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M11 > 11.14 lights > Flashcards

11.14 lights Flashcards

1
Q

what is luminous intensity measured in

A

candles or candela

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2
Q

what is luminous intensity

A

intensity in a given direction

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3
Q

what is luminous flux

A

amount of light radiated by a light source per second

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4
Q

what does incadescence refer to

A

emissions of visible radiation by a hot body

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5
Q

what 3 voltages are the aircraft lamps used

A

5v, 12v, 28v

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6
Q

why must halogen bulbs not be touched by the hand

A

they can get extremely hot and stuff from the hand can bake onto the glass and damage its life

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7
Q

what does LED stand for

A

light emitting diode

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8
Q

what are the advantages of LEDs

A

reduced mass, reduced power consumption, longer life span, resilient to knocks/vibration

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9
Q

whats the disadvantage of LEDs

A

operating temps greater than 80 degrees celcius

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10
Q

what 2 main categories can lighting on aircraft be broken down into

A

external, internal

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11
Q

where is the external red light visible from

A

directly ahead 110 degrees to the left side

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12
Q

where is the external green light visible from

A

directly ahead 110 degrees to the right

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13
Q

where is the external white light visible from

A

directly to the rear 70 degrees to the left and right

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14
Q

what side is the red light

A

left

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15
Q

what side is the green light

A

right

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16
Q

where is the white light

A

tail

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17
Q

where are anti collision lights usually located

A

upper/lower fuselage and wing tips

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18
Q

what are the 2 types of anti collision beacon

A

rotating beam, flashing lights

19
Q

what do that anti collision lights do

A

mark the aircrafts position

20
Q

what are the positions of the landing lights

A

wing leading edges, undercarriage/legs, flap track fairings

21
Q

when do the landing gear lights turn on

A

when the gears are fully down

22
Q

where are lights located to see ice

A

leading edge, engine intake lip

23
Q

whats the reason for logo lights

A

ATC can identify aircraft, promote airline

24
Q

whats the main function of emergency cabin lighting

A

show the route to exits

25
Q

what is standby cabin lighting

A

in electrical power failure, illumination lighting will show

26
Q

light in the cockpit must be installed so that

A

direct rays are shielded from the pilots, no reflections onto the pilots

27
Q

what type of lights provide background light in the cockpit

A

dome lights

28
Q

what are the different types of instrument lighting

A

integral, wedge, pillar, bridge, trans-illuminated panels, glare shields, floodlighting

29
Q

whats the function of a glare shield

A

stop natural light blurring out instruments

30
Q

what is a wedge light

A

two wedged pieces that cover an instrument

31
Q

what are trans illuminated panels

A

bonded layers of acrylic plastic

32
Q

what is floodlighting usually used for

A

general illumination of instruments

33
Q

what are the 2 types of cockpit warning system

A

central warning system, crew alerting system

34
Q

what colour is ALERT in the cockpit

A

red

35
Q

what colour it CAUTION in the cockpit

A

yellow

36
Q

what colour is ADVISORY in the cockpit

A

white, blue and green

37
Q

the master switch to test all lighting has what 3 options

A

test, bright, dim

38
Q

what type of lighting is cabin lighting

A

indirect lighting, wash lighting

39
Q

where can cabin lighting be controlled

A

cabin management system

40
Q

how do gas discharge lights start and whats needed

A

very high voltage for light generation

41
Q

explain the light type and when they are on in the lavatory

A

dome light and are always on fi the aircraft has power

42
Q

how are cargo lights protected

A

with tempered glass or another durable material

43
Q
A

M11 (15 decks)

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