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Prepare for RRB/SSC JE Civil 2019 | Building Material Quiz 3
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Question 1
In a concrete mix of proportion 1 : 3 : 6, the actual quantity of sand, which is judged to have undergone 15% bulking, per unit volume of cement, will be
Question 2
In mild steel specimens subjected to tensile test cycle, the elastic limit in tension is raised and the elastic limit in compression is lowered, This is called
Question 3
Consider the following statements :
The use of super plasticizers as admixture
1) increases compressive strength of concrete
2) permits lower water-cement ratio, thereby strength is increased
3) reduces the setting time of concrete
4) permits lower cement content, thereby strength is increased?
Which of these statements is/are correct?
The use of super plasticizers as admixture
1) increases compressive strength of concrete
2) permits lower water-cement ratio, thereby strength is increased
3) reduces the setting time of concrete
4) permits lower cement content, thereby strength is increased?
Which of these statements is/are correct?
Question 4
Disintegration of bricks masonry walls is primarily due to
1) Efflorescence
2) Magnesium sulphate in bricks
3) Calcined clay admixtures
4) Kankar nodules
Which of the a above statements are correct?
1) Efflorescence
2) Magnesium sulphate in bricks
3) Calcined clay admixtures
4) Kankar nodules
Which of the a above statements are correct?
Question 5
When a column is supported throughout its length either by masonry walls or by construction on all the sides, then its slenderness ratio is
Question 6
Maximum slenderness ratio for load-bearing masonry wall built in cement mortar, as per IS code, shall not exceed
Question 7
When provided with alternating courses of (a) all headers and (b) all stretchers, the front elevation of such brick masonry is designated as
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Sep 21ESE & GATE CE
