mail Processing Equipment Mechanics
🔴 RATIONALE: Exam 944 is used for Automotive
Technicians who handle more complex maintenance and
repair.
Question 3
Exam 945 is designed for which level of automotive
technician?
A. Entry-level mechanics
B. Routine maintenance technicians
🟢 C. Advanced/Specialized Technicians performing
advanced troubleshooting and diagnostics
D. Maintenance Support Clerks
🔴 RATIONALE: Exam 945 is for Advanced/Specialized
Technicians who perform advanced troubleshooting and
diagnostics.
Question 4
Which of the following is the primary responsibility of an
Automotive Mechanic hired through Exam 943?
A. Complex electronic diagnostics
B. Routine maintenance and repair
, C. Transmission overhauls
D. Advanced troubleshooting
🔴 RATIONALE: Exam 943 hires Automotive Mechanics
responsible for routine maintenance and repair on USPS
vehicles.
Question 5
What is the primary difference between Exam 943 and Exam
944?
A. Exam 943 covers electrical systems only
🟢 B. Exam 943 is for routine maintenance, while Exam 944
is for complex maintenance and repair
C. Exam 944 is for entry-level positions
D. Exam 943 is for supervisors
🔴 RATIONALE: Exam 943 is a technical test for Automotive
Mechanics performing routine maintenance, while Exam 944
is for Automotive Technicians handling more complex
repairs.
Question 6
Which position requires the highest level of diagnostic skill?
A. Automotive Mechanic (Exam 943)
B. Automotive Technician (Exam 944)