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WorksheetsAircraft drawing test practice
Total questions: 59
Worksheet time: 29mins
What type of line is normally used in drawing or blueprint that indicates invisible edges or contours?
Medium-weight short dashes evenly spaced
Medium-weight very short dashes evenly spaced
Thin-weight one long and two short dashes evenly spaced
In the isometric view of a typical aileron balance weight, identify the view indicated by the arrow.
1
3
2
I. A detail drawing is a description uf a single part.
2. An assembly drawing is a description of an object made up of two or more parts.
Only 1 is true
Neither 1 nor 2 is true
Both 1 and 2 are true
Identify the bottom view of the object shown.
2
1
3
A specific measured distance from the datum or some other point identified by the manufacture, aircraft to a point in or on the aircraft is called a..
Zone numbers
Reference numbers
Station numbers
Which statement is true regarding an orthographic projection?
There are always at least two views
It could have as many as eight views
One-View, Two-view, Three-view drawings
are the most
Identify the left side view of the object shown.
1
2
3
A line used to show an edge which is not visible is a..
Phantom line
Hidden line
Break line
What type of drawing lines consists of alternating long and short lines?
Dimensions
Center
Hidden
Identify the bottom view of the object.
1
2
3
1. Schematic diagrams indicate the location of individual components in the aircraft
2. Schematic diagrams indicate the location if components with respect to each other within the system.
Only 1 is true
Both 1 and 2 are true
Only 2 is true
What are the proper procedural steps for sketching repair and alternations.
3, 1, 4, and 2
4, 2, 3, and 1
1, 3, 4, and 2
Which statement is applicable when using a sketch for making a part?
The sketch may be used only if supplemented with three-view orthographic projection drawings.
The sketch must show all information to manufacture the part.
The sketch need not show all necessary construction details.
What is the next step require for a working sketch of the illustration?
Darken the object outlines
Sketch extension and dimension lines
Add notes, dimensions, title, and date.
For sketching purposes, almost all objects are composed of one or some combination of six basic shapes;
these include the
angle, arc, line, plane, square, and circle
triangle, circle, cube, cylinder, cone, and sphere
triangle, plane, circle, line, square, and sphere
What should be the first step of the prosses, sketching an aircraft wing skin repair?
Draw heavy guidelines
Lay out the repair
Block in the views
In sectional drawing, what sections illustrate particular parts of an object?
Removed
Revolved
Half
A simple way to find the center of a circle on a sketch or drawing, or a circular piece of materials is to..
draw two non-parallel chord lines across the circle and then a corresponding perpendicular bisector line across each chord line
draw two parallel chord lines across the circle and hen a corresponding perpendicular bisector line
across each chord line
draw a single chord line across the circle and then a corresponding perpendicular bisector line across each chord line
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.
Only 1 is true
Only 2 is true
Both 1 and 2 are true
Working drawings may be divided into three, classes. They are:
title drawings, installation drawings, and assembly drawings
detail drawings, assembly drawings, and installation drawings
detail drawings, orthographic projection drawings,
and pictorial drawings
What is the class of working drawing that is the
description/depiction of a single part?
Installation drawing
Detail drawing
Assembly drawing
Sketches are usually made easier by the use of
Graph paper
Plain white paper
Artist paper
1) Sketches are usually made with the aid of drafting instruments.
2) Sketches are usually more complicated to make when using graph paper.
Only 1 is true
Only 2 is true
Neither 1 nor 2 are true
What material symbol is frequently used in draw-»
ings to represent all metals?
Steel
Cast iron
Aluminum
What is used to indicate that a surface must be machine finished?
Text
Leader lines
Finished lines
Which material section-line symbol indicates cast iron?
1
2
3
What is the dimension of the chamfer?
1/16 x 37
0.3125 + .005 - 0
0.0625 x 45
What is the maximum diameter of the hole for the clevis pin?
0.3175
0.3130
0.31255
What would be the minimum diameter of 4130 round stock required for the construction of the clevis that would produce a machined surface?
55/64 inch
1 inch
7/8 inch
Using the information, what size drill would be required to dril the clevis bolthole?
5/6 inch
21/64 inch
1/2 inch
The measurements showing the ideal or "Perfect” sizes of parts on drawings are called
Allowances
Dimensions
Tolerances
Identify the extension line.
3
1
4
The diameter of the holes in the finished object is..
