Electrical Engineering · Illumination Engineering
How many 200 lumen lamps are required to obtain a minimum illuminance of 50 lux in a rectangular hall measuring 5 m by 8 m, assuming a utilization factor of 1?
- 1160
- 240
- 34
- 410✓
Correct answer
10
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Electrical Engineering?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Illumination Engineering?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Electrical Engineering · Illumination Engineering