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Fluidization Engineering Multiple Choice Questions | MCQs | Quiz

Fluidization Engineering Interview Questions and Answers
Practice Fluidization Engineering questions and answers for interviews, campus placements, online tests, aptitude tests, quizzes and competitive exams.

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•   Fluidization Operations
•   Fine Powder Transportation
•   Heat Exchanger
•   Plastic Materials Coating
•   Drying & Sizing
•   Particle Growth
•   Synthesis Reactions - 1
•   Synthesis Reactions - 2
•   Fluidized Bed Applications
•   Fluid Catalytic Cracking
•   Fluid Catalytic Reforming
•   Fluid Coking
•   Thermal Cracking
•   Oil & Coal Carbonization
•   Coal & Coke Gasification
•   Charcoal Activation
•   Limestone Calcination
•   Cement Clinker
•   Sulphide Ores Roasting
•   Iron Oxides Reduction
•   Particles Size
•   Minimum Fluidizing Velocity
•   Fluidized Bed Pressure
•   Particles Terminal Velocity
•   Distributor Importance
•   TDH Single Size Solids
•   TDH Size Distribution

Best Reference Books

Fluidization Engineering Books

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Fluidization Engineering Questions and Answers – Minimum Fluidizing Velocity

Posted on August 11, 2017 by Manish

This set of Fluidization Engineering online test focuses on “Minimum Fluidizing Velocity”.

1. Fluidization occurs when: Drag force by the upward moving gas ________
a) Weight of the particle
b) Weight of the fluid
c) Volume of the bed
d) Pressure drop across bed
View Answer

Answer: a
Explanation: Drag force by the upward moving gas = Weight of the particle.
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2. What is the range of Reynolds number(Re) for small particles in the fluidization bed?
a) Re < 20
b) Re > 20
c) 20 < Re > 1000
d) 20 > Re < 1000
View Answer

Answer: a
Explanation: Since smaller particles require less velocity of gas to lift the particles, hence the Re is low.

3. What is the range of Reynolds number(Re) for small particles in the fluidization bed?
a) Re < 20
b) Re > 20
c) Re > 1000
d) 20 > Re < 1000
View Answer

Answer: c
Explanation: Since larger particles require large velocity of gas to lift the particles, hence the Re is large.

4. Fluidization expression is compared with which equation from fluid mechanics?
a) Euler’s equation
b) Bernoulli’s equation
c) Buoyancy equation
d) Navier–Stokes equation
View Answer

Answer: a
Explanation: Because the Euler’s equation is analogous to Fluidization equation.

5. Minimum Fluidizing equation can be expressed in terms of which physical quantity?
a) Pressure drop
b) Temperature
c) Velocity
d) Volume
View Answer

Answer: a
Explanation: Since pressure drop is required to find the exact velocity of gas required to keep the particles floating.
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6. What is the sphericity of sharp sand particles?
a) 0.67
b) 0.86
c) 0.63
d) 0.58
View Answer

Answer: a
Explanation: Based on the data from the Voidage table at Minimum fluidizing conditions.

7. What is the sphericity of round sand particles?
a) 0.67
b) 0.86
c) 0.63
d) 0.58
View Answer

Answer: b
Explanation: Based on the data from the Voidage table at Minimum fluidizing conditions.

8. What is the sphericity of anthracite coal particles?
a) 0.67
b) 0.86
c) 0.63
d) 0.58
View Answer

Answer: c
Explanation: Based on the data from the Voidage table at Minimum fluidizing conditions.

9. What is the sphericity of Fisher-catalyst particles?
a) 0.67
b) 0.86
c) 0.63
d) 0.58
View Answer

Answer: d
Explanation: Based on the data from the Voidage table at Minimum fluidizing conditions.

10. On comparison with Fluidized bed and Packed bed, which has the highest voidage?
a) Fluidized bed
b) Packed bed
c) Pressure drop
d) All of the mentioned
View Answer

Answer: a
Explanation: Fluidized bed has little larger voids compared to packed bed.
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Sanfoundry Global Education & Learning Series – Fluidization Engineering.

To practice all areas of Fluidization Engineering for online tests, here is complete set of 1000+ Multiple Choice Questions and Answers.

« Prev Page - Fluidization Engineering Questions and Answers – Fixed Bed – Particles of One Size
» Next Page - Fluidization Engineering Questions and Answers – Pressure Drop in Fluidized Beds

« Fluidization Engineering Questions and Answers – Fixed Bed – Particles of One Size
Fluidization Engineering Questions and Answers – Pressure Drop in Fluidized Beds »
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Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer and SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage & Cluster Administration, Advanced C Programming, SAN Storage Technologies, SCSI Internals and Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him below:
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