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Question
Physics
The coefficient of viscosity for hot air is
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Q. The coefficient of viscosity for hot air is
Mechanical Properties of Fluids
A
greater than the coefficient of viscosity for cold air
0%
B
smaller than the coefficient of viscosity for cold air
100%
C
same as the coefficient of viscosity for cold air
0%
D
increases or decreases depending on the external pressure
0%
Solution:
For gases, viscosity increases with temperature. Hence, coefficient of viscosity for hot air is greater than coefficient of viscosity for cold air.