6-27.
A turboprop engine has what total number of
major assemblies?
1.
One
2.
Two
3.
Three
4.
Four
6-28.
What component of the power section of a
turboprop engine provides the power that
drives the propeller?
1.
Turbine
2.
Combustion chamber
3.
Compressor
4.
Exhaust
6-29.
Torsional deflection in a turboprop engine is an
indication of what variable?
1.
Temperature
2.
Horsepower
3.
Pressure
4.
Rpm
6-30.
What is the function of the reduction gear
assembly?
1.
To change the propeller blade angle to a
variable rpm
2.
To provide a constant rpm unit for
propeller operation
3.
To reduce the engine rpm to within the
range of efficient propeller rpm
4.
To provide higher propeller rpm than the
engine provides
6-31.
What is the basic function of the propeller
assembly?
1.
To efficiently develop thrust
2.
To drive the reduction gearbox assembly
3.
To drive the compressor section
4.
To efficiently develop rpm
6-32.
Turboshaft engines are currently being used on
which of the following types of aircraft?
1.
Fighters
2.
Attack
3.
Transport
4.
Helicopters
6-33.
Which of the following types of gas turbine
engines operates on the free turbine principle?
1.
Turboprop
2.
Turboshaft
3.
Turbofan
4.
Turbojet
6-34.
During all operations of the turboshaft engine,
automatic protection is provided for which of
the following malfunctions?
1.
Turbine
overspeed,
compressor
stall,
combustion
flame-out,
and
turbine
overtemperature
2.
Compressor
overspeed,
turbine
stall,
turbine overtemperature, and combustion
flame-out
3.
Combustion
flame-out,
turbine
under
temperature,
turbine
overspeed,
and
compressor stall
4.
Turbine underspeed, compressor stall,
combustion
flame-out,
and
turbine
overtemperature
6-35.
Operation of the turbofan engine is similar to
which of the following gas turbine engines?
1.
Turboshaft
2.
Turbojet
3.
Turboprop
4.
Turbopulse
6-36.
The turbofan engine has a low rate of fuel
consumption.
1.
True
2.
False
6-37.
A
turbofan
powered
aircraft
that
is
approximately the same size as a turbojet
aircraft is capable of accomplishing which of
the following tasks?
1.
Handling higher gross weight at takeoff
2.
Producing more thrust during climb
3.
Using shorter takeoff distance
4.
Each of the above
6-38.
What factor causes the low noise level of the
turbofan engine?
1.
The enclosed fan, which is driven at the
engine's speed
2.
The high velocity of compressed air that
passes through the burner and turbine
sections
3.
The increased thrust from the use of the
afterburner
4.
The low gas velocity coming out of the
tailpipe
6-39.
What are the two basic groups of modern fuel
control systems?
1.
Pneumatic and pressure
2.
Hydromechanical and electronic
3.
Automatic and manual
4.
Pressure and mechanical
6-23
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