Modes and Diffusion MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Modes and Diffusion, a fundamental topic in the field of Mass Transfer. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Modes and Diffusion MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Modes and Diffusion mcq questions that explore various aspects of Modes and Diffusion problems. Each MCQ is crafted to challenge your understanding of Modes and Diffusion principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Mass Transfer tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Modes and Diffusion MCQs are your pathway to success in mastering this essential Mass Transfer topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Modes and Diffusion. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Modes and Diffusion knowledge to the test? Let's get started with our carefully curated MCQs!

Modes and Diffusion MCQs | Page 10 of 12

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Q91.
What is the density of granite in kg/m³?
Discuss
Answer: (d).2630
Q92.
Which one is having highest density?
Discuss
Answer: (a).Leather
Q93.
What is the density of oak in kg/m³?
Discuss
Answer: (b).545
Q94.
Assume the following thermos-physical properties of air

D = 0.256 * 10โปโด m²/s
µ = 1.86 * 10โปโต kg/m s
cโ‚š = 1.005 k J/kg degree Celsius
pแตฃ = 0.701
p =1.165 kg/m³

Find the value of Schmidt number.
Discuss
Answer: (c).0.623
Q95.
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 mass transfer coefficient. Assume that the water vapor content of air initially is negligible and take the following thermos-physical properties of air.

D = 0.256 * 10โปโด m²/s
µ = 1.86 * 10โปโต kg/m s
cโ‚š = 1.005 k J/kg degree Celsius
pแตฃ = 0.701
p =1.165 kg/m³
Discuss
Answer: (a).0.1076 m/s
Q96.
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 * 10โปโด m²/s
µ = 1.86 * 10โปโต kg/m s
cโ‚š = 1.005 k J/kg degree Celsius
pแตฃ = 0.701
p =1.165 kg/m³
Discuss
Answer: (d).14.09 * 10โต
Q97.
Assume the following thermos-physical properties of air.

D =0.82 * 10โปโถ m²/s
v = 15.5 * 10โปโถ m²/s

Find the value of Schmidt number.
Discuss
Answer: (b).1.89
Q98.
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 * 10โปโถ m²/s
v = 15.5 * 10โปโถ m²/s
Discuss
Answer: (a).0.0176 m/s
Q99.
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 * 10โปโถ m²/s
v = 15.5 * 10โปโถ m²/s
Discuss
Answer: (c).64.44
Discuss
Answer: (b).Shโ‚“ = 0.332 (Re)โฐ.โต (Sc)โฐ.³³