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Usps 943 Exam Questions And Answers 2025

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Course USPS 943
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USPS 943 EXAM QUESTIONS AND ANSWERS 2025

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USPS 943 EXAM 2025
ANSWER ALL QUESTIONS IN THIS SECTION



QUESTION 1



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



QUESTION 2



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"



END OF
PAGE 1

, USPS 943 EXAM 2025
QUESTION 3



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



QUESTION 4



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 - ANSWERS-E. spacer shims




END OF
PAGE 2

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