A&P General Flashcards
What term is used where a computer is used in thee design and drafting process?
2 - Aircraft Drawings
Computer Aided Design and Drafting (CADD)
Three classes of working drawings:
2 - Aircraft Drawings
Detail
Assembly
Installation
A drawing in which the subassemblies or parts are shown as brought together on the aircraft is called an _______.
2 - Aircraft Drawings
Installation drawing
The title block is usually located in which corner?
2 - Aircraft Drawings
Lower right-hand corner
A specific measured distance from the datum or some other point identified by the manufacture, to a point in or on the aircraft is called a _______.
2 - Aircraft Drawings
Station number
Zone numbers on aircraft blueprints are used to locate _____, _____, and _____ on large drawings.
2 - Aircraft Drawings
Parts
Sections
Views
How many views are most common on an orthographic projection?
2 - Aircraft Drawings
One, two, or three view drawings are the most common
A line used to show an edge which is not visible is a ______ line.
2 - Aircraft Drawings
Hidden line
When reading a blueprint, a dimension is given as 4.387 inches +.005 -.002.
What is the minimum acceptable size?
2 - Aircraft Drawings
4.385 inches
Sketches are usually made easier by the use of ______.
a. artist paper
b. a variety of templates
c. plain white paper
2 - Aircraft Drawings
b. a variety of templates
For sketching purposes, what are the two basic shapes that almost all objects are composed of?
2 - Aircraft Drawings
Circles
Rectangles
Which statement is applicable when using a sketch for making a part?
a. The sketch must show all information to manufacture the part
b. The sketch need not show all necessary construction details
2 - Aircraft Drawings
a. The sketch must show all information to manufacture the part
What should be the first step of the procedure in sketching an aircraft wing skin repair?
2 - Aircraft Drawings
Block in the views
In what sizes is microfilm available?
2 - Aircraft Drawings
16-mm
35-mm
The boiling point of a given liquid varies _____ with pressure.
3 - Physics
Directly with pressure
Water in an elevated reservoir and an airplane raised of the ground sitting on jacks are an example of what classification of energy?
3 - Physics
Potential energy
An engine that weighs 350 lbs is removed from an aircraft by a hoist. Engine is raised 3 ft and then moved forward 12 ft. A constant force of 70 lbs is required to move the loaded hoist. What is the total work input required to move the hoist?
3 - Physics
840 foot pounds
How much work input is required to lower (not drop) a 120 pound weight from the top of a 3 foot table to the floor?
3 - Physics
360 foot pounds
What is the force needed to push a 1600 lb airplane up t 6 inch tall ramp (resistance arm) and the length of the ramp is 24 inches (effort arm)
3 - Physics
400 pounds
What stress is applied to an object when the force tries to cut or slice though?
3 - Physics
Shear
What stress acting on an object is great enough that it can cause the object to change its shape or to become distorted?
3 - Physics
Strain
What term describes the rate of motion in a particular direction?
3 - Physics
Velocity
What term describes the rate of change of velocity?
3 - Physics
Acceleration
What is Newton’s first law of motion?
3 - Physics
Objects at rest tend to remain at rest and objects in motion tend to remain in motion at the same speed and in the same direction, unless acted on by an external force
Temperature is a measure of _____ energy of the molecules of any substance.
3 - Physics
Kinetic energy
What is the standard atmospheric pressure at sea level?
3 - Physics
29.92 Hg
What Law states that all gases expand and contract in direction proportion to thee change in absolute temperature, provided the pressure is held constant?
3 - Physics
Charles’ Law
Which Law is used to calculate piston movement in a hydraulic system?
3 - Physics
Pascal’s Law
Which Principle involves a venture?
3 - Physics
Bernoulli’s Principle
When air flows over the top of the wing, air speed _____ and static pressure _____.
3 - Physics
Air speed increases
Static pressure decreases
The speed of sound in the atmosphere changes with a change in _____.
3 - Physics
Temperature
What is the phenomenon that occurs when a particular rpm stresses the propeller to where it will come apart?
3 - Physics
Resonance
What is the standard day atmospheric pressure (psi)?
3 - Physics
14.7 psi
What condition is the actual amount of water vapor in a mixture of air and water?
