Which is the appropriate moving air speed for comfort criteria?
A) 20oC d.b. air should be moving at around 0.1 m/s at neck level
B) 30oC 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
Correct Answer:
Verified
Q1: We sense odours by?
A)A measuring instrument
B)Identifying smells
C)Breathing
Q2: Which is correct about air humidity?
A)Moisture within
Q3: Which is correct about ventilation?
A)Exfiltration of air
Q4: Dry bulb air temperature is measured by?
A)Thermistor
B)Thermocouple
C)Mercury
Q5: Which is not one atmospheric pressure?
A)300 inches
Q6: What does Fanger's thermal equation for sedentary
Q7: Anemometer is?
A)For measuring fan vane angles
B)A calibrated
Q8: Which is the basic need of human
Q9: Which is correct about heat transfer?
A)Only steam
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