Light 2017

Question 1

What is a foot candle?

Answer 1

the measurement of the amount of light striking an area of one square foot one foot away
min 10 foot candles for food storage
min 20 foot candles for cleaning activities
min 50 foot candles for food prep

Question 2

What is luminous flux?

Answer 2

amount of light coming from a source
quantity of light emitted

Question 3

What is a lumen?

Answer 3

unit used to specify quantity of light to illuminate 1 sqft

Question 4

What is a lambert?

Answer 4

brightness of a surface emitting/reflecting one lumen/sqcm

Question 5

What is a foot lambert?

Answer 5

when direct light source does not have a brightness rating, the average brightness is defined as “any surface emitting/reflecting light”