Aircraft Drawings

Question 1

What type of line is normally used in a drawing or blueprint that indicates invisible edges or contours?

Answer 1

Medium-weight short dashes evenly spaced

Question 2

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

Answer 2

Both No.1 and No.2 are true

Question 3

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

Answer 3

station number

Question 4

Which statement is true regarding an orthographic projection?

Answer 4

One-view, two-view and three-view drawings are most common

Question 5

A line used to show an edge which is not visible is a

Answer 5

hidden line

Question 6

What type of drawing line consists of alternating long and short dashes?

Answer 6

Centre

Question 7

2. Schematic diagrams indicate the location of components with respect to each other within the system

Answer 7

Only No.2 is true

Question 8

Which statement is applicable when using a sketch for making a part?

Answer 8

The sketch must show all information to manufacture the part

Question 9

For sketching purposes, almost all objects are composed of one or some combination of six basic shapes; these include

Answer 9

triangle, circle, cube, cylinder, cone and sphere

Question 10

In a sectional vie drawing, what sections illustrate particular parts of an object?

Answer 10

Removed

Question 11

What should be the first step of the procedure in sketching an aircraft wing skin repair?

Answer 11

Block in the views

Question 12

A simple way to find the centre of a circle on a sketch or drawing, or a circular piece of material is to

Answer 12

draw two non-parallel chord lines across the circle and then their corresponding perpendicular bisector lines

Question 13

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

Answer 13

Only No.2 is true

Question 14

Working drawings may be divided into three classes. These are:

Answer 14

detail drawings, assembly drawings and installation drawings

Question 15

What is the class of working drawing that is the description/depiction of a single part?

Answer 15

Detail drawing

Question 16

Sketches are usually made easier by the use of

Answer 16

graph paper

Question 17

What material symbol is frequently used in drawings to represent all metals?

Answer 17

Cast iron

Question 18

What is used to indicate that a surface must be machined finished?

Answer 18

Finished marks

Question 19

Zone numbers on aircraft blueprints are used to

Answer 19

locate parts, sections and views on large drawings

Question 20

Which of the following terms is/used to indicate specific measured distances from the datum and/or other points identified by the manufacture, to points in or on the aircraft?
3. Station Numbers

Answer 20

3. Station numbers

Question 21

In order to locate wing and stabilizer frames, what numbering system is used?

Answer 21

Station numbers

Question 22

One purpose for schematic diagrams is to show the

Answer 22

functional location of components within a system

Question 23

When reading a blueprint, a dimension is given as 4.387 inches +.005, -.002. Which statement is true?

Answer 23

The minimum acceptable size is 4.385 inches

Question 24

When reading a blueprint, a dimension is given as 4.387 inches +.003, -.002. Which statement is true?

Answer 24

The maximum acceptable size is 4.390 inches

Question 25

What is the allowable manufacturing tolerance for a blushing where the outside dimension shown on the blueprints are:
1.0625 + 0025, -.0003

Answer 25

.0028

Question 26

A hydraulic system schematic drawing typically indicates the

Answer 26

direction of fluid flow through the system

Question 27

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 is dimensioned,

Answer 27

Both No.1 and No.2 are true

Question 28

The drawings often used in illustrated parts manual are

Answer 28

exploded view drawings

Question 29

A drawing in which the subassemblies or parts are shown as brought together on the aircraft is called

Answer 29

an installation drawing

Question 30

What type of diagram show the wire size required for a particular installation

Answer 30

A wiring diagram

Question 31

In what type of electrical diagram are images of components used instead of conventional electrical symbols?

Answer 31

A pictorial diagram

Question 32

Schematic diagrams are best suited for which of the following?

Answer 32

Troubleshooting system malfunctions

Question 33

In the reading of aircraft blueprints, the term ‘tolerance’ used in association with aircraft parts or components

Answer 33

is the difference between extreme permissible dimensions that a part may have and still be acceptable