PPL Aeronautical Knowledge

Question 1

What is the primary purpose of flaps on an aircraft?

Accepted Answer

To increase lift and drag during takeoff and landing

Answer

To increase the structural strength of the wings

Answer

To decrease the lift coefficient during cruise

Answer

To reduce engine power required for level flight

Question 2

How does high density altitude affect aircraft performance?

Accepted Answer

It reduces engine power, thrust, and lift production.

Answer

It decreases takeoff distance and increases climb rate.

Answer

It increases the efficiency of the propeller and engine.

Answer

It has no effect on aircraft performance.

Question 3

What is the purpose of the pitot tube?

Accepted Answer

To measure airspeed

Answer

To measure altitude

Answer

To provide static pressure for the altimeter

Answer

To supply pressure to the cabin

Question 4

Which of the following is a requirement for Class D airspace?

Accepted Answer

Two-way radio communication with ATC

Answer

Mode C transponder only

Answer

Prior authorization from ATC

Answer

ADS-B Out equipment

Question 5

What is the standard atmospheric pressure at sea level?

Accepted Answer

29.92 inches of mercury (inHg)

Answer

101.3 inches of mercury (inHg)

Answer

14.7 inches of mercury (inHg)

Answer

1200 millibars (mb)