Multiple Choice
In which case artificial lighting is necessary?
A) Where the recommended illumination levels have to be obtained by artificial lighting only.
B) To supplement day lighting when the level of illumination falls below the recommended value.
C) Where visual task may demand a higher level of illumination.
D) all of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q4: Requirement of air changes per hour in
Q5: As per IS : 3362-1965 recommends the
Q6: The ratio (or percentage) of that part
Q7: Requirement of air changes per hour in
Q8: Which is the type of incandescent lamp?<br>A)Carbon
Q10: As per IS : 3362-1965 recommends the
Q11: Requirement of air changes per hour in
Q12: Which one is not a type of
Q13: As per IS : 3362-1965 recommends the
Q14: Necessity of ventilation is _<br>A)Removal of carbon