Postal Automotive Technician Exam 944 Prep Material Newest 2025/2026 Complete Questions And
Correct Detailed Answers (Verified Answers)|Brand New Version!
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
, Postal Automotive Technician Exam 944 Prep Material Newest 2025/2026 Complete Questions And
Correct Detailed Answers (Verified Answers)|Brand New Version!
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
20. When it is necessary to recondition brake drums, the maximum allowable amount of the oversize
is__________ inches - (ANSWER).060
21. The amount of air fuel mixture taken into the cylinder on the intake Stroke is a measure of the
engines. - (ANSWER)Volumetric efficiency
22. Welch plugs are installed on engines to provide - (ANSWER)A means of removing the sand after the
engine is cast
23. The two cycle engine produces a power stroke with every_________
Of the crankshaft. - (ANSWER)Revolution
24. Preignition may be caused by - (ANSWER)Carbon deposits
25. The size of an outdoor motor propeller is always given in - (ANSWER)Diameter and pitch
Correct Detailed Answers (Verified Answers)|Brand New Version!
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
, Postal Automotive Technician Exam 944 Prep Material Newest 2025/2026 Complete Questions And
Correct Detailed Answers (Verified Answers)|Brand New Version!
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
20. When it is necessary to recondition brake drums, the maximum allowable amount of the oversize
is__________ inches - (ANSWER).060
21. The amount of air fuel mixture taken into the cylinder on the intake Stroke is a measure of the
engines. - (ANSWER)Volumetric efficiency
22. Welch plugs are installed on engines to provide - (ANSWER)A means of removing the sand after the
engine is cast
23. The two cycle engine produces a power stroke with every_________
Of the crankshaft. - (ANSWER)Revolution
24. Preignition may be caused by - (ANSWER)Carbon deposits
25. The size of an outdoor motor propeller is always given in - (ANSWER)Diameter and pitch
