Question

Air at 30 degree Celsius temperature flows at 45 m/s past a wet flat plate of length 0.5 m. Estimate the value of Reynolds number. Assume that the water vapor content of air initially is negligible and take the following thermos-physical properties of air.

D = 0.256 * 10⁻⁴ m²/s
µ = 1.86 * 10⁻⁵ kg/m s
cₚ = 1.005 k J/kg degree Celsius
pᵣ = 0.701
p =1.165 kg/m³

a.

14.09 * 10⁸

b.

14.09 * 10⁷

c.

14.09 * 10⁶

d.

14.09 * 10⁵

Answer: (d).14.09 * 10⁵

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Air at 30 degree Celsius temperature flows at 45 m/s past a wet flat plate of length 0.5 m. Estimate the value of Reynolds number. Assume that the water vapor content of air...

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Assume the following thermos-physical properties of air.

D =0.82 * 10⁻⁶ m²/s
v = 15.5 * 10⁻⁶ m²/s

Find the value of Schmidt number.

Q. Air at 1 atm and 25 degree Celsius temperature, flows inside a 3 cm diameter tube with a velocity of 5.25 m/s. Determine mass transfer coefficient for iodine transfer from the air stream to the weak surface. Assume the following thermos-physical properties of air.

D =0.82 * 10⁻⁶ m²/s
v = 15.5 * 10⁻⁶ m²/s

Q. Air at 1 atm and 25 degree Celsius temperature, flows inside a 3 cm diameter tube with a velocity of 5.25 m/s. Determine value of Sherwood number for iodine transfer from the air stream to the weak surface. Assume the following thermos-physical properties of air.

D =0.82 * 10⁻⁶ m²/s
v = 15.5 * 10⁻⁶ m²/s

Q. The empirical correlation for local mass transfer coefficient for laminar boundary layer flow past a flat plate is given by

Q. The empirical correlation for local mass transfer coefficient for turbulent boundary layer flow past a flat plate is given by

Q. The expression for average mass transfer coefficient is

Q. Sherwood number is a function of

Q. What is the melting point of chromium?

Q. What is the melting point of cobalt?

Q. Which one is having the highest melting point?

Q. What is the melting point of germanium?

Q. Which one is having a minimum melting point?

Q. What is the melting point of nichrome?

Q. What is the melting point of palladium?

Q. Which one is having a maximum melting point?

Q. What is the melting point of tin?

Q. Which one is having a minimum melting point?

Q. Given diagram shows diffusion of water vapor through air. Identify the correct statement.

Q. Figure shows equimolal diffusion between species B and C. Identify the correct molar diffusion rate

Recommended Subjects

Are you eager to expand your knowledge beyond Mass Transfer? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!