CPL POF Day 1

Which of these is a SI unit for length?

• Feet

• Nautical Miles

• Meters

• Fathoms

What unit is altitude measured in, in aviation?

• Meters

• Feet

• Nautical Miles

• Centimeters

Which of these is the correct definition for speed?

• Change in velocity / Time taken

• Distance travelled / Time taken

• Distance travelled in a given direction / time taken

• Force x Distance

If the air temperature increases, what will happen to air density?

• Increases

• Decreases

• Remains the same

Which fluid has the highest viscosity?

• Honey

• Air

• Water

• Fuel

Define 'Chord', with relation to an aerofoil.

• The part of the wing which leads the aerofoil into the airflow

• The part of the wing which is last to enter a parcel of air

• The depth of the aerofoil, measured at the point of max thickness

• The distance between the leading and trailing edge of the aerofoil

Which of these factors does not effect lift?

• Weight

• Angle of attack

• Camber

• Indicated Airspeed

When the speed of an airflow is increased, static pressure will...

• Increase

• Decrease

• Remain constant

Skin friction drag is caused by..

• A rough surface

• Flow serparation

• The viscosity of air

• The turbulent boundary layer

The ISA temperature lapse rate is...

• 2 degrees per 1000ft

• 1.89 degrees per 1000ft

• 1.99 degrees per 1000ft

• 1.98 degrees per 1000ft