Aviation and Aerospace Engineering

Question 1

1The upward angle of the wings from root to tip (dihedral) improves

Medium

A. lateral (roll) stability B. braking C. fuel capacity D. engine power

Question 2

2An aircraft weighs 20,000 N and has a wing area of 40 m². What is its wing loading?

Medium

A. 0.002 N/m² B. 20,040 N/m² C. 800,000 N/m² D. 500 N/m²

Question 3

3Spoilers on a wing are used to

Easy

A. reduce lift and increase drag B. increase lift C. steer on the ground D. cool the engine

Question 4

4The first powered, controlled aeroplane flight was made in 1903 by

Easy

A. the Wright brothers B. Amelia Earhart C. Charles Lindbergh D. Neil Armstrong

Question 5

5A drone with four rotors is called a

Easy

A. fixed-wing UAV B. quadcopter C. helicopter with one rotor D. glider

Question 6

6A wing stalls when

Medium

A. the fuel tanks are full B. the angle of attack goes past the critical angle and the airflow separates C. the engine is switched off D. the aircraft lands

Question 7

7A jet engine works on the principle of

Easy

A. Ohm's law B. Archimedes' principle C. Newton's third law D. Hooke's law

Question 8

8For an aircraft to climb steadily, which must be true?

Medium

A. lift must be zero B. thrust must exceed drag enough to provide the extra energy to climb C. drag must exceed thrust D. weight must be zero

Question 9

9Cumulonimbus clouds are dangerous to aircraft because they produce

Easy

A. warm fog only B. calm air C. clear skies D. thunderstorms, turbulence and icing

Question 10

10Small hinged tabs on control surfaces that reduce the force the pilot needs are

Medium

A. winglets B. slats C. trim tabs D. spoilers

Question 11

11The main body of an aircraft that carries the crew, passengers and cargo is the

Easy

A. tailplane B. wing C. fuselage D. landing gear

Question 12

12Turboprop engines use a gas turbine to drive a

Easy

A. generator only B. rocket C. propeller D. wheel

Question 13

13The elevator controls an aircraft's

Easy

A. roll B. yaw C. pitch D. speed only

Question 14

14Ghana's first satellite, launched in 2017, was

Easy

A. Sputnik B. GhanaSat-1 C. NigeriaSat-1 D. Apollo

Question 15

15The force that pulls an aircraft towards the earth is

Easy

A. lift B. weight C. drag D. thrust

Question 16

16A rocket engine can work in space because it

Easy

A. uses wind B. uses air from the atmosphere C. has propellers D. carries its own oxidiser

Question 17

17The difference between indicated and true airspeed increases with altitude because

Hard

A. air density decreases B. the engines slow C. gravity weakens D. temperature rises

Question 18

18The control surfaces on the trailing edge of the wings that make the aircraft roll are the

Easy

A. flaps B. elevators C. ailerons D. rudder

Question 19

19Radar in aviation is used to

Easy

A. clean runways B. print tickets C. detect and track aircraft D. cook meals

Question 20

20The jet engine was developed in the 1930s–40s by Frank Whittle and

Medium

A. Isaac Newton B. Henry Ford C. Hans von Ohain D. Thomas Edison