POSTAL AUTOMOTIVE TECHNICIAN EXAMS SCRIPT
QUESTIONS AND ANSWERS RATED A+
1
✔✔11. If an engine is operating for long periods of time at part throttle opening the -
✔✔Spark plugs will become covered with carbon
✔✔12. Leaking intake valve guides will cause - ✔✔Excessive oil consumption
✔✔13. Flooding of a carburetor is generally caused by - ✔✔A stuck float needle valve
✔✔14. On many cars the fuel pump is combined with the - ✔✔vacuum pump
✔✔15. Corbon fouling of a spark plug is an indication of - ✔✔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 - ✔✔The generator
✔✔17. An automobile alternator converts alternating current to direct current, by means
of - ✔✔Silicon diodes
✔✔18. Hard starting is very often caused by - ✔✔Improper choke operation
✔✔19. A car with a history of burned points would probably indicate - ✔✔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 - ✔✔.060
✔✔21. The amount of air fuel mixture taken into the cylinder on the intake Stroke is a
measure of the engines. - ✔✔Volumetric efficiency
✔✔22. Welch plugs are installed on engines to provide - ✔✔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. - ✔✔Revolution
✔✔24. Preignition may be caused by - ✔✔Carbon deposits
✔✔25. The size of an outdoor motor propeller is always given in - ✔✔Diameter and
pitch
QUESTIONS AND ANSWERS RATED A+
1
✔✔11. If an engine is operating for long periods of time at part throttle opening the -
✔✔Spark plugs will become covered with carbon
✔✔12. Leaking intake valve guides will cause - ✔✔Excessive oil consumption
✔✔13. Flooding of a carburetor is generally caused by - ✔✔A stuck float needle valve
✔✔14. On many cars the fuel pump is combined with the - ✔✔vacuum pump
✔✔15. Corbon fouling of a spark plug is an indication of - ✔✔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 - ✔✔The generator
✔✔17. An automobile alternator converts alternating current to direct current, by means
of - ✔✔Silicon diodes
✔✔18. Hard starting is very often caused by - ✔✔Improper choke operation
✔✔19. A car with a history of burned points would probably indicate - ✔✔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 - ✔✔.060
✔✔21. The amount of air fuel mixture taken into the cylinder on the intake Stroke is a
measure of the engines. - ✔✔Volumetric efficiency
✔✔22. Welch plugs are installed on engines to provide - ✔✔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. - ✔✔Revolution
✔✔24. Preignition may be caused by - ✔✔Carbon deposits
✔✔25. The size of an outdoor motor propeller is always given in - ✔✔Diameter and
pitch
