Q.1
In centrifugal castings, the molten metal is introduced into a ___________ mould.
  • a) Rotating
  • b) Static
  • c) Swinging
  • d) Heating
Q.2
True centrifugal castings are __________ in shape.
  • a) Straight
  • b) Square
  • c) Round
  • d) Rectangular
Q.3
The metal is poured in the inner surface of the mold cavity.
  • a) True
  • b) False
Q.4
In the De Lavaud casting process, the coolant used is ___________
  • a) Water
  • b) Resin
  • c) Aerated water
  • d) Inert gases
Q.5
The De Lavaud machine is highly locomotive.
  • a) True
  • b) False
Q.6
True centrifugal castings can be prepared in ___________ moulds.
  • a) Metal
  • b) Sand
  • c) Metal and sand
  • d) Sand and chemical
Q.7
The _____________ parts are cast in centrifuge castings.
  • a) Symmetrical
  • b) Asymmetrical
  • c) Identical
  • d) Non-Identical
Q.8
There are a lot of limitations on the castings produced by the centrifuge castings.
  • a) True
  • b) False
Q.9
_________ molding is used to produce valve bodies in centrifuge casting.
  • a) Stack
  • b) Straight
  • c) Hand
  • d) Machine
Q.10
High spinning is needed in semi-centrifuge casting.
  • a) True
  • b) False
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