| The FAA
Aviation Mechanic - Powerplant
test bank contains questions pertaining to
Reciprocating Engines
. The following list contains only a relatively small percentage of the pertinent
questions. Our software, which you are free to download now at no cost, will
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Aviation Mechanic - Powerplant
test bank.
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Aviation Mechanic - Powerplant
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| Sample Questions
from the FAA
Aviation Mechanic - Powerplant
Test Bank |
- Which statement is true regarding bearings used in high powered reciprocating aircraft engines?
- Which of the following will decrease volumetric efficiency in a reciprocating engine?
1. Full throttle operation.
2. Low cylinder head temperatures.
3. Improper valve timing.
4. Sharp bends in the induction system.
5. High carburetor air temperatures.
- A nine cylinder engine with a bore of 5.5 inches and a stroke of 6 inches will have a total piston displacement of
- Grinding the valves of a reciprocating engine to a feather edge is likely to result in
- The actual power delivered to the propeller of an aircraft engine is called
- An aircraft reciprocating engine using hydraulic valve lifters is observed to have no clearance in its valve-operating mechanism after the minimum inlet oil and cylinder head temperatures for takeoff have been reached. When can this condition be expected?
- Some cylinder barrels are hardened by
- When is the fuel/air mixture ignited in a conventional reciprocating engine?
- The valve clearance of an engine using hydraulic lifters, when the lifters are completely flat, or empty, should not exceed
- If the hot clearance is used to set the valves when the engine is cold, what will occur during operation of the engine?
- Compression ratio is the ratio between the
- The volume of a cylinder equals 70 cubic inches when the piston is at bottom center. When the piston is at the top of the cylinder, the volume equals 10 cubic inches. What is the compression ratio?
- Which of the following will be caused by excessive valve clearance of a cylinder on a reciprocating aircraft engine?
- As the pressure is applied during a reciprocating engine compression check using a differential pressure tester, what would a movement of the propeller in the direction of engine rotation indicate?
- If metallic particles are found in the oil filter during an inspection,
- What does valve overlap promote?
- An engine misses in both the right and left positions of the magneto switch. The quickest method for locating the trouble is to
- If an engine cylinder is to be removed, at what position in the cylinder should the piston be?
- If the ignition switch is moved from BOTH to either LEFT or RIGHT during an engine ground check, normal operation is usually indicated by a
- When does valve overlap occur in the operation of an aircraft reciprocating engine?
- An increase in manifold pressure with a constant RPM will cause the bearing load in an engine to
-
(1) Preignition is caused by improper ignition timing.
(2) Detonation occurs when an area of the combustion chamber becomes incandescent and ignites the fuel/air mixture in advance of normal timed ignition.
Regarding the above statements,
- An unsupercharged aircraft reciprocating engine, operated at full throttle from sea level, to 10,000 feet, provided the RPM is unchanged, will
- Which statement pertaining to fuel/air ratios is true?
- One of the best indicators of reciprocating engine combustion chamber problems is
- If air is heard coming from the crankcase breather or oil filler during a differential compression check, what is this an indication of?
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Aviation Mechanic - Powerplant
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