ASSIGNMENT 6
Textbook Assignment: "Aircraft Power Plants," chapter 6, pages 6-1 through 6-20.
6-1.
In 250 B.C., the first reaction engine was built
by what group of people?
1.
Romans
2.
Egyptians
3.
Greeks
4.
Babylonians
6-2.
Naval aircraft jet propulsion engines may be
identified by what total number of categories?
1.
One
2.
Two
3.
Three
4.
Four
6-3.
The gas turbine engine powers almost all Navy
aircraft.
1.
True
2.
False
6-4.
Rocket engines carry their own oxidizer for
combustion for what primary reason?
1.
For travel above the atmosphere
2.
For travel within the atmosphere
3.
To take the place of hydrogen
4.
To take the place of carbon
6-5.
Jet propulsion engine operations can be ex-
plained by which of the following laws of
motion?
1.
Newton's first
2.
Newton's second
3.
Newton's third
4.
Newton's fourth
6-6.
When the stem of an inflated balloon is re-
leased, what action causes the balloon to move
forward?
1.
The force of the escaping air
2.
The low-pressure area against the front of
the balloon
3.
The pressure from inside the balloon
pushing against the outside air
4.
The pressure of the air on the inside of the
balloon directly opposite the open stem
6-7.
A basic gas turbine engine consists of what
total number of major sections?
1.
Six
2.
Five
3.
Three
4.
Four
6-8.
Most of the air taken into the combustion
chamber of a jet engine is used for what
purpose?
1.
Compression
2.
Propulsion
3.
Combustion
4.
Cooling
6-9.
A compressor stage consists of what row(s) of
blades or vanes?
1.
Rotating blades only
2.
Stator vanes only
3.
Rotating blades and stator vanes
4.
Three or more rows of rotating blades and
stator vanes
6-10.
In a compressor, the air pressure increases each
time it passes through a set of rotors and stators
for which of the following reasons?
1.
The areas of the rotors and stators gets
larger
2.
The areas of the rotors and stators gets
smaller
3.
The spool area of the stators increases
4.
The spool area of the rotors increases
6-11.
Since the initial appearance of the split-spool
compressor engine, the potential thrust of
today's engines has been boosted considerably.
These compressors are driven individually by
what means?
1.
The turbine assembly
2.
Separate wheels of the turbine assembly
3.
The rotor assembly
4.
The stator assembly
6-21