3 - Physics
Absolute humidity
What is the ratio of water vapor actually present in the atmosphere to the amount that would be present if the air were saturated at the prevailing temperature and pressure?
3 - Physics
Relative humidity
The temperature to which humid air must be cooled at a constant pressure to become saturated is _____.
3 - Physics
Dewpoint
When are privately owned aircraft weighed?
4 - Weight and Balance
When originally certificated, or after major alterations that affect the weight and balance
What should be clearly indicated on the Type Certificate Data Sheet?
a. Weight of unusable fuel
b. Minimum allowable gross weight
c. Location of the datum
4 - Weight and Balance
c. Location of the datum
What type of measurement is used to designate the arm in weight and balance computation?
a. weight x distance
b. weight
c. distance
4 - Weight and Balance
c. distance
What determines whether the value of the moment is preceded by a plus (+) or a minus (-) sign in aircraft weight and balance?
4 - Weight and Balance
The result of a weight being added or removed and its location relative to the datum.
In a balance computation of an aircraft from which an item located aft of the datum was removed, use:
a. (-) weight X (-) arm (+) moment
b. (-) weight X (+) arm (-) moment
c. (+) weight X (-) arm (-) moment
4 - Weight and Balance
b. (-) weight X (+) arm (-) moment
When dealing with weight and balance of an aircraft, the term “maximum weight” is interpreted to mean the maximum ________.
4 - Weight and Balance
Authorized weight of the aircraft and its contents
The amount of fuel used for computing empty weight and corresponding CG is ________.
4 - Weight and Balance
Residual fuel
The useful load of an aircraft is the difference between the _____ and the _____ .
4 - Weight and Balance
Difference between the maximum allowable gross weight and empty weight
The useful load of an aircraft consists of the _____, _____, _____, and _____.
4 - Weight and Balance
Crew
Usable fuel
Passengers
Baggage
When computing W&B, an airplane is considered to be in balance when _____.
a. all moment arms of the plane fall within CG range
b. the movement of thee passengers will not cause the moment arms to fall outside the CG range
c. the average moment arm of the loaded airplane falls within its CG range
4 - Weight and Balance
c. the average moment arm of the loaded airplane falls within its CG range
Where are the weight and balance limitations for an aircraft listed?
4 - Weight and Balance
In the specifications for the particular aircraft
To obtain useful weight data for purposes of determining the CG, it is necessary that an aircraft be weighed _____.
a. with useful items installed
b. no more than minimum fuel in all tanks
c. in a level flight attitude
4 - Weight and Balance
c. in a level flight attitude
The empty weight of an aircraft is 5,862 pounds with a moment of 88,957. However, when the aircraft was weighed, 20 pounds of potable water were on board at +84, and 23 pounds of hydraulic fluid were in a tank located at +101. What is the empty weight CG of the aircraft?
4 - Weight and Balance
151.365
How is the minimum fuel calculated?
Engine’s METO horse power divided by ______
4 - Weight and Balance
The engine’s METO horse power / 2
Two boxes which weigh 10 pounds and 5 pounds are placed in an airplane so that their distance aft from the CG are 4 feet and 2 feet respectively. How far forward of the CG should a third box, weighing 20 pounds, be placed so that the CG will not be changed?
4 - Weight and Balance
2.5 feet
The CG range in single rotor helicopters is _____.
a. More restricted than for airplanes
b. Approximately the same as the CG range for airplanes
c. Much greater than for airplanes
4 - Weight and Balance
a. More restricted than for airplanes
Improper loading of a helicopter which results in exceeding either the force or aft CG limits is hazardous due to the
a. reduction or loss of effective cyclic pitch control
b. reduction or loss of effective collective pitch control
c. coriolis Effect being translated to the fuselage
4 - Weight and Balance
a. reduction or loss of effective cyclic pitch control
Do weight-shift control aircraft and powered parachutes fall under the same CFR that governs certified airplanes and helicopters?
4 - Weight and Balance
No, never
What is the most significant factor affecting the weight and balance of a trike?
a. Weight of the equipment
b. Weight of the pilot
c. Weight of the fuel
4 - Weight and Balance
b. Weight of the pilot
The Boeing 777 utilizes how many independent systems that provide information to the airplane’s flight management computer?
