USPS 943 Exam Questions & Answers 2025/2026 ( A+ GRADED 100% VERIFIED)

USPS 943 Exam


1. Which of the following conditions will result when a brake drum is out of round?
A. a low pedal
B. a spongy pedal
C. a high pedal
D. a pulsating pedal
E. a hard pedal - ANS - D. a pulsating pedal

10. Which of the following is used to adjust the up and down clearance between an
I-beam or solid front axle and the steering knuckle?
A. idler arm
B. truck arm
C. thrust bearing
D. king pin
E. spacer shims - ANS - E. spacer shims

3. In an automatic transmission, which of the following is part of a planetary gear set?
A. impeller
B. modulator
C. pinion
D. alternator
E. rotor - ANS - C. pinion

4. During a cylinder leakage test, what is indicated when air escapes through the
radiator from two adjacent cylinders?
A. worn cylinder walls
B. defective cylinder head gasket
C. leaking piston rings
D. worn exhaust valves
E. burnt intake valves - ANS - B. defective cylinder head gasket

5. Which of the following would cause a soft, spongy brake pedal?
A. air in the hydraulic system
B. bent caliper retainer
C. warped rotors