Lights Flashcards

1
Q

Approximately how many minutes should you leave a strobe system in the off position prior to maintenance?

A

5 Minutes

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2
Q

What types of bulbs are sensitive to oil or grease?

A

Halogen and Strobe Light Bulbs

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3
Q

What are the two basic styles of Anti-Collision Light?

A

Rotating beacons and Solid State Strobe Light.

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4
Q

What filament type is used in a strobe light system and what voltage does it require?

A

Xenon and 400 Volts.

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5
Q

How does a strobe light power supply create 400 volts?

A

By using a capacitor charging system.

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6
Q

Is there any order to how the strobe lights flash?

A

They are coordinated using a synchronisation connection between the power supply units.

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7
Q

What is an Incandescent Light?

A

They use a small coil of wire (filament) that glows white when a current flows through it.

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8
Q

How does an Electro Luminescent Light work?

A

The EL panel contains a fluorescent paste sandwiched between two layers of plastic. This paste glows when an AC voltage is applied to the panel.

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9
Q

How do fluorescent Light work?

A

A gas filled tube that glows when a high AC voltage is applied to heated electrodes at each end, the electrodes emit electrons.

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10
Q

What is the advantage of fluorescent lamps over incandescent lamps?

A

They are more efficient but they require the use of ballast transformers and AC voltage.

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11
Q

How long is the Emergency Lighting power for electrical batteries made to last?

A

15 Minutes

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12
Q

Other than the batteries what else can power the emergency lights?

A

LH or RH emergency bus

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13
Q

How is the Floor Proximity Escape Path Lighting provided with power?

A

Using the same battery power supply units supplies for the emergency lights. Static inverters supply 115v 400Hz to the system.

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14
Q

What is an advantage of Electro Luminescence strips?

A

It eliminates the need for bulbs, sockets, diffusers so with nothing to break can withstand extreme shock, vibration and high or low temps.

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