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24 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What special precautions should be taken when towing an aircraft that is equipped with a steerable nose wheel? |
Make sure that the nose Wheels do not turn past their stops. |
Some aircrafts will use torsion links on nose wheel strut to be disconnect when towing. |
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What publication lists the standard hand signals used for directing and taxing aircrafts? |
ASA AMT-G General textbook page 629. |
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What action should a mechanic take while taxing an aircraft on the runway if the tower shines a flashing red light at him. |
Clear the runway in use. |
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What type of fire extinguisher is best suited for extinguishing and induction fire in a reciprocating engine? |
Carbon dioxide. |
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What is the proper way to extinguish an induction system fire that occurs while starting a reciprocating engine? |
Keep the engine running which will blow the fire out. If this doesn't work use a carbon dioxide fire extinguisher directed at the carburetor air inlet. |
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When starting an aircraft engine equipped with a float carburetor in what position should the carburetor heat control be placed? |
In the cold position. |
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What is meant by liquid lock in a cylinder of an aircraft engine, and how is it cleared? |
Oil accumulation in the cylinder below the center line of the engine preventing the Piston from moving to the top of the stroke. It is cleared by removing one of the spark plugs and turn the engine crankshaft until all of the oil is forced out of the cylinder. |
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What is the procedure if a hungstart occurs when starting a turbojet engine? |
Terminate the starting operation and find the reason why the engine will not start or accelerate as it should. |
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How far ahead of an idling turbojet engine does the danger area extend? |
25 ft. |
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Why is it important that the aircraft and the field truck be grounded together before the aircraft is fueled? |
To prevent the buildup of static electricity that can cause a spark that could ignite the fuel vapors. |
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What information must be located near the fuel tank filler opening in an aircraft powered by a reciprocating engine? |
The word Avgas and the minimum fuel grade. |
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What information must be located near the fuel tank filler opening in an aircraft powered by a turbine engine? |
The words jet fuel and the permissible fuel designations or reference to the airplane flight manual for permissible fuel designations. Possibly pressure fueling systems may also include permissible fueling or defueling supply pressure. |
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What should be done to a reciprocating engine fuel system if turbine fuel is inadvertently put into the tank and the engine is run? |
Purge the entire fuel system, drain and flush with gasoline, the engine given a compression check and all the cylinders given a borescope inspection. The oil must be drained and all of the filters and strainers checked. After the aircraft is properly fueled the engine must be given a proper run up and check. |
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What precautions must be observed regarding the tools used when Servicing an aircraft oxygen system? |
Make sure there's no oil or grease on the tools because pure oxygen can cause spontaneous combustion of petroleum products. |
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What kind of rope is best to tie down an aircraft? |
Nylon or polypropylene. |
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What kind of knot is used for securing an airplane with a rope? |
Bowline. |
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Why is it important that turbine fuel not be mixed with Aviation gasoline used in an aircraft reciprocating engine? |
Turbine engine fuel will cause engine to detonate severely. |
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What grade of Aviation gasoline is dyed blue? |
Low lead Grade 100 |
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What damage is likely to occur if an aircraft reciprocating engine that is designed to use grade 100 fuel is operated with grade 80 fuel? |
Detonation will occur, leading to bent connecting rods, burnt pistons and cracked cylinder heads. |
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What is meant by detonation in an aircraft reciprocating engine? |
Detonation is an uncontrolled burning of fuel in the cylinder of an engine. Which is more of an explosion rather than a smooth burning. |
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What is the danger of using fuel that vaporizes too readily? |
Vapor lock will likely occur in the fuel lines, which shuts off the flow of fuel to the engine. |
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What type of fuel is jet A |
A heavy kerosene base fuel with a flash point of 110-250° f, freezing point of negative 40° f and a heat energy content of 18,600 BTU pounds |
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What are two functions of tetraethyl lead that is added to Aviation gasoline? |
It increases the critical pressure and temperature of the fuel, and it also acts as a lubricant for the valves. |
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What documentation is required for a certificated aircraft to legally operate on automotive gasoline? |
Supplemental type certificate for the aircraft to operate with automotive gasoline. |
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