My Report

Mass Transfer Practice Test 2


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. The empirical correlation for local mass transfer coefficient for laminar boundary layer flow past a flat plate is given by

2. Which one is having the highest value of diffusivity?

3. What is the density of sand in kg/m3?

4. What is the value of diffusivity for ammonia?

5. Which one is having the highest value of diffusivity?

6. What is the value of diffusivity for water?

7. Which one is having highest emissivity?

8. Assume the following thermos-physical properties of air
D = 0.256 * 10 -4 m2/s
ยต = 1.86 * 10 -5 kg/m s
c p = 1.005 k J/kg degree Celsius
p r = 0.701
p =1.165 kg/m3
Find the value of Schmidt number

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

10. What is the density of paper in kg/m3?


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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