POSTAL AUTOMOTIVE TECHNICIAN EXAM 944 PREP MATERIAL NEWEST 2025/2026
COMPLETE 200 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS)|BRAND NEW VERSION!
1. The vibration damper on an auto engine is fastened to the - DETAILED ANSWER -
Crankshaft
2. Most small gas engines use a _________ ignition system - DETAILED ANSWER -Magneto
3. Icing occurs most often - DETAILED ANSWER -On cool damp days
4. The function of the float in a carburetor is two - DETAILED ANSWER -Close the needle
valve
5. To improve stability when cornering manufactures added a device to cars called -
ANSWERStabilizer bar
6. adjustment of the rods on a car will affect - DETAILED ANSWER -Toe-in
7. A restriction in the exhaust system is indicated on a vacuum gauge by a - DETAILED
ANSWER -gradual decrease in reading
8. Disc brakes on a car have a distinct advantage over conventional drum brakes in that they -
DETAILED ANSWER -Fade Less when hot
, 9. In a diesel engine, the fuel is ignited by the - DETAILED ANSWER -Heat of compression
10. Engine timing is generally set by using a - DETAILED ANSWER -Strobe light
11. If an engine is operating for long periods of time at part throttle opening the -
ANSWERSpark plugs will become covered with carbon
12. Leaking intake valve guides will cause - DETAILED ANSWER -Excessive oil consumption
13. Flooding of a carburetor is generally caused by - DETAILED ANSWER -A stuck float needle
valve
14. On many cars the fuel pump is combined with the - DETAILED ANSWER -vacuum pump
15. Corbon fouling of a spark plug is an indication of - DETAILED 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 - DETAILED ANSWER -The generator
17. An automobile alternator converts alternating current to direct current, by means of -
DETAILED ANSWER -Silicon diodes
18. Hard starting is very often caused by - DETAILED ANSWER -Improper choke operation
19. A car with a history of burned points would probably indicate - DETAILED ANSWER -Too
high setting of the voltage regulator
COMPLETE 200 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS)|BRAND NEW VERSION!
1. The vibration damper on an auto engine is fastened to the - DETAILED ANSWER -
Crankshaft
2. Most small gas engines use a _________ ignition system - DETAILED ANSWER -Magneto
3. Icing occurs most often - DETAILED ANSWER -On cool damp days
4. The function of the float in a carburetor is two - DETAILED ANSWER -Close the needle
valve
5. To improve stability when cornering manufactures added a device to cars called -
ANSWERStabilizer bar
6. adjustment of the rods on a car will affect - DETAILED ANSWER -Toe-in
7. A restriction in the exhaust system is indicated on a vacuum gauge by a - DETAILED
ANSWER -gradual decrease in reading
8. Disc brakes on a car have a distinct advantage over conventional drum brakes in that they -
DETAILED ANSWER -Fade Less when hot
, 9. In a diesel engine, the fuel is ignited by the - DETAILED ANSWER -Heat of compression
10. Engine timing is generally set by using a - DETAILED ANSWER -Strobe light
11. If an engine is operating for long periods of time at part throttle opening the -
ANSWERSpark plugs will become covered with carbon
12. Leaking intake valve guides will cause - DETAILED ANSWER -Excessive oil consumption
13. Flooding of a carburetor is generally caused by - DETAILED ANSWER -A stuck float needle
valve
14. On many cars the fuel pump is combined with the - DETAILED ANSWER -vacuum pump
15. Corbon fouling of a spark plug is an indication of - DETAILED 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 - DETAILED ANSWER -The generator
17. An automobile alternator converts alternating current to direct current, by means of -
DETAILED ANSWER -Silicon diodes
18. Hard starting is very often caused by - DETAILED ANSWER -Improper choke operation
19. A car with a history of burned points would probably indicate - DETAILED ANSWER -Too
high setting of the voltage regulator
