Postal Automotive Technician Exam 944 ALREADY
ANSWERED EXAM ELABORATION!!
1. The vibration damper on an auto engine is fastened to the - ansCrankshaft
2. Most small gas engines use a _________ ignition system - ansMagneto
3. Icing occurs most often - ansOn cool damp days
4. The function of the float in a carburetor is two - ansClose the needle valve
5. To improve stability when cornering manufactures added a device to cars called -
ansStabilizer bar
6. adjustment of the rods on a car will affect - ansToe-in
7. A restriction in the exhaust system is indicated on a vacuum gauge by a -
ansgradual decrease in reading
8. Disc brakes on a car have a distinct advantage over conventional drum brakes in
that they - ansFade Less when hot
9. In a diesel engine, the fuel is ignited by the - ansHeat of compression
10. Engine timing is generally set by using a - ansStrobe light
11. If an engine is operating for long periods of time at part throttle opening the -
ansSpark plugs will become covered with carbon
12. Leaking intake valve guides will cause - ansExcessive oil consumption
13. Flooding of a carburetor is generally caused by - ansA stuck float needle valve
14. On many cars the fuel pump is combined with the - ansvacuum pump
15. Corbon fouling of a spark plug is an indication of - ansTo 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 - ansThe generator
17. An automobile alternator converts alternating current to direct current, by means
of - ansSilicon diodes
18. Hard starting is very often caused by - ansImproper choke operation
19. A car with a history of burned points would probably indicate - ansToo high
setting of the voltage regulator
,Postal Automotive Technician Exam 944 ALREADY
ANSWERED EXAM ELABORATION!!
20. When it is necessary to recondition brake drums, the maximum allowable amount
of the oversize is__________ inches - ans.060
21. The amount of air fuel mixture taken into the cylinder on the intake Stroke is a
measure of the engines. - ansVolumetric efficiency
22. Welch plugs are installed on engines to provide - ansA means of removing the
sand after the engine is cast
23. The two cycle engine produces a power stroke with every_________
Of the crankshaft. - ansRevolution
24. Preignition may be caused by - ansCarbon deposits
25. The size of an outdoor motor propeller is always given in - ansDiameter and pitch
26. Closed, crank case ventilation systems are used to - ansAid and prevention of air
contamination
27. The angular motion about the vertical axis of an aircraft or spacecraft, is known
as - ansYaw
28. The carburetor circuit that maintains a constant level of fuel in the float bowl is
the_______
Circuit - ansFloat
29. A jet engine combustion chamber liner is cool by - ansAir streams
30. Regenerative gas turbine engines have been successfully develop for use on -
ansAutomobiles
31. Power impulses from the engine are smoothed out by the - ansFly wheel
32. The service ratings MS, SE, SG refers to - ansMotor oils
33. The intake and exhaust openings on a two stroke cycle engine are known as -
ansPorts
34. Ball joint type front suspension eliminates - ansThe conventional kingpin
35. Gasoline cannot be used in a diesel because the - ansGasoline will start to burn
long before the piston reach the top of the stroke
, Postal Automotive Technician Exam 944 ALREADY
ANSWERED EXAM ELABORATION!!
36. On the compression stroke, diesel engine compresses - ansAir
37. The idle and low speed circuit in a carburetor is in operative - ansSpeed over 20
mph
38. A generator should be polarized to prevent damage whenever - ansThe generator
or regulator wires have been disconnected
39. Turboprop engine is a more efficient than turbo jet engines for aircraft flying -
ansShort trips
40. A blower or pump which forces air into cylinders at higher than atmospheric
pressure is known as - ansSupercharger
41. The fuel pump is actuated by the - ansCamshaft
42. A storage battery become so faded when the - ansBatteries is discharged
43. The most common cause for excess tire wear on edges is - ansUnderinflation
44. The correct order of piston rings above the piston pin is - ansOil- oil -
compression - compression
A radiator fan is most essential - ansWhen idling
A soft break is generally the result of - ansAir in the lines
All of the following have moving parts, except the____________ jet engine. - ansRam
And some late models of distributors, the cam angle is set with - ansThe cap Left on
Does speed necessary to escape gravitational pull of the earth is_________miles per
hour - ans25,000
Engine timing may be set most accurately with a - ansDwell meter
For maximum power, the spark plug is time to fire when the piston reaches -
ansBefore top dead center
In a normal operating engine, the vacuum gauge will read - ans8-11
Of the following statements about the fly wheel, the one that is not true is: -
ansJoined to the camshaft
ANSWERED EXAM ELABORATION!!
