Axial-flow compressors are less fuel efficient than Centrifugal-flow compressors. - correct answer
✔✔False
The core of the gas turbine that generates expanding gases required to produce thrust is known as? -
correct answer ✔✔The Gas Generator
Why is the core of the turbine engine known as the Gas Generator? - correct answer ✔✔It generates the
expanding gases required to produce thrust
What do Gas turbine engines share jet propulsion principles with? - correct answer ✔✔Party balloons
that have been inflated and released
What is the forward-most compressor of a dual-compressor engine referred to as? - correct answer
✔✔The low-pressure compressor
What is used to accelerate the velocity of the high-energy gases escaping from the gas generator? -
correct answer ✔✔The nozzle
In an axial-flow compressor section of a turbine engine, what helps to direct and compress the flow of
air? - correct answer ✔✔Stator vanes
What are the set of wheels called that are driven by the exhaust gases in the turbine section of a turbine
engine? - correct answer ✔✔Turbines
The principle, for every action there is an equal and opposite reaction, comes from what historical
figure? - correct answer ✔✔Isaac Newton
, An axial-flow compressor is made up of an alternating series of _____. - correct answer ✔✔Rotating
rotor blades and stationary stator vanes
For large turbine engines what drives the starter motors? - correct answer ✔✔High pressure air
What were the earliest jet engine types? - correct answer ✔✔Turbojets
Direct drive turboprop engines offer more immediate power response when power levers are increased.
- correct answer ✔✔True
_____turboprop engine's propeller is not connected directly to the engine core, but derives its torque
from the power section added to the basic engine core after the turbine section.v - correct answer ✔✔A
free-turbine
How are jet engines rated, with regards to output? - correct answer ✔✔Pounds of thrust
How is bypass air measured on turbofan engines? - correct answer ✔✔Pounds per second
A_____engine produces thrust solely by the high acceleration of air as it passes through and exhausts
the core of the engine. - correct answer ✔✔Turbojet
The non-mechanical connection between engine core and propeller driveshaft, on a free-turbine
turboprop, is known as_____. - correct answer ✔✔Fluid coupling
On a turbofan engine_____produces a great deal of thrust due to the highly efficient design of the
turbofan blades. - correct answer ✔✔Bypass air
In a_____turboprop engine, the propeller is driven directly from the compressor shaft through a
reduction gear assembly. - correct answer ✔✔Direct Drive
What phrase us used to describe the completion of an electrical circuit that runs through the metal
structure of an aircraft? - correct answer ✔✔Ground
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