POSTAL AUTOMOTIVE TECHNICIAN EXAM 944 WITH 150 ACTUAL EXAM QUESTIONS AND 100% CORRECT ANSWERS WITH STUDY GUIDE LATEST 2024 -2025 (BRAND NEW!!) 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 m anufactures 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 brak es 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 ligh t 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 gene rally 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 - ANSWER -Carbon deposits 25. The size of an outdoor motor pro peller is always given in - ANSWER -
Diameter and pitch 26. Closed, crank case ventilation systems are used to - ANSWER -Aid and prevention of air contamination 27. The angular motion about the vertical axis of an aircraft or spacecraft, is known as - ANSWE R-Yaw 28. The carburetor circuit that maintains a constant level of fuel in the float bowl is the_______
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 m anufactures 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 brak es 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 ligh t 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 gene rally 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 - ANSWER -Carbon deposits 25. The size of an outdoor motor pro peller is always given in - ANSWER -
Diameter and pitch 26. Closed, crank case ventilation systems are used to - ANSWER -Aid and prevention of air contamination 27. The angular motion about the vertical axis of an aircraft or spacecraft, is known as - ANSWE R-Yaw 28. The carburetor circuit that maintains a constant level of fuel in the float bowl is the_______