1. The vibration damper on an auto engine is fastened to the - ansCrankshaft
2. Most small gas engines use a _________ ignition system - ansMagneto
3. Icing occurs most often - ansOn cool damp days
4. The function of the float in a carburetor is two - ansClose the needle valve
5. To improve stability when cornering manufactures added a device to cars called -
ansStabilizer bar
6. adjustment of the rods on a car will affect - ansToe-in
7. A restriction in the exhaust system is indicated on a vacuum gauge by a -
ansgradual decrease in reading
8. Disc brakes on a car have a distinct advantage over conventional drum brakes in
that they - ansFade Less when hot
9. In a diesel engine, the fuel is ignited by the - ansHeat of compression
10. Engine timing is generally set by using a - ansStrobe light
11. If an engine is operating for long periods of time at part throttle opening the -
ansSpark plugs will become covered with carbon
12. Leaking intake valve guides will cause - ansExcessive oil consumption
13. Flooding of a carburetor is generally caused by - ansA stuck float needle valve
14. On many cars the fuel pump is combined with the - ansvacuum pump
15. Corbon fouling of a spark plug is an indication of - ansTo 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 - ansThe generator
17. An automobile alternator converts alternating current to direct current, by means
of - ansSilicon diodes
18. Hard starting is very often caused by - ansImproper choke operation
19. A car with a history of burned points would probably indicate - ansToo high
setting of the voltage regulator
,Postal Automotive Technician Exam 944 ALREADY
ANSWERED EXAM ELABORATION!!
20. When it is necessary to recondition brake drums, the maximum allowable amount
of the oversize is__________ inches - ans.060
21. The amount of air fuel mixture taken into the cylinder on the intake Stroke is a
measure of the engines. - ansVolumetric efficiency
22. Welch plugs are installed on engines to provide - ansA means of removing the
sand after the engine is cast
23. The two cycle engine produces a power stroke with every_________
Of the crankshaft. - ansRevolution
24. Preignition may be caused by - ansCarbon deposits
25. The size of an outdoor motor propeller is always given in - ansDiameter and pitch
26. Closed, crank case ventilation systems are used to - ansAid and prevention of air
contamination
27. The angular motion about the vertical axis of an aircraft or spacecraft, is known
as - ansYaw
28. The carburetor circuit that maintains a constant level of fuel in the float bowl is
the_______
Circuit - ansFloat
29. A jet engine combustion chamber liner is cool by - ansAir streams
30. Regenerative gas turbine engines have been successfully develop for use on -
ansAutomobiles
31. Power impulses from the engine are smoothed out by the - ansFly wheel
32. The service ratings MS, SE, SG refers to - ansMotor oils
33. The intake and exhaust openings on a two stroke cycle engine are known as -
ansPorts
34. Ball joint type front suspension eliminates - ansThe conventional kingpin
35. Gasoline cannot be used in a diesel because the - ansGasoline will start to burn
long before the piston reach the top of the stroke
, Postal Automotive Technician Exam 944 ALREADY
ANSWERED EXAM ELABORATION!!
36. On the compression stroke, diesel engine compresses - ansAir
37. The idle and low speed circuit in a carburetor is in operative - ansSpeed over 20
mph
38. A generator should be polarized to prevent damage whenever - ansThe generator
or regulator wires have been disconnected
39. Turboprop engine is a more efficient than turbo jet engines for aircraft flying -
ansShort trips
40. A blower or pump which forces air into cylinders at higher than atmospheric
pressure is known as - ansSupercharger
41. The fuel pump is actuated by the - ansCamshaft
42. A storage battery become so faded when the - ansBatteries is discharged
43. The most common cause for excess tire wear on edges is - ansUnderinflation
44. The correct order of piston rings above the piston pin is - ansOil- oil -
compression - compression
A radiator fan is most essential - ansWhen idling
A soft break is generally the result of - ansAir in the lines
All of the following have moving parts, except the____________ jet engine. - ansRam
And some late models of distributors, the cam angle is set with - ansThe cap Left on
Does speed necessary to escape gravitational pull of the earth is_________miles per
hour - ans25,000
Engine timing may be set most accurately with a - ansDwell meter
For maximum power, the spark plug is time to fire when the piston reaches -
ansBefore top dead center
In a normal operating engine, the vacuum gauge will read - ans8-11
Of the following statements about the fly wheel, the one that is not true is: -
ansJoined to the camshaft
