Pls say , how we calculate lux / sq.ft, which formula used
for calculation
Answer Posted / sudheer
we can calculate lux level by lux meter.
Total lumens required= A . E . D/U where,
A = surface area(sq.m)
E= illumination(lm/sq.m)
D= dipriciation factor
U= co-efficient of utilization
| Is This Answer Correct ? | 38 Yes | 15 No |
Post New Answer View All Answers
what is thresold of perception
what is the condition for YnD11
We have two parts in generator, electrical & mechanical. how it works?
what are the industrail measures to over ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system?
why the protection turbo generators is most complex?
What is purpose of reactor?.What is different between line and bus reactor?
Why saturation region slowly shifted in the left side?
Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?
What is resistance reading of earth copper rod with grid and without grid?
how can get electrical c licence.now i am working in spining mill , transformer capacity 2750KVA. SANCTION DEMAND 2250KVA. PLEASE ADVISE ME . MY CONTACT NO 09944226823
Why arc quenching is used in Diode ?
How to test IR testing & magnetic balance test
whats the differece between Exd and Exe
How much ph is maintained of water electrolyte which is used in LRS for 1200 kw slipring induction motor ?
what is settable hystersis protection? If any body knows plz kindly post the answer..