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Usps 943 Exam Questions And Verified Answers | Latest 2026/2027 Update | Graded A+ | 100% Guaranteed Pass.

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USPS 943 EXAM QUESTIONS AND VERIFIED ANSWERS | LATEST 2026/2027 UPDATE | GRADED A+ | 100% GUARANTEED PASS. A PCV valve is controlled by which of the following? A. valve lifter B. throttle cable C. engine vacuum D. rocker arm E. exhaust pressure - ---Answers----C. engine vacuum 9. The front band of an automatic transmission is applied through which of the following? A. servo lever B. rear clutch C.flywheel D. pinion gear E. shaft bearing - ---Answers----A. servo lever 8. A vacuum gauge connected to a well tuned engine should show a steady reading between which of the following during engine idle? A) 23" - 27" B) 4" - 8" C) 14" - 22" D) 32" - 38" E) 28" - 32" - ---Answers----C) 14" - 22" 7. What is wrong during a compression test, if a low compression reading goes up after a small amount of oil is squirted into a spark plug hole? A. defective rocker arm

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USPS 943 EXAM QUESTIONS AND VERIFIED ANSWERS | LATEST
2026/2027 UPDATE | GRADED A+ | 100% GUARANTEED PASS.




6. A PCV valve is controlled by which of the following?
A. valve lifter
B. throttle cable
C. engine vacuum
D. rocker arm
E. exhaust pressure - ---Answers----C. engine vacuum




9. The front band of an automatic transmission is applied through
which of the following?
A. servo lever
B. rear clutch
C.flywheel
D. pinion gear
E. shaft bearing - ---Answers----A. servo lever

, 8. A vacuum gauge connected to a well tuned engine should show a
steady reading between which of the following during engine idle?
A) 23" - 27"
B) 4" - 8"
C) 14" - 22"
D) 32" - 38"
E) 28" - 32" - ---Answers----C) 14" - 22"


7. What is wrong during a compression test, if a low compression
reading goes up after a small amount of oil is squirted into a spark
plug hole?
A. defective rocker arm
B. worn lifter
C. cracked cylinder head
D. worn piston rings
E. burnt intake valve - ---Answers----D. worn piston rings




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

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