Which Is the Appropriate Moving Air Speed for Comfort Criteria

Multiple Choice

Which is the appropriate moving air speed for comfort criteria?

A) 20^oC d.b. air should be moving at around 0.1 m/s at neck level
B) 30^oC d.b. air can be moving at 1.25 m/s at head level for sedentary workers.
C) Should be above 2.0 m/s to create stimulating environment
D) Almost stagnant air around sedentary workers is preferable to avoid hot or cold draughts
E) Constant air velocity, temperature and direction is preferred so it is predictable for sedentary workers