Virtual Labs

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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

To study the making of cores using core sand

Choose difficulty:

Beginner

Intermediate

Advanced

What is the primary purpose of sand casting? (LO1)

a: To increase the weight of the casting Explanation

Explanation

b: To create hollow sections in the casting Explanation

Explanation

c: To improve the strength of the mould Explanation

Explanation

d: To enhance the surface finish of the casting Explanation

Explanation

What happens to the core after the casting process is complete? (LO1)

a: It becomes a permanent part of the casting Explanation

Explanation

b: It is melted along with the metal Explanation

Explanation

c: It is removed or broken away Explanation

Explanation

d: It expands to fill the cavity Explanation

Explanation

What is the purpose of ramming the core sand into the core box? (LO3)

a: To mix the sand with the binder Explanation

Explanation

b: To ensure proper compaction and shape formation Explanation

Explanation

c: To dry the core faster Explanation

Explanation

d: To increase the cooling rate of molten metal Explanation

Explanation

. Why is a hole made in the core during core preparation? (LO3)

a: To allow gases to escape during casting Explanation

Explanation

b: To reduce the weight of the core Explanation

Explanation

c: To improve surface finish Explanation

Explanation

d: To increase the density of the core Explanation

Explanation

What is the final step in core making? (LO3)

a: Pouring the molten metal into the mould Explanation

Explanation

b: Removing excess binder from the core Explanation

Explanation

c: Ramming the core box to loosen the core Explanation

Explanation

d: Cooling the casting Explanation

Explanation

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