Exam (elaborations)
POSTAL AUTOMOTIVE TECHNICIAN EXAM QUESTIONS AND ANSWERS 2024
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POSTAL AUTOMOTIVE TECHNICIAN EXAM QUESTIONS AND ANSWERS 2024
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POSTAL AUTOMOTIVE TECHNICIAN EXAM1. If an engine is operating for long periods of time at part throttle opening the -
ANSWERS-Spark plugs will become covered with carbon
2. Leaking intake valve guides will cause - ANSWERS-Excessive oil consumption
3. Flooding of a carburetor is generally caused by - ANSWERS-A stuck float needle
valve
4. On many cars the fuel pump is combined with the - ANSWERS-vacuum pump
5. Corbon fouling of a spark plug is an indication of - ANSWERS-To rich a mixture
6. If a test shows that generator output is excessive even after the F Terminal has
been disconnected the trouble may be traced to - ANSWERS-The generator
7. An automobile alternator converts alternating current to direct current, by
means of - ANSWERS-Silicon diodes
8. Hard starting is very often caused by - ANSWERS-Improper choke operation
, 9. A car with a history of burned points would probably indicate - ANSWERS-Too
high setting of the voltage regulator
10. When it is necessary to recondition brake drums, the maximum allowable
amount of the oversize is__________ inches - ANSWERS-.060
11. The amount of air fuel mixture taken into the cylinder on the intake Stroke is a
measure of the engines. - ANSWERS-Volumetric efficiency
12. Welch plugs are installed on engines to provide - ANSWERS-A means of
removing the sand after the engine is cast
13. The two cycle engine produces a power stroke with every_________
Of the crankshaft. - ANSWERS-Revolution
14. Preignition may be caused by - ANSWERS-Carbon deposits
15. The size of an outdoor motor propeller is always given in - ANSWERS-Diameter
and pitch
16. Closed, crank case ventilation systems are used to - ANSWERS-Aid and
prevention of air contamination
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