Quiz 2 Aircraft & Air Transport System (C3)

The downwards force of attraction between the aeroplane and the earth is called _______________

• Lift

• Weight

• Thrust

• Drag

The force produced by the wings which supports the aeroplane in flight is called the _________

• Lift

• Weight

• Thrust

• Drag

The force produced by the engine-propeller is called _______?

The force that resists the motion of the aeroplane through the air is called the ________

The lift force is generally much __________ than the drag force in flight

• greater

• smaller

In straight and level cruising flight the aeroplane is in equilibrium, with the weight balanced by the ________, and the drag balanced by _______.

• thrust, weight

• drag, thrust

• lift, thrust

• drag, weight

When the thrust is greater than drag, the plane will _________.

• speed up

• slow down

• ascending

• descending

When weight is greater than lift, the plane will _________

• speed up

• slow down

• Ascending

• Descending

The weight of an aeroplane can be considered as a single force acting through the _________________.

• Center of gravity

• Center of pressure

• Center of latitude

• Center of airflow

An aeroplane weighs 3000 lb and has a wing area of 200 square feet. What is its wing loading?

• 10 lb/sq.ft

• 15 lb/sq.ft

• 20 lb/sq.ft

• 25 lb/sq.ft