Q.1
In pressure die casting, what is the minimum pressure that can be applied?
  • a) 50 kg/cm2
  • b) 60 kg/cm2
  • c) 70 kg/cm2
  • d) 80 kg/cm2
Q.2
What is the maximum pressure, which can be applied in a pressure die casting?
  • a) 4530 kg/cm2
  • b) 4980 kg/cm2
  • c) 5000 kg/cm2
  • d) 5100 kg/cm2
Q.3
Alloys of which of the following metal is not used for hot chamber die casting?
  • a) Tin
  • b) Lead
  • c) Zinc
  • d) Iron
Q.4
In cold chamber die casting, what is the minimum pressure that can be applied?
  • a) 140 kg/cm2
  • b) 180 kg/cm2
  • c) 150 kg/cm2
  • d) 200 kg/cm2
Q.5
In cold chamber die casting, what is the maximum pressure that can be applied?
  • a) 500 kg/cm2
  • b) 1000 kg/cm2
  • c) 1500 kg/cm2
  • d) 2000 kg/cm2
Q.6
In hot chamber die casting, before the end of the stroke, what uncovers the port?
  • a) Injector
  • b) Plunger
  • c) Burning flame
  • d) Die cavity
Q.7
Which of the following is not counted among the limitations of pressure die casting?
  • a) Only small parts can be produced
  • b) High cost
  • c) Low scale production
  • d) Castings are porous
Q.8
Up to what tolerances can pressure die casting be possible?
  • a) ± 0.067mm
  • b) ± 0.076mm
  • c) ± 0.025mm
  • d) ± 0.052mm
Q.9
Up to what thickness can the sections be casted?
  • a) 0.3mm
  • b) 0.4mm
  • c) 0.5mm
  • d) 0.6mm
Q.10
In pressure die castings, production rate is low.
  • a) True
  • b) False
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