3/4 inch
31/64 inch
1/2 inch
Zone numbers on aircraft blueprints are used to
Locate parts, sections, and views on large drawing
Indicate different sections of the aircraft
Locate parts in the aircraft
Which of the following terms is/are used to indi- 8132. When reading a blueprint, a dimer cate specific measured distances from the datum and/or 4.387 inches +.005 -002. Which stateme other points identified by the manufacturer, to points in or on the aircraft?
1. Zone numbers
2. Reference numbers
3. Station numbers
1 and 3
3
2
In order to locate wing and stabilizer frames, what numbering system is used?
Station numbers
Dimensions numbers
Scale numbers
One purpose for schematic diagrams is to show the:
Functional location of components within a system
Physical location of components within a system
Size and shape of components within a system
When reading a blueprint, a dimension is given as 4.387 inches +.005 - 002. Which statement is true?
The maximum acceptable size is 4.390 inches
The minimum acceptable size is 4.385 inches
The minimum acceptable size is 4.382 inches
What is the allowable manufacturing tolerance for a bushing where the outside dimensions shown on the blueprint are:
1.0625 +.0025 - 0003?
.0028
1.0650
1.0647
A hydraulic system schematic drawing typically indicates the:
specific location of the individual components
within the aircraft
direction of fluid flow through the system.
amount of pressure in the pressure and return lines, and in system components.
The vertical distance between the top of the plate and bottom of the lowest 15/64 inch hole is:
2.250
2.242
2.367
1) A measurement should not be scaled from go aircraft print because the paper shrinks or stretched when the print is made.
2) When a detail drawing is made, it is carefully and accurately drawn to scale, and is dimensioned.
Only 2 is true
Both 1 and 2 are true
Neither 1 nor 2 are true
The drawings often used in illustrated parts manuals are:
Exploded-view drawings
Block drawings
Detail drawing
A drawing in which the subassemblies or parts are shown as brought together on the aircraft is called:
An assembly drawing
A detail drawing
An installation drawing
What type of diagram shows the wire size required for a particular installation?
A block diagram
A schematic diagram
A wiring diagram
In what type of electrical diagram are images of components used instead of conventional electrical symbols?
A pictorial diagram
A schematic diagram
A block diagram
Schematic diagram are the best suited for which of the following?
Showing the visual details of individual components in a system
Showing the overall location and appearance of components in a system
Troubleshooting system malfunction
In the reading of aircraft blueprints, the term "tolerance" used in association with aircraft parts or components,
is the tightest permissible fit for proper construction
and operation of mating parts.
is the difference between extreme permissible dimensions that a part may have and still be acceptable.
represents the limit of galvanic compatibility between different adjoining material types in aircraft parts
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?
217
205
225
An aircraft reciprocating engine has a 2,800 cubic-inch displacement, develops 2,000 brake-horsepower, and indicates 270, brake mean effective pressure. What is the engine speed (RPM)?
2200
2100
2300
An aircraft reciprocating engine has a 2,800 cubic-inch displacement and develOpS 2.000 brake-horsepower at 2,200 RPM. What is the, brake mean effective pressure?
257.5
242.5
275.0
Determine the cable size of a
40-foot length of single cable in free air, with a continuous rating, running from a bus to the equipment in a 28-volt system with a 15-ampere load and a 1-volt drop.
No. 8
No. 11
No. 10
Determine the maximum length of a No. 16 cable to be installed from a bus to the equipment in a 28-volt system with a 25-ampere intermittent load and a 1-volt drop.
8 feet
10 feet
12 feet
Determine the minimum wire size of a single cable in a bundle carrying a continuous current of 20 amperes 10 feet from the bus to the equipment in a 28-volt system with an allowable 1-volt drop.
No. 12
No. 14
No. 16
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 load in free air with a maximum acceptable 1-volt drop.
22.5 feet
26.5 feet
12.5 fee
Determine the proper tension for a 1/8-inch cable (7 × 19) if the temperature is 80°F.
70 pounds
75 pounds
80 pounds
Determine the proper tension for a 3/16-inch cable (7 × 19 extra flex) if the temperature is 87°F.
135 pounds
125 pounds
140 pounds
Determine how much fuel would be required for a 30-minute reserve operating at 2,300 RPM.
25.3 pounds
35.5 pounds
49.8 pounds
Determine the fuel consumption with the engine operating at cruise, 2,350 RPM.
49.2 pound per hour
51.2 pound per hour
55.3 pound per hour
