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141 Cards in this Set

  • Front
  • Back
Corrosion is
chemical or
electrochemical deterioration of a material or its
properties due to its chemical reaction with the
surrounding environment
Aluminum
and magnesium form corrosion products that are what color
white
oxides or hydroxides
what is The smallest unit of an element, made
up of a positively charged nucleus surrounded by a
system of negatively charged electrons
atom
A negatively charged subatomic
particle.
electron
An atom or group of atoms or molecules
which has acquired a net electric charge by gaining
(negative ion) or losing (positive ion) electrons
ion
A liquid (usually water) solution
containing ions
eLECTROLYTE
Four conditions must
exist before metal corrosion can occur.
a. A metal which has a tendency to corrode must
be present (the corroding metal is called the anode);
b. A dissimilar conductive material (the cathode),
which has less tendency to corrode than the anode,
must be present (a dissimilar metal may be a different
metal, a protected part of the same metal, or conductive
plastic);
c. A conductive liquid (electrolyte) must connect the
anode and cathode (so that ions can carry electric
current between them); and
d. Electrical contact between the anode and cathode
(usually in the form of metal-to-metal contact) must
exist so that electrons can move between the anode
and the cathode.
FACTORS INFLUENCING CORROSION
TYPE OF MATERIAL,HEAT TREATMENT AND GRAIN DIRECTION.DISSIMILAR METALS.AVAILABILITY OF OXYGEN.ELECTROLYTE CONCENTRATION.PRESENCE OF ELECTROLYTES.ANODE AND CATHODE SURFACE AREA.
Galvanic corrosion
different metals are in contact with each
other and an electrolyte, such as sea water
PITTING CORROSION.
Pitting is a form of
extremely localized attack that results in holes in the
metal
INTERGRANULAR CORROSION.
is an attack on the grain
boundaries of the metal.
EXFOLIATION CORROSION
is an advanced form of
intergranular corrosion where the surface grains of a
metal are lifted up by the force of expanding corrosion
products occurring at the grain boundaries
CREVICE CORROSION
may occur
in any crevice where a stagnant solution has pooled
FILIFORM CORROSION
is
a form of crevice corrosion which occurs on metal
surfaces having a thin (~4 mils) organic protective
coating.
EROSION CORROSION.
Erosion corrosion is
the increase in the rate of attack on a metal due to the
action of a corrosive fluid against the metal surface
STRESS CORROSION
Stress corrosion
(Figure 3-19) is the intergranular or transgranular
cracking of a metal caused by the combined effects of
constant tensile stress (internal or applied) and corrosion
CORROSION FATIGUE.
Corrosion fatigue
(see Figure 3-19) is the cracking of metals caused by
the combined effects of cyclic stress and corrosion
Fretting corrosion
Fretting corrosion
occurs at contact areas between materials under load
subject to repeated vibration.
HOT CORROSION.
Corrosion in the absence of
water can occur at high temperatures
Aluminum Alloy
White to gray powder
Magnesium Alloy
White, powdery, snowlike mounds,
and white spots on surface
Carbon & Low
Alloy Steel
(4000-8000 series)
Reddish-brown oxide (rust)
Titanium Alloy
No visible corrosion products at low temperature.
Colored surface oxides develop above
700° F (370° C)
Cadmium (used as
a protective plating
for steel)
Uniform surface corrosion From white powdery deposit to brown or black
Stainless Steels
(300-400 series
Rough surface; sometimes a red, brown,
or black stain
Cadmium
From white powdery deposit to brown or black
mottling of the surface.
