NAVY AM MOD 3 UPDATED EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) PLUS RATIONALES 2026 Q&A INSTANT DOWNLOAD PDF.

NAVY AM MOD 3 UPDATED EXAM QUESTIONS
AND CORRECT ANSWERS (VERIFIED ANSWERS)
PLUS RATIONALES 2026 Q&A INSTANT
DOWNLOAD PDF.




SECTION 1: AIRCRAFT DRAWINGS AND BLUEPRINT READING

1. What type of line is used to indicate the alternate position of parts in an aircraft
drawing?

 A. Visible line
 B. Hidden line
 C. Phantom line
 D. Center line

Correct Answer: C
Rationale: A phantom line is a medium series of one long dash and two short
dashes. It indicates the alternate position of parts or the movement of a
component .




2. Which line is a thin unbroken line used to indicate the outer edges of an object?

, A. Phantom line
 B. Center line
 C. Visible line
 D. Extension line

Correct Answer: C
Rationale: Visible lines are heavy unbroken lines that indicate the outer edges
of an object .




3. What type of line is used to indicate concealed edges in an aircraft drawing?

 A. Visible line
 B. Hidden line
 C. Leader line
 D. Dimension line

Correct Answer: B
Rationale: Hidden lines are medium lines with short, evenly spaced dashes
used to indicate concealed or hidden edges .




4. Which line is a thin line made up of alternating long and short dashes used to
indicate symmetry?

 A. Center line
 B. Hidden line
 C. Phantom line
 D. Cutting plane line

, Correct Answer: A
Rationale: Center lines are thin lines made up of alternating long and short
dashes that indicate symmetry .




5. What is an auxiliary view used for in aircraft drawings?

 A. To show alternate positions
 B. To show the true shape and length of an inclined surface
 C. To show the relation of parts within a system
 D. To reduce the size of the drawing

Correct Answer: B
Rationale: An auxiliary view shows the true shape and length of an inclined
surface or other special features .




6. How many views typically make up an orthographic drawing?

 A. One
 B. Two or more
 C. Three only
 D. Four only

Correct Answer: B
Rationale: An orthographic drawing consists of two or more views, each
showing a complete picture of the object from that point of view .

, 7. What does a phantom view show?

 A. The exact dimensions of a part
 B. The alternate position of parts
 C. The internal features of a part
 D. The assembly sequence of parts

Correct Answer: B
Rationale: A phantom view shows the alternate position of parts .




8. What is an exploded view used to show?

 A. The true shape of an inclined surface
 B. The relative location of parts
 C. The internal features of a part
 D. The alternate position of parts

Correct Answer: B
Rationale: An exploded view shows the relative location of parts .




9. What does a schematic diagram show?

 A. The alternate position of parts
 B. The true shape of an inclined surface
 C. The relation of parts within a system
 D. The location of structural components