Aircraft Design

Question 1

What are the five major stresses to which all aircraft are subjected?

Answer 1

Tension, Compression, Torsion, Shear, and Bending

Question 2

What type of stress is created when an object is twisted in opposite directions from each end?

Answer 2

Torsion

Question 3

The three types of fuselage construction:

Answer 3

Truss Type, Monocoque, Semi-Monocoque

Question 4

Numbered in inches from a reference or zero point known as a datum, these are used to locate specific places on an aircraft along a line parallel to the longitudinal axis.

Answer 4

Fuselage Stations

Question 5

The two types of wing design for modern aircraft:

Answer 5

Cantilever, Semi-Cantilever

Question 6

This type of wing requires no external bracing:

Answer 6

Cantilever

Question 7

The primary load carrying member that runs parallel to the lateral axis in each wing of an aircraft:

Answer 7

Wing Spar

Question 8

Wing ribs that are considered a part of the primary structure of the wing:

Answer 8

Compression Ribs

Question 9

Wing ribs that are not considered a part of the primary structure of the wing:

Answer 9

Former Ribs

Question 10

Nacelles or pods are streamlined enclosures used on multi-engine aircraft primarily to house ___ and ___ .

Answer 10

Engines and Landing Gear

Question 11

These are detachable, permanently formed skins designed to fit over an engine to streamline airflow and aid in cooling the engine:

Answer 11

Cowlings

Question 12

The name for the tail section of an airplane:

Answer 12

Empennage

Question 13

The type of aircraft construction where all of the stress is carried in the strength of the skin:

Answer 13

Monocoque

Question 14

The type of construction where all of the stress is carried in a rigid framework:

Answer 14

Truss-Type

Question 15

The type of construction where all of the stress is carried in some combination of the skin and frame:

Answer 15

Semi-Monocoque