Chromium
No visible corrosion products; blistering of plating
due to rusting and lifting
Nickel-base Alloy
(Inconel, Monel)
Green powdery deposit
Electroless Nickel
(used as a plating)
Nickel does not corrode, but promotes corrosion
of aluminum base metal where pits occur in the
plating
Copper-base Alloy,
Brass, Bronze
Blue or blue-green powdery deposit
Silver
Brown to black film
Gold
Deposits cause darkening of reflective surfaces
Tin
Whisker-like deposits
The first successful launch of a aircraft from a ship
was made by Eugene Ely, who flew a Curtiss biplane
from a specially built 83-foot wooden platform on the
forecastle of the cruiser Birmingham in what year
1910
On what date did the Navy purchase its first
aircraft from Glenn Curtiss—the A-1 Triad. This date
of purchase became the official birthday of naval
aviation
8 May 1911
When was the converted collier ship Jupiter (AC-3) was
renamed USS Langley and commissioned. It became
the first official aircraft carrier
1922
The Battle of Coral Sea
1942 caused the Japanese
to abandon their attempt to land at Port Moresby.
Carrier-based aircraft attacked the Japanese task force
and their landing forces. This was the first major battle
without opposing ships making contact.
Japan suffered heavy losses to their surface force, their aircraft, and experienced aircraft
pilots.
1942 Battle of Midway
The Navy commissioned its first helicopter
squadron—the HU-1, and the first carrier landing was
made by a U.S. Navy jet (the FJ-1 Fury lands aboard the
USS Boxer).
1948
Who was the first Naval Aviator to fly into
space?
Alan Sheppard
When did the Secretary of Defense lift the ban on
combat flights for women and allows assignments on
combat vessels.
1993
What are the three types of noncombatant
squadrons?
development, tactical, and training
squadrons.
The Line Division does?
performs
scheduled and unscheduled maintenance work on the
aircraft. This responsibility includes preflight,
turnaround, daily and post-flight inspections, servicing
as well as troubleshooting discrepancies
The airframe of a fixed-wing aircraft consists of the
following five major units
1. Fuselage
2. Wings
3. Stabilizers
4. Flight controls surfaces
5. Landing gear
A rotary-wing aircraft consists of the following
four major units:
1. Fuselage
2. Landing gear
3. Main rotor assembly
4. Tail rotor assembly
is defined as pull. It is the
stress of stretching an object or pulling at its ends
Tentioned
If forces acting on an aircraft move toward each
other to squeeze the material, the stress is called
Compression
The main purpose of stabilizers is
to keep the
aircraft in straight-and-level flight.
flight controls
ailerons, elevators, and rudders.
Airlerons
The ailerons
attach to the trailing edge of the wings. They control the
rolling (or banking) motion of the aircraft. This action
is known as longitudinal control.
Elevators
The elevators are attached to the horizontal
stabilizer and control the climb or descent (pitching
motion) of the aircraft. This action is known as lateral
control.
Rudder
The rudder is attached to the vertical stabilizer. It
determines the horizontal flight (turning or yawing
motion) of the aircraft. This action is known as
directional control.
Spoliers
are used to decrease wing
lift.
Speed Brakes
Speed brakes are movable
control surfaces used for reducing the speed of the
aircraft. Some manufacturers refer to them as dive
brakes; others refer to them as dive flaps
shock strut
designed to absorb the shock that
would otherwise be transmitted to the airframe during
landing, taxiing, and takeoff
What does the term “wet wing” mean
that is constructed so it can be used as a fuel cell. The
wet wing is sealed with a fuel-resistant compound as it
is built. The wing holds fuel without the usual rubber
cells or tanks
Most present-day Navy aircraft are equipped
with what type of landing gear
tricycle landing gear
In fuselage construction, what are the three
classes of monocoque design?
monocoque, semimonocoque, and reinforced
shell
Tubing
to transmit the fluid
relief valve
a safety valve installed in the
system. When fluid is bypassed through the valve to the
return line, it returns to the reservoir. This action
prevents excessive pressure in the system.
check valve
allow the flow of fluid in one
direction only
pressure regulator
unloads or
relieves the power-driven pump when the desired
pressure in the system is reached
selector valve
to direct the flow of fluid
There are two types of pneumatic systems currently
used in naval aircraft
One type uses storage bottles for
an air source, and the other has its own air compressor
Structural screws
Structural screws are used for assembly of
structural parts, as are structural bolts. They are made
of alloy steel and are properly heat-treated
Machine Screw
The commonly used machine screws are the round
head, flat head, fillister head, pan head, truss head, and
socket head types
Self Tapping Screw
A self-tapping screw is one that cuts its own
internal threads as it is turned into the hole
Gas turbine.
