WASSCE style · Study mode
Question 1 of 50
Which force acts opposite to thrust on an aircraft in flight?
Question 2 of 50
Which force acts opposite to lift?
Question 3 of 50
The cross-sectional shape of a wing designed to produce lift is an
Question 4 of 50
The main body of an aircraft that carries the crew, passengers and cargo is the
Question 5 of 50
The instrument that shows an aircraft's height is the
Question 6 of 50
The flight data recorder and cockpit voice recorder are commonly called
Question 7 of 50
In straight and level flight at constant speed,
Question 8 of 50
An aircraft has a mass of 50,000 kg. What is its weight?
Question 9 of 50
Bernoulli's principle states that as the speed of a moving fluid increases, its pressure
Question 10 of 50
The angle between the wing's chord line and the oncoming airflow is the
Question 11 of 50
Flaps are lowered during take-off and landing to
Question 12 of 50
Ailerons control an aircraft's
Question 13 of 50
The elevator controls an aircraft's
Question 14 of 50
The rudder controls an aircraft's
Question 15 of 50
A pitot tube is used to measure
Question 16 of 50
An aircraft weighs 20,000 N and has a wing area of 40 m². What is its wing loading?
Question 17 of 50
A wing stalls when
Question 18 of 50
Yaw is rotation of an aircraft about its
Question 19 of 50
In what order does air pass through a jet engine?
Question 20 of 50
A rocket can work in space, where there is no air, because
Question 21 of 50
GhanaSat-1, Ghana's first satellite, was built by students of
Question 22 of 50
In the lower atmosphere, the standard temperature lapse rate is about
Question 23 of 50
If an aircraft's airspeed doubles while everything else stays the same, its lift becomes
Question 24 of 50
Drag caused by the production of lift, linked to wingtip vortices, is
Question 25 of 50
Loading an aircraft so that its centre of gravity is too far aft can make it
Question 26 of 50
A jet engine takes in air at 200 m/s and expels it at 600 m/s, with a mass flow of 50 kg/s. What thrust does it produce?
Question 27 of 50
A rocket expels gas at 2,500 m/s at a rate of 100 kg/s. What thrust does it produce?
Question 28 of 50
A structure in which the outer skin carries most of the loads is a
Question 29 of 50
The upward angle of the wings from root to tip (dihedral) improves
Question 30 of 50
For an aircraft to climb steadily, which must be true?
Question 31 of 50
Slats on the leading edge of a wing help by
Question 32 of 50
Small hinged tabs on control surfaces that reduce the force the pilot needs are
Question 33 of 50
A turbofan engine produces most of its thrust from
Question 34 of 50
The speed needed to escape the earth's gravity is about
Question 35 of 50
The turn coordinator shows the
Question 36 of 50
A wing has span 30 m and mean chord 3 m. Its aspect ratio is
Question 37 of 50
Air density at high altitude is lower, so jet engine thrust
Question 38 of 50
The International Space Station orbits at about 400 km. Its orbital period is about
Question 39 of 50
The lift-to-drag ratio of a glider is 30. From 1,000 m it can glide about
Question 40 of 50
In a level turn, the load factor at a 60° bank angle is
Question 41 of 50
If an aircraft's speed doubles while other factors stay constant, its lift
Question 42 of 50
Wing loading is
Question 43 of 50
The difference between indicated and true airspeed increases with altitude because
Question 44 of 50
Specific fuel consumption measures
Question 45 of 50
Kepler's third law relates a planet's orbital period to its
Question 46 of 50
At 3,000 m in the International Standard Atmosphere, the temperature is about
Question 47 of 50
The speed needed for a low earth orbit is about
Question 48 of 50
Induced drag is greatest at
Question 49 of 50
Total drag is minimum at the speed where
Question 50 of 50
A jet engine accelerates 50 kg/s of air from 200 m/s to 600 m/s. The thrust is
Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.