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Atomization - Powder Metallurgy MCQ Questions

Atomization MCQs : Here you will find MCQ Questions related to "Atomization" in Powder Metallurgy. These Atomization MCQ Questions Will help you to improve your Powder Metallurgy knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations




Question 1

Atomization is the dominant method for producing metal and prealloyed powders from ?

A. aluminum
B. brass
C. iron
D. All of the above

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Question 2

The solidification rate is inversely proportional to the particle size

A. Yes
B. No
C. Can be yes or no
D. Can not say

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Question 3

Vacuum atomization is also known as _________

A. RSP
B. Ultrasonic atomization
C. Soluble gas atomization
D. REP

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Question 4

The minimum size of powder grains to approximately?

A. 2 μm
B. 5 μm
C. 10 μm
D. 30 μm

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Question 5

Which of the following are major components of atomization set-up?

A. Melting, atomization chamber
B. Melting, atomization chamber, dry collection
C. Melting and superheating facility
D. Melting, atomization chamber, collection tank

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Question 6

Which of the following factors control the average particle size, for a given nozzle design?

A. Pressure of the atomizing medium
B. Pressure of the atomizing medium, apex angle between the axes of the gas jets
C. Reflex angle between the axes of the gas jets
D. Pressure of the atomizing medium, reflex angle between the axes of the gas jets

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Question 7

The advantage of water atomization is that metal solidifies faster than by gas atomization since the heat capacity of water is some magnitudes higher than gases.

A. Yes
B. No
C. Can be yes or no
D. Can not say

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Question 8

Which of the following factors affect the particle size of atomized powder?

A. Nozzle configuration
B. Atomizing medium and nozzle configuration
C. Properties of metal, atomizing medium and nozzle configuration
D. Atomizing medium

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Question 9

REP is also known as _________

A. Centrifugal atomization
B. RSP
C. Rotating disk atomization
D. Ultrasonic atomization

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Question 10

The water atomized particles are large, dirty, and porous and have a small breadth of size.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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