The air velocity past the sensors of a “wet and dry” bulb instrument should be:
A. 50 feet per second, minimum
B. 2 metres per second, maximum
C. Approximately 4.6 metres per second
D. Any value
Answer:C
The air velocity past the sensors of a “wet and dry” bulb instrument should be:
A. 50 feet per second, minimum B. 2 metres per second, maximum C. Approximately 4.6 metres per second D. Any value