Ground Ops Flashcards
When starting an aircraft engine equipped with a float carburetor, in what position should the carburetor heat control be placed?
in the cold position.
What is meant by a liquid lock in the cylinder of an aircraft engine, and how is it cleared?
oil accumulates in the cylinders below the center line of the engine, and prevents the pistons moving to the top of its stroke. To Clear, remove one of the spark plugs, and turn the engine crankshaft until all the oil is forced out of the cylinder.
What is the procedure if a hung start occurs when starting a turbojet engine?
Terminate the starting operation and find the reason the engine would not accelerate as it should.
How far ahead the idling turbojet engine does the danger area extend?
25 feet
What are the control tower light signals and their meanings ?
Flashing Green-cleared to taxi/Steady red-stop/flashing red-taxi clear of runway in use/flashing white-return to starting point/alternating red and green-exercise extreme caution
What is meant by detonation in an aircraft reciprocating engine?
Detonation is an uncontrolled burning of the fuel in the cylinder of an engine. it is an explosion, rather than a smooth burning.
Why is it important that turbine fuel not be mixed with aviation gasoline used in a recip engine?
it will cause the engine to detonate severely.
What is the danger of using fuel that vaporizes too readily?
Vapor lock can occur in the fuel lines, which will shut off fuel flow to the engine.
What causes corrosion?
Corrosion is a natural phenomenon that attacks metal by chemical or eletrochemical action.
What is meant by scientific notation?
A method of writing very large or very small numbers using powers of 10.
How do you write 56 million in scientific notation?
5.6x10*7
How do you write .00000096 in scientific notation?
9.6x10*-7
