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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