USPS Exams 943 944 945 Study Guide 44 Questions And Answers Set 06
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Terms in this set
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Usps exam 943 944 945
Exam Coverage
Exam coverage for the USPS Exams 943, 944, and 945 includes the automotive knowledge, diagnostic skills, and mechanical aptitude required for United States Postal Service (USPS) Vehicle Maintenance Facility (VMF) positions, including Automotive Technician, Automotive Mechanic, and Garageman roles. These examinations assess a candidate's ability to inspect, diagnose, repair, and maintain USPS fleet vehicles while following established maintenance procedures and safety standards.
Additional topics include gasoline and diesel engine operation, fuel and ignition systems, emissions control systems, engine performance diagnostics, electrical and electronic systems, batteries and charging systems, starting systems, steering and suspension, brake systems (including ABS), transmissions and drivetrains, HVAC systems, hydraulic systems, preventive maintenance, shop safety, tool identification and usage, reading service
Exam coverage for the USPS Exams 943, 944, and 945 includes the automotive knowledge, diagnostic skills, and mechanical aptitude required for United States Postal Service (USPS) Vehicle Maintenance Facility (VMF) positions, including Automotive Technician, Automotive Mechanic, and Garageman roles. These examinations assess a candidate's ability to inspect, diagnose, repair, and maintain USPS fleet vehicles while following established maintenance procedures and safety standards.
Additional topics include gasoline and diesel engine operation, fuel and ignition systems, emissions control systems, engine performance diagnostics, electrical and electronic systems, batteries and charging systems, starting systems, steering and suspension, brake systems (including ABS), transmissions and drivetrains, HVAC systems, hydraulic systems, preventive maintenance, shop safety, tool identification and usage, reading service
Hc is caused by
Misfire
Nox
High exhaust temps caused by high combustion temp
Egr open
Lean
Egr closed
Rich
Rich
Black smoke
Lean
White smoke
Secondary spring
Goes on first
lower ball joint
Load bearing
Vacuum range
14-22 "