PPL Aeronautical Knowledge 3

Question 1

What does a red arc on an airspeed indicator represent?

Accepted Answer

Never-exceed speed (VNE)

Answer

Normal operating range

Answer

Flap operating range

Answer

Caution range

Question 2

The white arc on the airspeed indicator represents the:

Accepted Answer

Flap operating range

Answer

Normal operating range

Answer

Caution range

Answer

Never-exceed range

Question 3

Which instrument operates on the pitot-static system alone?

Accepted Answer

Airspeed indicator

Answer

Attitude indicator

Answer

Heading indicator

Answer

Turn coordinator

Question 4

If the pitot tube becomes blocked but the static port remains clear, the airspeed indicator will:

Accepted Answer

Act like an altimeter during climbs and descents

Answer

Read zero

Answer

Read correctly

Answer

Freeze at current value only in level flight

Question 5

The attitude indicator, heading indicator, and turn coordinator most commonly rely on:

Accepted Answer

Gyroscopic principles

Answer

Pitot pressure

Answer

Static pressure

Answer

Magnetic fields

Question 6

During which condition does the magnetic compass read most accurately?

Accepted Answer

In straight-and-level, unaccelerated flight

Answer

During acceleration on an easterly heading

Answer

During a turn

Answer

During a climb on a northerly heading

Question 7

What error occurs when accelerating on an east or west heading (in the Northern Hemisphere)?

Accepted Answer

The compass shows a turn to the north

Answer

The compass shows a turn to the south

Answer

The compass lags behind

Answer

No error occurs