MCQOPTIONS

Explore topic-wise MCQs in Casting.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.

1.	Match the elements in box ‘A’ to their respective functions in box ‘B’ and tick the correct option.
A.	1-a, 2-b, 3-c
B.	1-b, 2-a, 3-c
C.	1-c, 2-b, 3-a
D.	1-c, 2-a, 3-bView Answer
Answer» D. 1-c, 2-a, 3-bView Answer

2.	Why should the finishing of the core be made good enough?
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
Answer» E.

3.	Why should the finishing of core be made good enough?
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 above
Answer» E.

4.	Why the air already present inside the corebox is necessary to be evacuated before pressurised air is blown into it?
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
Answer» D. Nothing will happen as the pressure of incoming air neutralises inside air pressure

5.	What will happen if the parting line in the corebox is not closed properly?
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
Answer» B. The cope and drag part clamped will detach and break the core

6.	In the case of shell, hotbox or warmbox ______________
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
Answer» C. Steam is provided to the core mix

7.	In the case of coldbox core _____________
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
Answer» D. Cold water is poured onto the core mix

8.	What are the core boxes?
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
Answer» C. Used to store cores

9.	How are core manufactured in casting?
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
Answer» B. Cores are manufactured by machining process