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SSC JE 2019-20: Technical Quiz 72

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Question 1

The light weight concrete is prepared by?

Question 2

Which is not the property of Autoclaved Aerated concrete?

Question 3

Which type of steel is formed by rapid cooling(quenching) of iron such that carbon atoms do not have time to diffuse out of the crystal structure?

Question 4

Which mortar is used for Guniting

Question 5

Which of the following statements are correct?
1) Light weight concrete exhibits better workability.
2) Pervious concrete contains a narrowly graded coarse aggregate and little to no fine aggregate.
3) As pervious concrete tends to be a low water content mixture with a very high surface area, immediate curing is required.

Question 6

Which of the following factors does not affect ultimate strength of concrete.

Question 7

Statement 1) The aim is to use the lowest allowable water cement ratio in concrete.
Statement 2) The increase in the water cement ratio causes the increase in the workability of concrete.

Question 8

The setting time of cement is determined using

Question 9

The deformation in concrete due to sustained loading is

Question 10

Which of the following admixture absorbs water and causes fall down of water cement ratio?
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May 23ESE & GATE CE