The gas turbine engine operates as
a continuous turbine-compressor unit.
As a general rule, store paint
materials between what degree in temperature?
40F-100F
Paint colors are represented by five digit
numbers.
The first digit describes gloss value,The second digit describes the color family, The remaining three digits describe
the color value or hue
A touch-up spray
gun is used for?
A touch-up spray
gun is used to apply paint to small areas using a small
spray pattern
Brushes and rollers are used for?
Brushes and rollers are
environmentally preferred alternatives for touch-up
painting since they produce little paint waste and do not
require solvent clean up
The basic roles and functions of an ombudsman are?
1)Serve as the primary link/liaison and
communicator of information between 2)Communicate regularly with command families
in ways approved and supported by the
command 3)Provide information and outreach to command
family members
command families and the command.
The four main sources of pollutants are?
a. Agricultural runoff
b. Industrial
c. Municipal
d. Transportation operations
What is the the code of conduct?
Articles:
1)I am an American
2)I will never surrender
3)If I am captured I will continue to resist by all means
available.4)If I become a prisoner of war, I will keep faith with
my fellow prisoners 5) I am required to give name, rank, service number
and date of birth.6) I will never forget that I am an American
List the three sources that contain the basic
disciplinary laws for the U.S. Navy?
U.S. Navy Regulations, Standard Organization and
Regulations of the U.S. Navy, and the Uniform Code of
Military Justice (UCMJ)
Article 87?
Missing Movement
Article 86?
Absence without leave
Article 85?
Desertion
Article 92?
Failure to obey an order
Article 99?
Misbehavior before the enemy
Article 93
Crulety and Maltreament
Article 104
Aiding the enemy
Article 97
Unlawful detention
Article 112
Drunk on Duty
Article 115
Malingering
Article 120
Rape and carnal knowledge
Article 119
Manslaughter
Article 129
Burglary
Article 125
Sodomy
Article 138
Complaints of wrongs
Article 134
General Article
Article 2
Persons subject to the Code
Article 3
Jurisdiction to try certain persons even
though they have been separated from
the service
How many punticle article are there?
77-134
Ships of the U.S. Navy are divided into four
categories?
• Combatant ships
• Auxiliary ships
• Combatant craft
• Support craft.
Cruisers provide?
They
serve as protective screens against surface and air
attacks and also provide gunfire support for land
operations.
Frigates provide?
The classification “frigate” designates
ships used for open-ocean escort and patrol
Amphibious warfare ships provides?
An amphibious
assault operation is the fastest means of landing large
numbers of personnel, equipment, and supplies on
enemy-held territory
Amphibious assault ships?
Able to embark,
deploy, and land a marine battalion landing team by
helicopter, landing craft, amphibious vehicle, or by a
combination of these methods.
Women fingernails must not exceed ?
1/4 inch measured
from the tip of the finger
Is the wearing of maternity uniform mandatory true or false?
True
Identification tags must be worn while you are on
active duty in theNavy under the following conditions
• In time of war
• In time of national emergency
• When engaged in flight operations
• When traveling in aircraft
• When reporting to an armed forces medical
facility for treatment
• When prescribed by the Chief of Naval
Operations (CNO)
• When prescribed by competent authority
Identification tags are made of metal,
approximately what length?
2 inches long by 1 1/8 inches wide, and
attached to a 25-inch necklace
If you are prisoner of war can you surrender your id?
You can show your Identification but you may NOT surrender it.
A space of __ inches between the chest of one
person and the back of the person ahead within
ranks.
40 inches
What command tells you to smartly turn your
head 45° to the right
Eyes Right
What Mil-Prf is used for a/c cleaning and what parts water
Mil-Prf 85570 type 1 and 9 parts water OR

MIL-PRF 85570 type 2 16 parts water
After applying the cleaning solution with a
non-metallic bristle brush, allow dwell time of
approximately how many minutes before rinsing
10 min
Army E-1
Private
Army E-2
Private 2
Army E-3
Private First Class
Army,Air Force,Marines O-1
Second Lieutenant
Army,Air Force,Marines O-2
First Lieutenant
Army, Air Force, Marines O-3
Captain
Army, Air Force, Marines O-4
Major
Army, Air Force, Marines O-5
Lieutenant Colonel
What is a Army, Air Force, Marines O-6 rank?
