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ASA POWERPLANT ORALS FINAL EXAM 2024 COMPLETE 400 QUESTIONS WITH DETAILED VERIFIED AND 100% CORRECT ANSWERS BRAND NEW EXAM GRADE A+ ASSURED$10.49
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ASA POWERPLANT ORALS FINAL EXAM
2024 COMPLETE 400 QUESTIONS WITH
DETAILED VERIFIED AND 100%
CORRECT ANSWERS
BRAND NEW EXAM
GRADE A+ ASSURED
What are two types of electronic fuel controls for turbine
engines? - ....ANSWER...Supervisory electronic engine
control and full Authority digital electronic control.
What is a FADEC? - ....ANSWER...A full Authority digital
electronic control is a high Precision digital electronic fuel
control that functions during all engine operations. It
includes the electronic engine control and functions with the
flight management computer to measure the fuel to the
nozzles and such a way that prevents overshooting of power
changes and over temperature conditions. It furnishes
information to the engine indication and crew alerting
system.
Does a turbine engine controlled by a FADEC require manual
trimming? - ....ANSWER...No, this is done by the FADEC.
1
,When should a turbine engine be retrimmed? -
....ANSWER...Anytime there is a decrease in engine
2
,thrust, and after any maintenance that the manufacturer
specifies as requiring retrimming.
Are the instruments installed in an aircraft suitable for use
when trimming a turbine engine? - ....ANSWER...No, a
special analyzer trimmer such as a Jet Cal should be used.
What specifications are used to trim a turbine engine? -
....ANSWER...The data play specifications for the specific
engine. This data was obtained when the engine was
calibrated in the manufacturers test cell.
Where should ambient temperature be measured when
trimming a turbine engine? - ....ANSWER...In a shaded area
as near to the engine inlet as is practical.
What is meant by a compensated fuel pump? -
....ANSWER...It is a fuel pump that senses the ambient air
pressure and maintains the fuel pressure to a specific
amount above this pressure.
What would likely cause a reciprocating engine equipped
with a float carburetor to hesitate momentarily when the
throttle is rapidly advance from
3
, Idle to full power? - ....ANSWER...A malfunctioning
accelerator pump.
What is the function of a float carburetor? -
....ANSWER...The flow carburetors function is to measure
air flow through the engine induction system and dispense the
appropriate amount of gasoline into the air flow for all
engine operating parameters and conditions. It must also
provide the fuel and a state that is as vaporized as possible
by the time ignition occurs in the engine cylinders.
Why do aircraft fuel metering systems for reciprocating
engines have mixture controls? - ....ANSWER...The air
density decreases as the aircraft is sins, increasing the
mixture to become richer. The mixture control allows the
fuel to be decrease to maintain a fuel-air mixture ratio that
produces the desired power.
What are the two types of fuel injection systems used on
Modern reciprocating engines? -
....ANSWER...Teledyne continental system and precision
airmotive system.
What is used in the TCM fuel injection system to control
the amount of fuel sent to the nozzles? -
....ANSWER...The engine speed determines the injector
4
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