ISRO Scientist or Engineer Civil 2017


For the following questions answer them individually

Question 1

The resultant of two forces each equal to P and acting at right angles is

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Question 2

Non coplanar concurrent forces are those forces which

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Question 3

The point through which the whole weight of the body acts, irrespective of its position, is known as

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Question 4

The moment of inertia of a rectangular section 3 cm wide and 4 cm deep about an axis passing through its centre of gravity and parallel to width is

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Question 5

Modulus of rigidity is the ratio of

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Question 6

Two bars of different materials and same size are subjected to the same tensile force. If the bars have unit elongation in the ratio of 3:5, then the ratio of modulus of elasticity of the two materials will be

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Question 7

Modular ratio of the two materials is the ratio of

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Question 8

The young’s modulus of a material is 150 GPa and Poisson’s ratio is 0.25, the modulus of rigidity of the material is

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Question 9

A body is subjected to a direct tensile stress of 300 MPa in one plane accompanied by a simple shear stress of 200 MPa. The maximum normal stress will be

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Question 10

vessel of 4 $$m^{3}$$ contains oil which weighs 30 kN. The specific weight of the oil is

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