Colonel
What is a Army, Air Force, Marines O-7 rank?
Brigadier General
Under emergency conditions, all personnel shall
assume responsibility for minimizing damage. Removal
of equipment shall be supervised by who?
AMO
What is a Army, Air Force, Marines O-8 rank?
Major General
What is a Army, Air Force, Marines O-9 rank?
Lieutenant
General
What are Quality Assurance (QA) Responsibilities?
1, Maintain the CTPL for the department, including TDs, control classified technical publications 2, Establish qualification requirements for QARs, CDQARs, and CDIs 3, Periodically (at a minimum annually), accompany CDIs during scheduled maintenance and
unscheduled maintenance tasks to recheck their qualifications 4, Ensure all work guides, checkoff lists, check sheets and MRCs used to define and control
maintenance are complete and current prior to issuing to crews or individuals 5, Verify MRCs are entered into the NALCOMIS OMA or SESS database as changes occur to the
MRC decks.
What Programs Do QARS manage?
1. CTPL.
2. Maintenance Department/Division Safety.
3. Quality Assurance Audit Program (Chapter 10, paragraph 10.7).
4. SE Misuse/Abuse.
5. Aircraft Confined Space Program (Chapter 3, paragraph 3.2.2.3).
6. NAMDRP (Chapter 10, paragraph 10.9).
What is AK0
Assigned by organizational maintenance
activities only when they requisition material to restore
an aircraft to mission capable (MC) status
What is AK7
Assigned by organizational maintenance
activities when they requisition material to return
mission essential subsystems to an operational
condition when an aircraft is in a partial mission capable
(PMC) status
When entering data on the VIDS/MAF (a 5-part
form), you must use what type of utencil?
black ballpoint pen. Press hard
so that all copies are readable, and PRINT LEGIBLY
When did Eugene Ely takeoff from a ship
Nov, 14 1910
U.S. Navy enters the helicopter field of
aviation by purchasing helicopters from U.S. Army in what year?
1943
Navy purchased its first
aircraft from Glenn Curtiss—the A-1 Triad. This date
of purchase became the official birthday of naval
aviation.
May 8 1911
There are two general types of fuselage
construction—
welded steel truss and monocoque
designs. The welded steel truss was used in smaller
Navy aircraft, and it is still being used in some
helicopters.
The monocoque design relies largely on the
strength of the skin, or covering, to carry various loads.
The monocoque design may be divided into three
classes—monocoque, semimonocoque, and reinforced
shell.
Ailerons
The ailerons
attach to the trailing edge of the wings. They control the
rolling (or banking) motion of the aircraft. This action
is known as longitudinal control.
Elevators
The elevators are attached to the horizontal
stabilizer and control the climb or descent (pitching
motion) of the aircraft. This action is known as lateral
control
Rudders
The rudder is attached to the vertical stabilizer. It
determines the horizontal flight (turning or yawing
motion) of the aircraft. This action is known as
directional control.
MLG consist of
Each main
landing gear has a conventional air-oil shock strut, a
wheel brake assembly, and a wheel and tire assembly.
NLG consist of
The nose landing gear has a conventional air-oil shock
strut, a shimmy damper, and a wheel and tire assembly
Hydraulic components
Areservoir to hold a supply of hydraulic fluid
 A pump to provide a flow of fluid
 Tubing to transmit the fluid
 A selector valve to direct the flow of fluid
 An actuating unit to convert the fluid pressure
into useful work
Check Valve
allow the flow of fluid in one
direction only.
There are two basic ways to contaminate a
hydraulic system.
inject particles, and the
other is to intermix fluids, including water
Selector valve
to direct the flow of fluid
Aircraft hardware is usually identified by
specification number or trade name
big
c