Chemical Engineering - Heat Transfer - Discussion

Discussion Forum : Heat Transfer - Section 10 (Q.No. 50)
50.
At constant temperature, the thermal conductivities of gases __________ with rise in pressure.
decrease
increase
remain unchanged
may increase or decrease; depends on the pressure
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
5 comments Page 1 of 1.

Siddhant ju said:   5 years ago
At moderate and high-pressure thermal conductivity of gases are independent of pressure but at low pressure, it is directly proportional to pressure.
(1)

Ashish said:   7 years ago
As we know k for gas α √ (T/M) and also for gases Pressure = ((density) * (M) / (R*T)). So answer is properly right.
(1)

Manoj said:   9 years ago
How will it decrease? it should be increased.
(2)

Aditi said:   9 years ago
Why not Increases?
(1)

Vikas said:   9 years ago
Increasing pressure thermal conductivity of gases increases.
(1)

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