Casting Permanent Mould Casting Online Exam Quiz
Casting Permanent Mould Casting GK Quiz. Question and Answers related to Casting Permanent Mould Casting. MCQ (Multiple Choice Questions with answers about Casting Permanent Mould Casting
What should be the maximum desirable thickness of the coatings applied to the mould?
Options
A : 0.8 mm
B : 2 mm
C : 5 mm
D : 10 mm
In permanent mould casting, the temperature at which the mould is used does not depend on _____
Options
A : casting weight
B : casting wall thickness
C : pressure in casting
D : pouring temperature
Which of the following is not the function of coating of refractory materials on the mould?
Options
A : Prevent the soldering of metal to the mould
B : Minimize thermal shock to the mould
C : Control the rate of casting solidification
D : Increase the heat transfer rate
Experiment with gating systems in sand casting is performed before the construction of gating systems for the metallic mould.
Options
A : True
B : False
C :
D :
For complicated shapes, it is better to use collapsible metal cores rather than a single metal core in the casting.
Options
A : True
B : False
C :
D :
In permanent mould casting, the mould is pre-heated to its operating temperature before the actual use of mould.
Options
A : True
B : False
C :
D :
In permanent mould casting, only the metallic type of cores can be used, as the mould material used is also metallic.
Options
A : True
B : False
C :
D :
It is desirable to have drafts or undercuts as much as possible in the mould cavity, to have greater strength of the castings.
Options
A : True
B : False
C :
D :
Metallic core is more preferable than the sand core in the permanent mould casting.
Options
A : True
B : False
C :
D :
Permanent mould casting is suited to low volume production of moderate or complex shapes of casting.
Options
A : True
B : False
C :
D :
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