Cabin Window Lighting Circuit Quiz

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What type of lighting is used to illuminate passenger advisory signs according to the text?

Neon lighting

Fluorescent lighting

Incandescent lighting (correct)

LED lighting

How are the passenger advisory sign letterings made visible to passengers?

Through electroluminescent lighting

By direct sunlight reflection

By cutting out the lettering from an opaque cover (correct)

Through neon lighting effects

Under what circumstances do some aircraft have automatic control of passenger advisory signs?

During takeoff

In case of cabin decompression (correct)

When passengers are boarding

During turbulence

What triggers the illumination of passenger advisory signs according to the text?

Landing gear lever in the down position Signup and view all the answers

What happens when any of the passenger advisory signs (except the lavatory occupied) are illuminated?

An audio tone sounds over the PA system Signup and view all the answers

How are passenger advisory signs controlled on aircraft?

By flight crew switches on the flight deck Signup and view all the answers

What happens when the runway turnoff switches are in the on position?

28-V AC goes to the lights Signup and view all the answers

What occurs when the nose gear taxi light switch is in the dim position and the nose gear is down and locked?

The nose gear taxi light produces a dim light Signup and view all the answers

In what position does the nose gear light produce a bright light?

Bright position Signup and view all the answers

When the nose gear taxi light switch is in the dim position and the nose gear is down and locked, what voltage goes across the transformer?

115-V AC Signup and view all the answers

What happens when the runway turnoff switches are off?

28-V AC goes to the lights Signup and view all the answers

Which switch controls the nose gear taxi light?

The nose gear taxi light switch Signup and view all the answers

What components are involved in the lavatory occupied-vacant sign circuit?

Circuit-breaker, switch, lights, and micro switch Signup and view all the answers

How is the lavatory occupied sign illuminated?

When the passenger locks the door Signup and view all the answers

What function does the plunger serve in the lavatory lighting circuit?

Strikes against the micro switch in the door jamb Signup and view all the answers

Where might you find a master switch for passenger reading lights?

On the flight attendant panel Signup and view all the answers

How are some aircraft reading lights controlled?

Through electronic modules under the seats Signup and view all the answers

What triggers the illumination of lavatory interior lighting?

Plunger striking against micro switch in door jamb Signup and view all the answers

What is the purpose of post/pillar lights in an aircraft?

To provide additional lighting when there is insufficient light from other sources Signup and view all the answers

How are post/pillar lights adjusted to ensure proper illumination?

By turning the hood through 360 degrees Signup and view all the answers

What material is used to make trans-illuminated panels in aircraft?

Transparent plastic painted with translucent white and opaque black or grey Signup and view all the answers

How do trans-illuminated panels display inscriptions like 'pilot's panel lights'?

Light shines through engraved inscriptions Signup and view all the answers

Which component controls the dimming of trans-illuminated panels in the cockpit?

Dimmer unit controlled by switches Signup and view all the answers

Where do trans-illuminated panels find most common usage in an aircraft's cockpit?

To display system controls and switching Signup and view all the answers

What is the purpose of amber caution lights in an aircraft?

To indicate a system abnormality requiring corrective action by the flight crew Signup and view all the answers

How can amber caution lights be cancelled in an aircraft?

Pressing the master switch light Signup and view all the answers

What type of condition do red warning lights alert the crew to in an aircraft?

Unsafe conditions Signup and view all the answers

When are master warning lights activated in an aircraft?

When a warning condition occurs Signup and view all the answers

What is the main fault typically found in aircraft lighting systems?

Bulb failure Signup and view all the answers

Why is it important to check that all bulbs are working in a multi-bulb lighting system before further troubleshooting?

To eliminate simple bulb failures as potential issues Signup and view all the answers