Block 1 review
A fully charged aircraft battery is an example of?
A. Potential Energy.
B. Kinetic Energy.
C. Power.
A. Potential Energy.
Zone numbers on aircraft blueprints are used to
A. locate parts, sections, and views on large drawings.
B. indicate different sections of the aircraft fuselage.
C. locate parts in the aircraft relative to the mean
aerodynamic chord.
A. locate parts, sections, and views on large drawings.
What is the purpose of safety wire?
It is a method of wiring together two or more units
in such a manner that any tendency of one to loosen is counteracted by the tightening of the wire.
What does the abbreviation SAE mean?
Society of Automotive Engineers
Corrosion problems downstream of engine exhaust areas is caused by
A. chemical makeup of exhaust gasses.
B. heat from engine exhaust.
C. moisture mixed in the exhaust gasses
A. chemical makeup of exhaust gasses.
"Both jet and reciprocating engine exhaust deposits are very corrosive and present particular trouble where gaps, seams, hinges, and fairings are located downstream from the exhaust pipes or nozzles."
The ____ ____ ______ is the maximum allowable weight of a loaded aircraft without fuel.
zero fuel weight
A thick, solid line indicates what?
A visible line
A file card
Elongated bolt holes in critical aircraft structural members may be drilled to the next larger size.
A. True
B. False
C. With manufacturer's approval
C. With manufacturer's approval
"In cases of oversized or elongated holes in critical members, obtain advice from the aircraft or engine manufacturer before drilling or reaming the hole to take the next larger bolt."
Define stress corrosion.
Corrosion that occurs by combined effect of sustained tensile stresses and a corrosive environment.
Before draining _____ from an aircraft, check the Aircraft Specification to determine whether the tanks should be full or empty.
A.) oil
B.) fuel
C.) hydraulic fluid
A.) oil
What information can you find on the title block of an aircraft drawing?
1. The name of the part or assembly.
2. The scale to which it is drawn.
3. The date.
4. The name of the firm.
5. The name of the draftsmen, the checker, and the person approving the drawing
6. A drawing number to identify the print for filing purposes and to prevent confusing it with any other print.
What are strap wrenches used for?
A strap wrench is a hand tool used to grip and turn objects that are difficult to reach or irregularly shaped
Aircraft nuts are made of stainless steel, anodized 2024T aluminum alloy, or
A. copper plated carbon steel.
B. copper plated nickel steel.
C. cadmium plated carbon steel.
C. cadmium plated carbon steel.
Ferrous oxide corrosion is typically formed
A. atmospheric humidity.
B. dissimilar metal contact.
C. exposure to a slight but constant electrical charge.
A. atmospheric humidity
"One of the most familiar types of corrosion is ferrous oxide (rust), generally resulting from atmospheric oxidation of steel surfaces."
The person ultimately responsible for determining whether an aircraft is in an airworthy condition is the
A. pilot in command.
B. aircraft's owner.
C. A&P mechanic who signed off the current annual or 100 hour inspection.
A. pilot in command.
Which statement is applicable when using a sketch for making a part?
A. The sketch may be used only if supplemented with a 3-view orthographic projection drawing.
B. The sketch must show all information to manufacture the part.
C. The sketch need not show all necessary
construction details.
B. The sketch must show all information to manufacture the part.
"The degree to which a sketch is complete will depend on its intended use. However, it must show all information necessary for its intended use."
What three 'heads' does a combination set have?
A protractor, a center head, and a stock head
What is generally used in the construction of aircraft
engine firewalls?
A. Stainless steel
B. Chrome-molybdenum alloy steel
C. Titanium nickel alloy
A. Stainless steel
"Partly due to its corrosion resistant characteristics, some common applications for stainless steel are in the fabrication of firewalls, exhaust collectors, stacks, and manifolds, where both temperatures are high and the presence of corrosive agents may be common."
What is the principle benefit of an Alclad aluminum surface
A. it is easy to keep clean.
B. pure aluminum is less susceptible to corrosion than aluminum alloys.
C. the hardened surface protects internal structure
of material.
B. pure aluminum is less susceptible to corrosion than aluminum alloys.
Which gas law states that all gases expand and contract in direct proportion to the change in the absolute temperature provided the pressure is held constant?
A. Dalton's Law
B. General Gas Law
C. Charles' Law
C. Charles' Law
"Charles found that all gases expand and contract in direct proportion to the change in the absolute temperature, provided the pressure is held constant."
In an aircraft drawing, what type of line would be drawn if it was composed of one long and two short evenly spaced dashes indicating the alternate position of parts of an object or relative position of a missing part?
A. a sectioning line.
B. a break line.
C. a phantom line.
C. a phantom line.
Which tool is used to find the center of a shaft or other
cylindrical work?
A. Combination set
B. Dial indicator
C. Micrometer caliper
A. Combination set
"The center head of a combination set is used to find the center of shafts or other cylindrical work."
What is normalizing?
The normalizing of steel removes the internal stresses. It can make the metal more ductile and tough. It involves heating the steel above the upper critical point and cooling in still air.
Which is the best method to detect intergranular corrosion?
A. Magnetic particle inspection.
B. Ultrasonic inspection.
C. Liquid penetrant.
B. Ultrasonic inspection.
"Intergranular corrosion occurs within the structure
of aluminum alloys (and sometimes stainless steel).
Being non-ferrous aluminum, we can rule out magnetic particle inspection. Being within the structure, as opposed to its surface, we can rule out liquid penetrants. Ultrasonic techniques excel at detecting subsurface defects of non-ferrous metals."