Lighting Designer Interview Questions and Answers for Freshers

Maintenance factor is the ratio of the illuminance of a lighting system after a certain period of time to its initial illuminance.

• It is a measure of how well a lighting system maintains its initial illuminance over time.

• It takes into account factors such as lamp lumen depreciation, dirt accumulation, and maintenance practices.

• A higher maintenance factor means that the lighting system will maintain its illuminance level for a longer period of time.

• For example, a lighting syste...read more

IES file is a standardized file format used to describe the distribution of light from a light source.

• It contains photometric data that describes how light is distributed in space.

• It is used by lighting designers to simulate and analyze lighting designs.

• It is also used by manufacturers to provide lighting specifications for their products.

• It can be opened and viewed using specialized software such as AGi32 or Dialux.

• It is often provided by lighting manufacturers as a download...read more