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How BRIGHT is your LIGHTING knowledge?

Authored by Katie Copeland

Used 2+ times

How BRIGHT is your LIGHTING knowledge?
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12 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Lux

indicates the strength of the light emission.

describes the amount of light that is radiated.

is short for luminous flux.

indicates the illumination intensity of an area.

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What does the "6" in IP67 protect against?

solids ie. dust

powerful jets of water or heavy seas

temporary immersion (15cm to 1m for 30 mins)

water

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Do filters work for LEDs?

Yes

No

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is the average efficiency of LEDs?

75%

80%

90%

99%

1

5.

MULTIPLE SELECT QUESTION

10 sec • 1 pt

What is the biggest advantage(s) of reactive lighting?

Automatic power adustments

Automatic battery conservation

Best lumen to burn time ratio

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What does Petzl 50/50 mean?

50 hours of burn time to 50 hours of reserve lighting for 900 lumen headlamp

50% burn time, 50% reserve lighting

50 hours at 50% burn time

50% of the rated brightness

when the battery is 50% full

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

Is this lighting output graph showing regulated lighting or standard lighting?

Standard

Regulated

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