In lighting what does the letter E stand for?

• Emf, volts

• Flux, Lumens

• Intensity, Candela

• Illumination, Lux

What is a luminaire?

• The lamp

• The lamp holder

• Wiring

• Socket

• All of the above

What is the allowance for light distribution and room surfaces called

• Maintenance Factor

• Utilisation Factor

• Illuminanace

• Intensity

What is the formula for calculating the number of luminaires required called?

• The Lumen method

• The inverse Square Law

• The cosine law

• The luminaires method

What is the number used to measure the degradation of the light output of a lamp, allowing for dust and dirt?

• A?

• UF?

• Don't know

• MF?

Tags

NGSS.MS-PS4-2

The Lumen method takes into account.....

• Conditions in the room

• Size of the room

• Light level required in the room

• All of these

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