Which is correct about lighting?
A) 1000 lumen/m2 is a very bright indoor illumination level
B) 1000 lux is a very dull indoor illumination
C) A typical fluorescent tube emits about one million lumens
D) Fluorescent lighting does not cast shadows
E) LED lighting is very energy-inefficient
Correct Answer:
Verified
Q1: When 900 lumen falls onto a 2.0
Q2: Light falling onto the surface in a
Q3: Illumination Intensity is which?
A)Lumens
B)Light level
C)Illuminance
D)Lumen/m2
E)Lumen per watt
Q4: Efficacy of a lamp means?
A)Lumens light output
Q5: Light system glare means?
A)Florescent indoor lighting systems
Q6: What is an air-handling luminaire?
A)Sealed luminaire to
Q7: What is meant by lamp colour temperature?
A)Colour
Q8: Which are correct descriptions of lighting system
Q10: Which of these correctly describe BZ classification?
A)BZ
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