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Cement Properties and Hydration

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Questions and Answers

What is a characteristic of high alumina cement?

It is very reactive and produces high early strength (correct)

It is not suitable for mass concrete

It is not reactive

It produces low early strength

Why do different types of cement have different strengths?

Due to differences in environmental conditions

Due to differences in manufacturing processes

Due to differences in suitability for construction purposes (correct)

Due to differences in temperature

What is the purpose of using a type of cement that hardens quickly?

For mass concrete construction

For construction that requires a short construction time (correct)

For construction in hot temperatures

For construction in cold temperatures

What is mass concrete?

Any volume of concrete with dimensions large enough to require special measures Signup and view all the answers

Why is field testing of cement sufficient for minor works?

Because it is a quick and easy method Signup and view all the answers

What is the first step in field testing of cement?

Open the bag and take a good look at the cement Signup and view all the answers

What should you look for when you open the cement bag during field testing?

A greenish grey color Signup and view all the answers

What should you do with your hand in the cement bag during field testing?

Feel for lumps Signup and view all the answers

What should you feel when you take a pinch of cement during field testing?

A smooth feeling Signup and view all the answers

Why is it important to test the cement?

To ensure the cement is suitable for the specific construction project Signup and view all the answers

Cement Properties and Hydration

Choose a study mode

Podcast

Questions and Answers

What is a characteristic of high alumina cement?

Why do different types of cement have different strengths?

What is the purpose of using a type of cement that hardens quickly?

What is mass concrete?

Why is field testing of cement sufficient for minor works?

What is the first step in field testing of cement?

What should you look for when you open the cement bag during field testing?

What should you do with your hand in the cement bag during field testing?

What should you feel when you take a pinch of cement during field testing?

Why is it important to test the cement?

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