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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

To determine the clay content present in base sand.

Choose difficulty:

Beginner

Intermediate

Advanced

What is the primary function of clay in moulding sand? (LO1)

a: To increase permeability Explanation

Explanation

b: To act as a binder and provide strength Explanation

Explanation

c: To reduce moisture content Explanation

Explanation

d: To remove impurities from the sand Explanation

Explanation

What is the typical clay content range in moulding sand? (LO2)

a: 5%-10% Explanation

Explanation

b: 2%-50% Explanation

Explanation

c: 25%-75% Explanation

Explanation

d: 60%-90% Explanation

Explanation

Which component of clay provides binding strength in moulding sand? (LO1)

a: Fine silt Explanation

Explanation

b: True clay Explanation

Explanation

c: Sodium hydroxide Explanation

Explanation

d: Sand particles Explanation

Explanation

What happens when clay is mixed with water? (LO1)

a: It hardens immediately Explanation

Explanation

b: It dissolves completely Explanation

Explanation

c: It becomes plastic and provides binding strength Explanation

Explanation

d: It forms a porous structure Explanation

Explanation

What is the structure of clay particles? (LO1)

a: Spherical Explanation

Explanation

b: Flake-like Explanation

Explanation

c: Cubical Explanation

Explanation

d: Cylindrical Explanation

Explanation

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