Question

If t1=Time at which water is first added to cement, t2=Time when needle fails to penetrate 5 mm to 7 mm from bottom of the mould, t3=Time when the needle makes an impression but the attachment fails to do so, then what is final setting time?

a.

t2-t1

b.

t2+t1

c.

t3-t1

d.

2*t1

Posted under Concrete Technology

Answer: (c).t3-t1

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. If t1=Time at which water is first added to cement, t2=Time when needle fails to penetrate 5 mm to 7 mm from bottom of the mould, t3=Time when the needle makes an impression but...

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. If t1=Time at which water is first added to cement, t2=Time when needle fails to penetrate 5 mm to 7 mm from bottom of the mould, t3=Time when the needle makes an impression but the attachment fails to do so, then what is initial setting time?

Q. Initial setting time of Low Heat Cement should not be less than _____________

Q. What is the final setting time?

Q. In the soundness test, the whole assembly is immersed in water for _______

Q. Final setting time of cement should not be more than _______

Q. Initial setting time of OPC should not be less than ___________

Q. What is the initial setting time?

Q. In cement hardening process ___________ instants are very important.

Q. The relative humidity of laboratory should be ___________ for standard consistency.

Q. What is the normal consistency for OPC?

Q. For making cement paste, what is the amount of water we need?

Q. Calculate standard consistency(%) when 100 ml of water is added in 1000 g of cement.

Q. Standard consistency of cement is tested by ___________

Q. Which of the following option is correct?

Q. How many moulds required for the compression strength test of cement?

Q. When the cement paste is tested within the gauging time. Here what is the value of gauging time?

Q. What is standard consistency?

Q. Why do we need Standard Consistency Test?

Q. Which apparatus is generally used to measure the soundness of the cement?

Q. What is the amount of water required to give the paste normal consistency for consistency test?

Recommended Subjects

Are you eager to expand your knowledge beyond Concrete Technology? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!