Light Source Selection Criteria Quiz

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What is the primary advantage of compact fluorescent lamps over tungsten filament lamps?

They use approximately ¼ the power of tungsten filament lamps. (correct)

They have a longer lifespan.

They produce a higher light output.

They are more resistant to temperature changes.

Which type of lamp is commonly used for floodlighting and studio lighting?

Mercury Halide Lamp (correct)

Fluorescent Lamp

High Pressure Mercury Lamp

Compact Fluorescent Lamp

What is the primary disadvantage of fluorescent lamps?

They have a short lifespan.

They are not dimmable.

They are sensitive to temperature changes. (correct)

They have a low luminous efficacy.

Which type of lamp does not require a gear controller and has immediate light output?

Mercury Blended Lamp Signup and view all the answers

What is the primary advantage of high pressure mercury lamps?

They are often used for industrial and road lighting. Signup and view all the answers

Which type of lamp is known for its high luminous efficacy and good color rendering?

Mercury Halide Lamp Signup and view all the answers

What is the unit of measurement that quantifies the amount of visible light emitted by a source?

Lumens Signup and view all the answers

What is a disadvantage of daylight as a light source?

It has poor thermal and noise barriers Signup and view all the answers

What is luminous efficacy a measure of?

The amount of light given by a lamp for each watt of power consumed Signup and view all the answers

What is a factor to consider when comparing light sources?

The color properties of the light source Signup and view all the answers

What is an advantage of electric light sources?

They are constant and available as long as there is a supply of electricity Signup and view all the answers

What is color rendering a description of?

The appearance of colors under a given light source compared with their appearance under a reference source Signup and view all the answers

What factor should be considered in lamp selection regarding the degree and accuracy of light required for the task?

Lamp life and luminous efficiency Signup and view all the answers

Which type of luminaires direct most of the light upwards towards the ceiling or upper walls for reflection?

Uplighters Signup and view all the answers

What function do luminaires play in reducing glare from the light source?

Redistribution of light Signup and view all the answers

When should stroboscopic effects be avoided according to the workplace environment?

If the workplace has moving machinery Signup and view all the answers

Which of the following is NOT a type of luminaire classified based on the supporting surface material design?

High-pressure Sodium Deluxe Discharge lamps Signup and view all the answers

What should be avoided in lamp selection if luminaries are challenging to access?

Regular maintenance requirements Signup and view all the answers

Light Source Selection Criteria Quiz

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