The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is
A. 0.086
B. 1.086
C. 1.086
D. 4.086
Answer: Option B
This Question Belongs to Mechanical Engineering >> Engineering Thermodynamics
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Related Questions on Engineering Thermodynamics
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B. Raising its pressure
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A. Heat
B. Work
C. Kinetic energy
D. Thermal conductivity
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A. Feasible
B. Impossible
C. Possible
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OPTION B AND C SAME
Why b and c is same and c is not correct pl correct
As we know, the 2 types of speed are defined as-
Root mean square speed, v
rms
=
M
3RT
Average speed, v
average
=
πM
8RT
Therefore, their ratio becomes,
v
average
v
rms
=
8π
3
=1.086:1