Casting Finishing Cores Online Exam Quiz
Casting Finishing Cores GK Quiz. Question and Answers related to Casting Finishing Cores. MCQ (Multiple Choice Questions with answers about Casting Finishing Cores
How are core manufactured in casting?
Options
A : Cores are manufactured from a pattern in the same way as of mold
B : Cores are manufactured by machining process
C : Cores are manufactured by traditional methods
D : Cores are not manufactured, they are found naturally
What will happen if the parting line in the corebox is not closed properly?
Options
A : Coresand may blow out of the box to create fins on the cores
B : The cope and drag part clamped will detach and break the core
C : Air inclusion occurs as the atmospheric air involves the solidification of core
D : Nothing will happen, as the parting line has no role in core making
In the case of shell, hotbox or warmbox ______________
Options
A : Hot water is poured onto the sand mixture
B : The sand mixture is heated to set the core
C : Steam is provided to the core mix
D : The corebox is left in the room temperature
Why the air already present inside the corebox is necessary to be evacuated before pressurised air is blown into it?
Options
A : The air has comparatively low pressure hence, distortion occurs
B : Hot tears will occur on the surface
C : It will cause poor sand distribution and poor compaction
D : Nothing will happen as the pressure of incoming air neutralises inside air pressure
In the case of coldbox core _____________
Options
A : The core mix is heat treated in order to cure it
B : Core mix immediately gets cured after sand is blown
C : Time is given to the core mix to be cure
D : Cold water is poured onto the core mix
Why should the finishing of the core be made good enough?
Options
A : The intricate shapes made are difficult for machine finishing
B : The size of the cavities and contours must be accurate to enable perfect assemblies
C : It reduces machining cost and time invested for that
D : All of the mentioned
What are the core boxes?
Options
A : Used to support cores
B : Used to create cores
C : Used to store cores
D : Used to Eject cores while ejection of casting after solidification
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