AF Position and Warning Systems

An antiskid system is designed to

In a brake antiskid system, when an approaching skid is sensed, an electrical signal is sent to the skid control valve which

An antiskid system is

Antiskid braking systems are generally armed by

A typical takeoff warning indication system, in addition to throttle setting, monitors the position of which of the following?

The primary purpose of a takeoff warning system is to alert the crew that a monitored flight control is not properly set prior to takeoff. The system is activated by

An airspeed indicator measures the differential between

The angle-of-attack detector operates from differential pressure when the airstream

(1) When an airplane is slowed below approximately 20 mph, the antiskid system automatically deactivates to give the pilot full control of the brakes for maneuvering and parking.

(2) An antiskid system consists basically of three components, wheel speed sensors, control box, and control valves.

Regarding the above statements,

In an antiskid system, wheel skid is detected by

Which of the following functions does a skid control system perform?

In the air with the antiskid armed, current cannot flow to the antiskid control box because landing gear

At what point in the landing operation does normal skid control perform its function?

(1) An antiskid system is designed to apply enough force to operate just below the skid point.

(2) A warning lamp lights in the cockpit when the antiskid system is turned off or if there is a system failure.

Regarding the above statements,

When an airplane’s primary flight control surfaces are set for a particular phase of flight, such as landing or takeoff, the corresponding control-surface indicating system will show

The pneumatic (need) type stall warning system installed in some light aircraft is activated by

Staff warning systems are generally designed to begin warning the pilot when a stall

Refer to Figure 19. What is the indication of the red landing gear position right under the following conditions?

Aircraft on jacks.
Landing gear in transit.
Warning horn sounding.

Refer to Figure 19. Which repair should be made if the gear switch was placed in UP position and the gear does not retract?

Which of the following conditions is most likely to cause the landing gear warning signal to sound?

Refer to Figure 20. What will illuminate the amber warning indicator light?

Refer to Figure 20. What is the minimum circumstance that will cause the landing gear warning horn to indicate an unsafe condition?

‘Where is the landing gear safety switch usually located?

What safety device is actuated by the compression and extension of a landing gear strut?

Which repair would require a landing gear retraction test?

Landing gear warning systems usually provide which of the following indications?

In most modern hydraulically actuated landing gear systems, the order of gear and fairing door operation is controlled by

What landing gear warning device(s) is/are incorporated on retractable landing gear aircraft?

When a landing gear safety switch on a main gear strut closes at liftoff, which system is deactivated?

The rotor in an Autosyn remote indicating system uses

The basic difference between an Autosyn and a Magnesyn indicating system is the

The rotor in a Magnesyn remote indicating system uses

Microswitches are used primarily as limit switches to

Which of the following are some uses for a DC Selsyn system?

(1) A DC Selsyn system is a widely used electrical method of indicating a remote mechanical movement or position.

(2) A synchro-type indicating system is an electrical system used for transmitting information from one point to another.

Regarding the above statements,