EIM Q4 (LONG QUIZ)

It is a measure of the total quantity of visible light emitted by a source per unit of time.

• Ampere
• Lumens
• Power
• Watts

It is defined as the intensity of light per unit area.

• Brightness
• Glare
• Illumination
• Reflector

In lighting design, you should rely on two things.

• Quality & Durability
• Quantity and Reliability
• Quality & Quantity
• Durability & Reliability

It refers to the amount of illumination or luminous flux per unit area.

• Quality of Light
• Quantity of Light
• Energy Factor
• Power Factor

It refers to the distribution of brightness in lighting installation.

• Quality of Light
• Quantity of Light
• Energy Factor
• Power Factor

What is the formula for Footcandle?

• Lumens ÷ Area
• Lumens x Area
• Watts x Area
• Watts ÷ Area

A 40-watt fluorescent lamp 120 centimeters (48 inches) long produces 3,200 lumens of light in a room having a general dimensions of 10 x 20 ft. Find the illumination on the floor.

• 8 footcandle
• 16 footcandle
• 24 footcandle
• 32 footcandle

Which statement is TRUE?

• More lumens mean it's a brighter light.
• fewer lumens mean it's a dimmer light.
• Better to choose the light bulb lumens than watts.
• Better to choose the light bulb watts than lumens.

The light bulb is an example of _____________.

• load
• source
• path
• control

Which of the following has a higher lumens?

• 25W Incandescent
• 18W CFL
• 16W LED
• 10W Fluorescent