Airframe Aircraft Position And Warning System

35問 • 1年前

問題一覧

Which of the following are some uses for a DC-selsyn system? 1. Indicates position of retractable landing gear. 2. Indicates the angle of incidence of an aircraft. 3. Indicates the altitude of an aircraft. 4. Indicates cowl flaps or oil cooler door position. 5. Indicates fuel quantity. 6. Indicates the rate of climb of an aircraft. 7. Indicates position of wing flaps.

1,4,5,7

Which repair would require a landing gear retraction test?

Gear downlock microswitch.

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

Landing gear not locked down and throttle retarded.

The basic difference between an autosyn and a magnesyn indicating system is the

rotor.

An antiskid system is

An electrohydraulic system

Which of the following functions does a skid control system perform? 1. Normal skid control. 2. Normal braking. 3. Fail safe protection. 4. Locked wheel skid control. 5. Touchdown protection. 6. Takeoff protection.

1, 3, 4, 5

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

Closing the nose, left and right wheel gear full retract switches.

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

Antiskid system.

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

Red light for unsafe gear, green light for gear down, no light for gear up.

an antiskid system, wheel skid is detected by

an electrical sensor.

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

Elevators, speed brake, flaps, and stabilizer trim.

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

is not parallel to the true angle of attack of the aircraft.

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

relieves the hydraulic pressure on the brake.

Antiskid braking systems are generally armed by

a switch in the cockpit.

Microswitches are used primarily as limit switches to

control electrical units automatically.

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

sequence valves.

(Refer to Figure 19.) What is the indication of the red landing gear position light under the following conditions? Aircraft on jacks. Landing gear in transit. Warning horn sounding.

Extinguished

Where is the landing gear safety switch usually located?

On the main gear shock strut.

The rotor in an autosyn remote indicating system uses

an electromagnet.

The purpose of antiskid generators is to

measure wheel rotational speed and any speed changes.

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

Any gear not down and locked, and one throttle retarded.

(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,

both No. 1 and No. 2 are true.

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

is imminent.

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

When wheel rotation deceleration indicates an impending skid.

The rotor in a magnesyn remote indicating system uses

a permanent magnet.

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

negative air pressure.

(1) An airspeed indicator measures the differential between pitot and static air pressures surrounding the aircraft at any moment of flight. (2) An airspeed indicator measures the differential between pitot and cabin air pressures at any moment of flight. Regarding the above statements,

only No. 1 is true.

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

a thrust lever.

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

Ground safety switch.

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

A horn or other aural device and a red warning light.

(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,

both No. 1 and No. 2 are true.

(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,

both No. 1 and No. 2 are true.

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

squat switch is open.

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

Replace electrical wire No. 12.

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

trim position.

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問題一覧

1,4,5,7

Which repair would require a landing gear retraction test?

Gear downlock microswitch.

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

Landing gear not locked down and throttle retarded.

The basic difference between an autosyn and a magnesyn indicating system is the

rotor.

An antiskid system is

An electrohydraulic system

1, 3, 4, 5

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

Closing the nose, left and right wheel gear full retract switches.

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

Antiskid system.

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

Red light for unsafe gear, green light for gear down, no light for gear up.

an antiskid system, wheel skid is detected by

an electrical sensor.

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

Elevators, speed brake, flaps, and stabilizer trim.

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

is not parallel to the true angle of attack of the aircraft.

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

relieves the hydraulic pressure on the brake.

Antiskid braking systems are generally armed by

a switch in the cockpit.

Microswitches are used primarily as limit switches to

control electrical units automatically.

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

sequence valves.

(Refer to Figure 19.) What is the indication of the red landing gear position light under the following conditions? Aircraft on jacks. Landing gear in transit. Warning horn sounding.

Extinguished

Where is the landing gear safety switch usually located?

On the main gear shock strut.

The rotor in an autosyn remote indicating system uses

an electromagnet.

The purpose of antiskid generators is to

measure wheel rotational speed and any speed changes.

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

Any gear not down and locked, and one throttle retarded.

both No. 1 and No. 2 are true.

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

is imminent.

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

When wheel rotation deceleration indicates an impending skid.

The rotor in a magnesyn remote indicating system uses

a permanent magnet.

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

negative air pressure.

only No. 1 is true.

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

a thrust lever.

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

Ground safety switch.

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

A horn or other aural device and a red warning light.

both No. 1 and No. 2 are true.

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

squat switch is open.

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

Replace electrical wire No. 12.

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

trim position.