021.07 ANTI-ICING AND DE-ICING SYSTEMS

Question 1

A pneumatic de-icing system should be operated when there is approximately (0.5/1.5/3/5) cm of ice on the leading edges.

Answer 1

A pneumatic de-icing system should be operated when there is approximately (1.5) cm of ice on the leading edges.

Question 2

Describe a Hot Rod Detector system.

Answer 2

A system that consists of a heated probe and a built-in floodlight which can be seen from inside the cockpit

Question 3

The Rosemount Ice Detector operates on the principle of (…)​.

Answer 3

The Rosemount Ice Detector operates on the principle of (vibration).

Question 4

Airborne fluid de-ice systems are mainly used on (pitot probes/wing leading edges/engine intakes/engine pylons).

Answer 4

Airborne fluid de-ice systems are mainly used on (wing leading edges)​.

Question 5

On IFR certified aircraft, the pitot tube (always/sometimes) heated, the static port is (always/sometimes) ​heated.

Answer 5

On IFR certified aircraft, the pitot tube (always) heated, the static port is (sometimes) heated.

Question 6

In a differential pressure ice accretion detector, the (small/large) holes are heated first.

Answer 6

In a differential pressure ice accretion detector, the (small) holes are heated first.