Module 4 Stability and Control

Question 1

Roll movement which axis?

Answer 1

Longitudinal Axis

Question 2

Pitch movement which axis?

Answer 2

Lateral Axis

Question 3

Yaw movement which axis ?

Answer 3

Vertical Axis

Question 4

Lateral stability is stable in ?

Answer 4

Roll (longitudinal axis)

Question 5

Longitudinal stability is stable in?

Answer 5

pitch ( lateral axis )

Question 6

Directional stability is stable in?

Answer 6

yaw (vertical axis)

Question 7

Movement around the longitudinal Axis is called ?

Answer 7

Roll

Question 8

Movement around the vertical axis is called?

Answer 8

Yaw

Question 9

Movement around the lateral axis is called?

Answer 9

Pitch

Question 10

Primary Flight control for longitudinal axis movements is called ?

Answer 10

Ailerons

Question 11

Primary flight control for lateral axis movements is called?

Answer 11

Elevators

Question 12

Primary flight control for vertical axis Movement is called?

Answer 12

Rudder

Question 13

Longitudinal movement the stability is provide by ?

Answer 13

Wings

Question 14

Lateral movements the stability is provide by ?

Answer 14

Horizontal stabilizer

Question 15

Vertical movements the stability is provide by ?

Answer 15

Vertical stabilizer

Question 16

The stability about the Longitudinal axis is called

Answer 16

Lateral

Question 17

The stability about Lateral axis is called

Answer 17

Longitudinal

Question 18

the stability about the vertical axis is called

Answer 18

Directional

Question 19

What are the two types of stability

Answer 19

Static stability

Dynamic stability

Question 20

What is static stability?

Answer 20

Is the initial tendency that the A/C displays after its equilibrium is disrupted

Question 21

Types of static stability?

Answer 21

Positive, neutral and negative

Question 22

What is Adverse yaw ?

Answer 22

created during a roll induced turn, increase drag on the outside wing

Question 23

Ways to control the yaw?

Answer 23

–Aileron/rudder interconnect
–Frise ailerons
–Differential ailerons
–Roll spoiler

Question 24

What is dutch roll?

Answer 24

Aircraft tends to wander about the roll and the yaw axes at the same time

Question 25

Types of Canards

Answer 25

Control and Lifting

Question 26

What is Dynamic stability

Answer 26

Describes the tendency of oscillate after its equilibrium is disrupted

Question 27

Tail design helps with?

Answer 27

Directional stability = vertical stabilizer and rudder

Question 28

Stability does not refer to the axis of the aircraft but rather the ?

Answer 28

Behaviour