POSTAL AUTOMOTIVE TECHNICIAN EXAM 944 WITH 150 ACTUAL EXAM
QUESTIONS CORRECT ANSWERS PLUS RATIONALES LATEST (BRAND NEW!!)
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
20. When it is necessary to recondition brake drums, the maximum allowable amount of the
oversize is__________ inches - CORRECT ANSWER-.060
21. The amount of air fuel mixture taken into the cylinder on the intake Stroke is a measure
of the engines. - CORRECT ANSWER-Volumetric efficiency
22. Welch plugs are installed on engines to provide - CORRECT 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. - CORRECT ANSWER-Revolution
24. Preignition may be caused by - CORRECT ANSWER-Carbon deposits
QUESTIONS CORRECT ANSWERS PLUS RATIONALES LATEST (BRAND NEW!!)
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
20. When it is necessary to recondition brake drums, the maximum allowable amount of the
oversize is__________ inches - CORRECT ANSWER-.060
21. The amount of air fuel mixture taken into the cylinder on the intake Stroke is a measure
of the engines. - CORRECT ANSWER-Volumetric efficiency
22. Welch plugs are installed on engines to provide - CORRECT 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. - CORRECT ANSWER-Revolution
24. Preignition may be caused by - CORRECT ANSWER-Carbon deposits
