Postal Automotive Technician Exam 944 ALREADY ANSWERED EXAM ELABORATION!!
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...
Postal Automotive Technician Exam 944
ALREADY ANSWERED EXAM
ELABORATION!!
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
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
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