Identify the extension line in the above figure
a. 3
b. 1
c. 4
a. 3
Working drawings may be divided into three classes.They are:
a. Title drawings, installation drawings, and assembly drawings
b. Detail drawings, assembly drawings, and installation drawings
c. Detail drawings, orthographic projections drawings, and pictorial drawings
b. Detail drawings, assembly drawings, and installation drawings
What does IPC stand for?
Illustrated Parts Catalogue
What material symbol is frequently used in drawings to represent all metals?
a. Steel
b. Cast iron
c. Aluminum
b. Cast iron
In the reading of aircraft blueprints, the term ‘tolerance,’ used in association with aircraft parts or components,
a. Is the tightest permissible fit for proper construction and operation of mating parts.
b. Is the difference between extreme permissible dimensions that a part may have and still be acceptable.
c. Represents the limit of galvanic compatibility between different adjoining material types in aircraft parts.
b. Is the difference between extreme permissible dimensions that a part may have and still be acceptable.
In this figure, what is the maximum diameter of the hole for the clevis pin?
a. 0.3175
b. 0.3130
c. 3.1255
a. 0.3175
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.
Regarding the above statements,
a. Only 1 is true
b. Both 1 and 2 are true
c. Only 2 is true
c. Only 2 is true
Which of the following terms is/are used to indicate specific measured distance from the datum and/or other points identified by the manufacturer, to the points in or on the aircraft?
a. Zone and station numbers
b. Station numbers
c. Reference numbers
b. Station numbers
In a sectional view drawing, what sections illustrate particular parts of an object?
a. Removed.
b. Revolved.
c. Half
a. Removed
What is used to indicate that a surface must be machine finished?
a. Text
b. Leader lines
c. Finished marks
c. Finished marks
In this figure, the vertical distance between the top the plate and the bottom of the lowest 15/64-inch hole is
a. 2.250
b. 2.242
c. 2.367
C. 2.367
The drawings often used in illustrated parts manuals are
a. Exploded-view drawings
b. Block drawings
c. Detail drawings
a. Exploded-view drawings
The measurement showing the ideal or ‘perfect’ sizes of parts on drawings are called:
a. Allowances
b. Dimensions
c. Tolerances
b. Dimensions
What should be the first step of the procedure in sketching an aircraft wing repair?
a. Draw heavy guidelines.
b. Lay out the repair.
c. Block in the views
c. Block in the views
(Refer to the figure above). What would be the minimum diameter of 4130 round stock required for the construction of the Clovis that would produce a machined surface?
a. 55/64
b. 1 inch
c. 7/8 inch
b. 1 inch
(Refer to the figure above) An aircraft reciprocating engine has a 1,830 cubic-inch displacement and develops 1,250 brake-horsepower at 2,500 RPM. What is the brake mean effective pressure?
a. 217
b. 205
c. 225
a. 217
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. One-view, two-view, and three-view drawings are the most common.
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. Detail drawing
When reading a blueprint, a dimension is given as 4.387 inches +.005 - .002. Which statement is true?
a. The maximum acceptable size is 4.390 inches
b. The minimum acceptable size is 4.385 inches.
c. The minimum acceptable size is 4.382 inches
b. The minimum acceptable size is 4.385 inches.
Schematic diagrams are best suited for which of the following?
a. Showing the visual details of individual components of a system
b. Showing the overall location and appearance of components in a system.
c. Troubleshooting system malfunctions
c. Troubleshooting system malfunctions
In this figure, determine the maximum length of a No.12 single cable that can be used between a 28-volt bus and a component utilizing 20 amperes continuous loading free air with a maximum acceptable 1-volt drop.
a.22.5 feet
b. 26.5 feet
c. 12.5 feet
b. 26.5 feet
(Regarding the above figure.) What is the next Step required for a working sketch of the illustration?
a. Darken the object outlines
b. Sketch extension and dimension lines
c. Add notes, dimensions,, title ,and date
b. Sketch extension and dimension lines
A line used to show an edge which is not visible is a
a. phantom line
b. hidden line
c. break line
b. hidden line
(1) A measurement should not be scaled from an aircraft print because the paper shrinks or stretches when the print is made. (2) When a detail drawing is made, it is carefully and accurately drawn to scale, and it is dimensioned.
Regarding the above statements,
a. Only 2 is true
b. Both 1 and 2 are true.
c. Neither 1 nor 2 is true.
b. Both 1 and 2 are true.
What type of line is normally used in a drawing or blueprint that indicates invisible edges or contours?
a. Medium-weight short dashes, evenly spaced
b. Medium-weight very short dashes, evenly spaced
c. Thin-weight, one long and two short dashes, evenly spaced
a. Medium-weight short dashes, evenly spaced.