USPS 943 Exam Questions with 100% Correct Answers

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USPS 943 Exam Questions with 100%
Correct Answers
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 Correct Answer: D. a pulsating pedal


Which one of the following emission control systems is common to all cars and
light trucks made at the present time in the U.S.?


A. AIR - Air Injection Reaction


B. PCV - Positive Crankcase Ventilation


C. CCC - Computer Controlled Combustion


D. II - Improved Ignition


E. ACS - Air Cleaning System Correct Answer: B. PCV - Positive Crankcase
Ventilation



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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 Correct Answer: 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 Correct Answer: 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


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