AIRCRAFT DRAWINGS Flashcards
What type of line is normally used in a mechanical drawing or blueprint to represent an edge or object not visible to the viewer?
A. Medium-weight dashed line
B. Medium solid line
C. Alternate short and long light dashes
A medium weight dashed line
(Refer to figure 27) In the isometric view of a typical aileron balance weight, identify the view indicated by the arrow.
3
(1) A detail drawing is a description of a single part.
(2) An assembly drawing is a description of an object made up of two or more parts.
1 and 2 are true.
(Refer to figure 28) Identify the bottom view of the object shown.
2
A specific measured distance from the datum or some other point identified by the manufacturer, to a point in or on the aircraft is called a
A. zone number
B. reference number
C. station number
C
Which statement is true regarding an orthographic projection?
A. There are always at least two views
B. It could have as many as eight views
C. One-view, two-view, and three-view drawings are the most common
C
(Refer to figure 29) Identify the left side view of the object shown.
3
A line used to show an edge which is not visible is a
A. phantom line
B. hidden line
C. break line
B
What type of drawing line consists of alternating long and short lines
A. Dimension
B. Center
C. Hidden
B
(Refer to figure 30) Identify the bottom view of the object
1
(1) Schematic diagrams indicate the location of individual components in the aircraft
(2) Schematic diagrams indicate the location of components with respect to each other within the system
2
(Refer to figure 31) What are the proper procedural steps for sketching repairs and alterations?
3,1,4,2
Which statement is applicable when using a sketch for making a part?
A. The sketch may be used only if supplemented with three-view orthographic projection drawings
B. The sketch must show all information to manufacture the part
C. The sketch need not show all necessary construction details
B
(Refer to figure 32) What is the next step required for a working sketch of the illustration?
A. Darken the object lines
B. Sketch extension and dimension lines
C. Add notes, dimensions, title, and date
B
For sketching purposes, almost all objects are composed of one or some combination of six basic shapes; these include the
A. angle, arc, line, plane, square, and circle
B. triangle, circle, cube, cylinder, cone, and sphere
C. triangle, plane, circle, line, square, and sphere
B
In a sectional view drawing, what sections illustrate particular parts of an object?
A. Removed
B. Revolved
C. Half
A
What should be the first step of the procedure in sketching an aircraft wing skin repair?
A. Draw heavy guidelines
B. Lay out the repair
C. Block the views
C
A simple way to find the center of a circle on a sketch or drawing, or a circular piece of material is to
A. draw two non-parallel chord lines across the circle and then a corresponding perpendicular bisector line across each chord line.
B. draw two parallel chord lines across the circle and then a corresponding perpendicular bisector line across each chord line.
C. draw a single chord line across the circle and then a corresponding perpendicular bisector line across each chord line.
A
(1) According to 14 CFR Part 91, repairs to an aircraft skin should have a detailed dimensional sketch included in the permanent records
(2) On occasion, a mechanic may need to make a simple sketch of a proposed repair to an aircraft, a new design, or a modification
2
Working drawings may be divided into 3 classes. They are:
A. title drawings, installation drawings, and assembly drawings.
B. detail drawings, assembly drawings, and installation drawings.
C. detail drawings, orthographic projection drawings, and pictorial drawings
B
What is the class of working drawing that is the description/depiction of a single part?
A. Installation drawing
B. Assembly Drawing.
C. Detail Drawing
C
Sketches are usually made easier by the use of
A. graph paper
B. plain white paper.
C. artist’s paper
A
(1) Sketches are usually made with the aid of drafting instruments
(2) Sketches are usually more complicated to make when using graph paper
None
What material symbol is frequently used in drawings to represent all metals?
A. Steel
B. Cast Iron
C. Aluminum
B