For normal reading the illumination level required is around
A) 20-40 lumens/m2
B) 60-100 lumens/m2
C) 200-300 lumens/m2
D) 400-500 lumens/m2
Correct Answer:
Verified
Q11: Which of the following lamps is the
Q12: On which of the following factors dies
Q13: For the same lumen output, the running
Q14: The flicker effect of fluorescent lamps is
Q15: ...... is a cold cathode lamp.
A)fluorescent lamp
B)neon
Q17: Which gas can be filled in GLS
Q18: Which of the following is not the
Q19: The refrigerants which are first cooled by-----------------refrigerants
Q20: Which one of the following inorganic refrigerants
Q21: From the following refrigerants, which is one
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents