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Powder Metallurgy
Powder Metallurgy Written Test
Quiz 1
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Q.1
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
Q.2
The particle size decreases with _______
a) increasing surface tension of liquid
b) decreasing velocity of atomizing medium
c) decreasing surface tension of liquid
d) constant velocity of atomizing medium
Q.3
______ apex angles lead to fine particles.
a) 89°
b) 0°
c) Lower
d) Higher
Q.4
______ is obtained in water atomization compared to gas atomization.
a) Coarse powder
b) Fine powder
c) Ultra coarse powder
d) Spherical powder
Q.5
Gas atomization results in _______
a) dendritic shape powder
b) irregular shape powder
c) spherical shape powder
d) fine powder
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