ISRO Scientist or Engineer Civil 2019

Instructions

For the following questions answer them individually

Question 21

The shingle is a

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Question 22

Bulking of sand is caused due to

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Question 23

The refractory bricks are used primarily to resist

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Question 24

The seasoning of timber is done for

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Question 25

The ornamental moulded course placed on the top of a wall is called

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Question 26

The type of truss suitable for a span of about 3 metreis

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Question 27

The unit of strain is

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Question 28

A steel bar of 8mm is heated from $$10^\circ$$ C to $$25^\circ$$ C and the bar is frée.to expand.The bar will induce

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Question 29

Modulus of rigidity is the ratio of

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Question 30

A body is subjected a Trevensile stress of 400 MPain one plane accompanied by a simple shear, stress of 150 MPa . The maximum normalstresswill be

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