POSTAL AUTOMOTIVE TECHNICIAN EXAM 94 LATEST
2024/2025 WITH ACTUAL QUESTIONS AND CORRECT
VERIFIED (DETAILED) ANSWERS/ALREADY GRADED A
1. The vibration damper on an auto engine is fastened to the - ANSWER-
Crankshaft
2. Most small gas engines use a _________ ignition system - ANSWER-Magneto
3. Icing occurs most often - ANSWER-On cool damp days
4. The function of the float in a carburetor is two - ANSWER-Close the needle
valve
5. To improve stability when cornering manufactures added a device to cars
called - ANSWER-Stabilizer bar
6. adjustment of the rods on a car will affect - ANSWER-Toe-in
7. A restriction in the exhaust system is indicated on a vacuum gauge by a -
ANSWER-gradual decrease in reading
8. Disc brakes on a car have a distinct advantage over conventional drum brakes
in that they - ANSWER-Fade Less when hot
, 9. In a diesel engine, the fuel is ignited by the - ANSWER-Heat of compression
10. Engine timing is generally set by using a - ANSWER-Strobe light
11. If an engine is operating for long periods of time at part throttle opening
the - ANSWER-Spark plugs will become covered with carbon
12. Leaking intake valve guides will cause - ANSWER-Excessive oil consumption
13. Flooding of a carburetor is generally caused by - ANSWER-A stuck float
needle valve
14. On many cars the fuel pump is combined with the - ANSWER-vacuum pump
15. Corbon fouling of a spark plug is an indication of - ANSWER-To rich a
mixture
16. If a test shows that generator output is excessive even after the F Terminal
has been disconnected the trouble may be traced to - ANSWER-The generator
17. An automobile alternator converts alternating current to direct current, by
means of - ANSWER-Silicon diodes
18. Hard starting is very often caused by - ANSWER-Improper choke operation
19. A car with a history of burned points would probably indicate - ANSWER-
Too high setting of the voltage regulator
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