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ILLUMINATION

Illumination
Illumination can be expressed in

  candela.
  lumens.
  radians.
  lux.

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Illumination
Luminous efficacy of a typical HPSV lamp is in between

 10 - 40 lm/watt
 40 - 70 lm/watt.
 70 - 120 lm/watt.
 120 - 200 lm/watt.

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Illumination
Total flux or lumens required in any lighting scheme depends inversely on

  utilization factor.
  reflection factor.
None of these
  reduction factor.

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Illumination
Wave length for red colour is around

 700 nm.
 500 nm.
 400 nm.
 600 nm.

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Illumination
Unit of luminous flux is

  lumens.
  lux.
  candela.
  steradians.

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