Q.1
The pressure is obtained by which of the following methods in pressure die castings?
  • a) Mechanical
  • b) Hydraulic
  • c) Pneumatic
  • d) Electromagnetic
Q.2
Gooseneck injection type mechanism is ___________ chamber mechanism.
  • a) Hot
  • b) Cold
  • c) Temperature Independent
  • d) Room temperature
Q.3
The pressure is maintained in the mould till the casting is solidified.
  • a) True
  • b) False
Q.4
The Gooseneck mechanism is more efficient than the plunger mechanism.
  • a) True
  • b) False
Q.5
In hot chamber machine, the melting unit constitutes and integral part.
  • a) True
  • b) False
Q.6
Air injection processes can be used for __________
  • a) Iron
  • b) Scandium
  • c) Zinc
  • d) Argon
Q.7
__________ are useful in cold chamber machines.
  • a) Riser
  • b) Gates
  • c) Ladles
  • d) Shell
Q.8
______________ pressure is recommended in the cold chamber process.
  • a) High
  • b) Low
  • c) Medium
  • d) Room temperature
Q.9
Low melting point alloys can be cast in the cold chamber pressure die casting.
  • a) True
  • b) False
Q.10
Pressure die casting is used for high volume production because ____________
  • a) High maintenance
  • b) Costly machinery
  • c) Complex dies
  • d) All of the mentioned
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