Trivia Quiz On General Lighting Basics! Test Your Knowledge

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| By Gretzak

Gretzak

Community Contributor

Quizzes Created: 1 | Total Attempts: 612

Questions: 6 | Attempts: 622 | Updated: Mar 18, 2023

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Trivia Quiz On General Lighting Basics! Test Your Knowledge - Quiz

Below is a trivia quiz on general lighting basics! If you are planning a career in internal designing, you know that having proper lighting is one of the things that most people hope for in a premise. Do you think that you know enough about the different candles and rumen to pass this fantastic quiz? Do give it a shot and see.

Questions and Answers

1.

A lumen is a measure of the
- A.
  
  Strength of a light source measured at the source.
- B.
  
  Power draw of the lamp.
- C.
  
  Amount of usable light from a light source.
- D.
  
  Amount of light per square foot of a work surface.
Correct Answer
A. Strength of a light source measured at the source.

Explanation
The amount of light being emitted by a lamp or bulb is measured at the lamp and expressed in lumens. However, the amount of light reaching the work surface is dependent on many factors including luminaire design.

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2.

A foot candle is a measure of the
- A.
  
  Number of candles that would shine the same amount of light as the light source being measured.
- B.
  
  Strength of the light measured one foot from the light source.
- C.
  
  Amount of light shed in one square foot of area measured at a distance from the light source.
- D.
  
  Number of feet away from a light source you are measuring.
Correct Answer
C. Amount of light shed in one square foot of area measured at a distance from the light source.

Explanation
The foot-candle is a measure of the amount of light at some distance from the light source. Light measured on a work surface is expressed in foot candles.

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3.

A foot candle is expressed in units of
- A.
  
  Lumens per square foot.
- B.
  
  Lumens per square meter.
- C.
  
  Candles per square foot.
- D.
  
  Candles per square meter.
Correct Answer
A. Lumens per square foot.

Explanation
A foot candle is a unit of measurement that represents the amount of light that falls on a surface. It is defined as the illuminance produced by one lumen of light evenly distributed over an area of one square foot. Therefore, the correct answer is "lumens per square foot" as it accurately describes the unit of measurement for a foot candle.

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4.

Which of the following is an example of “horizontal foot candles”?
- A.
  
  The amount of light measured on the front of a computer monitor
- B.
  
  The amount of light measured at the front of a rack aisle
- C.
  
  The amount of light measured on a factory wall
- D.
  
  The amount of light measured on a factory floor
Correct Answer
D. The amount of light measured on a factory floor

Explanation
When foot-candle readings are taken on a horizontal work surface, the result is expressed as horizontal foot candles. Horizontal foot-candle readings are also taken in roadways, factory aisles, and other locations where people are walking or driving.

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5.

A “lux” is the metric equivalent to the US term
- A.
  
  Lumen.
- B.
  
  Foot candle.
- C.
  
  Candle.
- D.
  
  Lumen maintenance.
Correct Answer
B. Foot candle.

Explanation
A "lux" is a unit of measurement for illuminance, which is the amount of light that falls on a surface. The US term equivalent to lux is "foot candle". Both lux and foot candle measure the same thing, but foot candle is the term used in the US while lux is used in the metric system.

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6.

Which of the above images shows a high pressure sodium lamp?
- A.
  
  A
- B.
  
  B
Correct Answer
B. B

Explanation
Image B shows a high pressure sodium lamp. This can be determined by the characteristic yellow-orange glow emitted by high pressure sodium lamps, which is visible in Image B. Image A does not exhibit this glow, suggesting that it is not a high pressure sodium lamp.

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Current Version
Mar 18, 2023

Quiz Edited by
ProProfs Editorial Team
Dec 03, 2010

Quiz Created by
Gretzak

Trivia Quiz On General Lighting Basics! Test Your Knowledge

A lumen is a measure of the

A foot candle is a measure of the

A foot candle is expressed in units of

Which of the following is an example of “horizontal foot candles”?

A “lux” is the metric equivalent to the US term

Which of the above images shows a high pressure sodium lamp?