4 - Weight and Balance
Two
What is identified as being at a location that is a specific percent of the mean aerodynamic chord (% MAC)?
a. CG
b. The location of the weight in reference to the datum
c. Equipment distance from the fulcrum
4 - Weight and Balance
CG - Center of Gravity
What property of metal describes its ability to resist deformation?
5 - Materials, Processes, and Hardware
Strength
What property of metal can be hammered, rolled, or pressed into various shapes without cracking, breaking, or leaving some other detrimental effect?
5 - Materials, Processes, and Hardware
Malleability
What property of metal describes its ability to be permanently drawn, bent, or twisted into various shapes without breaking.
5 - Materials, Processes, and Hardware
Ductility
What property of metal allows little bending or deformation without shattering.
5 - Materials, Processes, and Hardware
Brittleness
What property of metal describes its ability of a metal to become liquid by the application of heat.
5 - Materials, Processes, and Hardware
Fusibility
How would a cast-iron spark be identified?
a. Red as they leave the stone and turn into a straw color
b. Gives off long, straight shafts having a few white sprigs
c. Produces long shafts that are straw colored as they leave the stone and white at the end
5 - Materials, Processes, and Hardware
a. Red as they leave the stone and turn into a straw color
What is the principle alloy of stainless steel?
a. chromium
b. molybdenum
c. nickel
5 - Materials, Processes, and Hardware
a. chromium
Which of these materials is the most common applications for springs, castings, tie rods, and control cables?
a. 2024 aluminum alloy
b. stainless steel
c. zinc
5 - Materials, Processes, and Hardware
b. stainless steel
Which principal alloying ingredient is more susceptible to corrosive action?
a. copper
b. magnesium
c. manganese
5 - Materials, Processes, and Hardware
a. copper
In the four-digit aluminum index system number 2024, the first digit indicates the:
a. major alloying element
b. number of major alloying elements used in the metal
c. percent of alloying metal added
5 - Materials, Processes, and Hardware
a. major alloying element
What series alloy is copper the principal alloying element. Solution heat treatment, optimum properties equal to mild steel, poor corrosion resistance unclad.
5 - Materials, Processes, and Hardware
2000 series alloy
Normalizing applies to heat treating
a. aluminum alloys only
b. iron-base metals only
c. both aluminum alloys and iron-base metals
5 - Materials, Processes, and Hardware
b. iron-base metals only
When a mechanical force is repeatedly applied to most metals at room temperature, such as rolling, hammering, or bending, the metals become:
5 - Materials, Processes, and Hardware
cold worked, strain or work hardened
Which form of an alloy, when the elements and compounds are absorbed, one into the other, and the constituents cannot be identified even under a microscope.
a. mechanical mixture
b. solid solution
5 - Materials, Processes, and Hardware
b. solid solution
Which furnace uses a wire or ribbon for heating elements?
a. muffler
b. fuel fired
c. electric
5 - Materials, Processes, and Hardware
c. electric
What is the period that rearrangement of the internal structure of the steel takes place?
a. soaking
b. heating
c. cooling
5 - Materials, Processes, and Hardware
a. soaking
Steel is tempered after being hardened to:
a. increase its strength and decrease its internal stresses
b. increase its hardness and ductility
c. relieve its internal stresses and reduce its brittleness
5 - Materials, Processes, and Hardware
c. relieve its internal stresses and reduce its brittleness
Which heat treating of steel is accomplished by heating the metal to just above the upper critical point, soaking at that temperature, and cooling very slowly in the furnace?
a. annealing
b. tempering
c. hardening
5 - Materials, Processes, and Hardware
a. annealing
Which heat treating operation would be performed when the surface of the metal is changed chemically by introducing a high carbide or nitride content?
a. normalizing
b. tempering
c. casehardening
5 - Materials, Processes, and Hardware
c. casehardening
Which type of heat treating requires special alloys for best results? (#20)
a. carborizing
b. normalizing
c. nitriding
5 - Materials, Processes, and Hardware
c. nitriding
Which two are steps in the solution heat-treatment process?
a. soaking at a temperature for a specified length of time
b. aging or precipitation hardening spontaneously at room temperature
c. heating to a predetermined temperature
5 - Materials, Processes, and Hardware
a. soaking at a temperature for a specified length of time
c. heating to a predetermined temperature