NAVEDTRA 14008 (AD) CHAPTER 1 +
4 AWFC EXAM
What is NAVEDTRA 14008 - Correct Answers -Aviation Machinist's Mate
What engine does not use atmospheric air for combustion ? - Correct Answers -A rocket
The thrust developed by a ramjet engine is due to what ? - Correct Answers -When
increase in the air's temperature
what effect does a divergent duct have on airflow? - Correct Answers -An increase in
pressure and a decrease in velocity
What is the definition of the term "force" ? - Correct Answers -Action on a body that
changes its state of motion
What statement is correct regarding mass and weight ? - Correct Answers -Mass is the
quantity of matter and weight is the pull of gravity on matter.
What term is defined as the measurement of force multiplied by distance? - Correct
Answers -Work
What term is defined as the capacity for doing work? - Correct Answers -Energy
An engine exerting 1,375 pounds of force moves a vehicle 13.5 feet in 20 seconds.
What is the total amount of work accomplished? - Correct Answers -18,562.5 foot
pounds
A standard day at sea level is indicated by what condition ? - Correct Answers -29.92
inches of mercury, 0% humidity, and a prettier of 59 degrees F
What happens to a slug of air as the temperature increase? - Correct Answers -
Molecules move faster, run into each other with more impact and move further apart
decreasing air density
What is the ram effect ? - Correct Answers -More air arriving at the engine intake that
the engine can ingest
Newtown's first law pertains to what ? - Correct Answers -Inertia
, Newton's second law pertains to what? - Correct Answers –Acceleration
what is the difference between a disc and turbine wheel? - Correct Answers -A turbine
wheel has no blades
Turbine discs are commonly attached to the turbine shaft by what method? - Correct
Answers -Bolting
When the shrouded turbine is compared with a n open turbine, the shrouded turbine
offers all except one advantage? - Correct Answers -It requires fewer blades
Which type of turbine is required for a split-spool compressor? - Correct Answers -Dual
rotor
Newton's third law pertains to what ? - Correct Answers -Action/Reaction
In the formula F=M x A, what is a measurement unit for M? - Correct Answers -slugs
What groups of jet engines will you as an AD , be associated with most? - Correct
Answers -Rocket
Pulse Jet
Ram Jet
Jet Turbine
What is the abbreviation designation for Bell Aircraft - Correct Answers -BA
What is the abbreviation designation for Allison Aircraft? - Correct Answers -A
What is the abbreviation designation for Packard Aircraft - Correct Answers -V
In the engine designation , J79-GD-10, what does the 79 indicate ? - Correct Answers -
Air Force developed
An Air Force sponsored engine begins with what model number. - Correct Answers -100
An Navy sponsored engine begins with what model number. - Correct Answers -400
An Army sponsored engine begins with what model number. - Correct Answers -700
What are the three parts of the MIL-STD-879 Engine designation system ? - Correct
Answers -Type indicator
manufacture symbol
model indicator
What is a reason for proper air entrance (duct) design ? - Correct Answers -To increase
ram recovery while reducing pressure drops
4 AWFC EXAM
What is NAVEDTRA 14008 - Correct Answers -Aviation Machinist's Mate
What engine does not use atmospheric air for combustion ? - Correct Answers -A rocket
The thrust developed by a ramjet engine is due to what ? - Correct Answers -When
increase in the air's temperature
what effect does a divergent duct have on airflow? - Correct Answers -An increase in
pressure and a decrease in velocity
What is the definition of the term "force" ? - Correct Answers -Action on a body that
changes its state of motion
What statement is correct regarding mass and weight ? - Correct Answers -Mass is the
quantity of matter and weight is the pull of gravity on matter.
What term is defined as the measurement of force multiplied by distance? - Correct
Answers -Work
What term is defined as the capacity for doing work? - Correct Answers -Energy
An engine exerting 1,375 pounds of force moves a vehicle 13.5 feet in 20 seconds.
What is the total amount of work accomplished? - Correct Answers -18,562.5 foot
pounds
A standard day at sea level is indicated by what condition ? - Correct Answers -29.92
inches of mercury, 0% humidity, and a prettier of 59 degrees F
What happens to a slug of air as the temperature increase? - Correct Answers -
Molecules move faster, run into each other with more impact and move further apart
decreasing air density
What is the ram effect ? - Correct Answers -More air arriving at the engine intake that
the engine can ingest
Newtown's first law pertains to what ? - Correct Answers -Inertia
, Newton's second law pertains to what? - Correct Answers –Acceleration
what is the difference between a disc and turbine wheel? - Correct Answers -A turbine
wheel has no blades
Turbine discs are commonly attached to the turbine shaft by what method? - Correct
Answers -Bolting
When the shrouded turbine is compared with a n open turbine, the shrouded turbine
offers all except one advantage? - Correct Answers -It requires fewer blades
Which type of turbine is required for a split-spool compressor? - Correct Answers -Dual
rotor
Newton's third law pertains to what ? - Correct Answers -Action/Reaction
In the formula F=M x A, what is a measurement unit for M? - Correct Answers -slugs
What groups of jet engines will you as an AD , be associated with most? - Correct
Answers -Rocket
Pulse Jet
Ram Jet
Jet Turbine
What is the abbreviation designation for Bell Aircraft - Correct Answers -BA
What is the abbreviation designation for Allison Aircraft? - Correct Answers -A
What is the abbreviation designation for Packard Aircraft - Correct Answers -V
In the engine designation , J79-GD-10, what does the 79 indicate ? - Correct Answers -
Air Force developed
An Air Force sponsored engine begins with what model number. - Correct Answers -100
An Navy sponsored engine begins with what model number. - Correct Answers -400
An Army sponsored engine begins with what model number. - Correct Answers -700
What are the three parts of the MIL-STD-879 Engine designation system ? - Correct
Answers -Type indicator
manufacture symbol
model indicator
What is a reason for proper air entrance (duct) design ? - Correct Answers -To increase
ram recovery while reducing pressure drops
