Postal Automotive Technician Exam 944 questions and answers
2026\2027 A+ Grade
1. The vibration damper on an auto engine is fastened to the
- correct answer Crankshaft
2. Most small gas engines use a _________ ignition system
- correct answer Magneto
3. Icing occurs most often
- correct answer On cool damp days
4. The function of the float in a carburetor is two
- correct answer Close the needle valve
5. To improve stability when cornering manufactures added a device to cars called
- correct answer Stabilizer bar
6. adjustment of the rods on a car will affect
- correct answer Toe-in
7. A restriction in the exhaust system is indicated on a vacuum gauge by a
- correct answer gradual decrease in reading
8. Disc brakes on a car have a distinct advantage over conventional drum brakes in that they
- correct answer Fade Less when hot
9. In a diesel engine, the fuel is ignited by the
- correct answer Heat of compression
, 10. Engine timing is generally set by using a
- correct answer Strobe light
11. If an engine is operating for long periods of time at part throttle opening the
- correct answer Spark plugs will become covered with carbon
12. Leaking intake valve guides will cause
- correct answer Excessive oil consumption
13. Flooding of a carburetor is generally caused by
- correct answer A stuck float needle valve
14. On many cars the fuel pump is combined with the
- correct answer vacuum pump
15. Corbon fouling of a spark plug is an indication of
- correct 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
- correct answer The generator
17. An automobile alternator converts alternating current to direct current, by means of
- correct answer Silicon diodes
18. Hard starting is very often caused by
- correct answer Improper choke operation
19. A car with a history of burned points would probably indicate
- correct answer Too high setting of the voltage regulator
2026\2027 A+ Grade
1. The vibration damper on an auto engine is fastened to the
- correct answer Crankshaft
2. Most small gas engines use a _________ ignition system
- correct answer Magneto
3. Icing occurs most often
- correct answer On cool damp days
4. The function of the float in a carburetor is two
- correct answer Close the needle valve
5. To improve stability when cornering manufactures added a device to cars called
- correct answer Stabilizer bar
6. adjustment of the rods on a car will affect
- correct answer Toe-in
7. A restriction in the exhaust system is indicated on a vacuum gauge by a
- correct answer gradual decrease in reading
8. Disc brakes on a car have a distinct advantage over conventional drum brakes in that they
- correct answer Fade Less when hot
9. In a diesel engine, the fuel is ignited by the
- correct answer Heat of compression
, 10. Engine timing is generally set by using a
- correct answer Strobe light
11. If an engine is operating for long periods of time at part throttle opening the
- correct answer Spark plugs will become covered with carbon
12. Leaking intake valve guides will cause
- correct answer Excessive oil consumption
13. Flooding of a carburetor is generally caused by
- correct answer A stuck float needle valve
14. On many cars the fuel pump is combined with the
- correct answer vacuum pump
15. Corbon fouling of a spark plug is an indication of
- correct 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
- correct answer The generator
17. An automobile alternator converts alternating current to direct current, by means of
- correct answer Silicon diodes
18. Hard starting is very often caused by
- correct answer Improper choke operation
19. A car with a history of burned points would probably indicate
- correct answer Too high setting of the voltage regulator
