Civil Engineering · all questions

Theory Of Structures
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Q21

If a concrete column 200 × 200 mm in cross-section is reinforced with four steel bars of 1200 mm² total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm² and E_s is 15 E_c

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Q22

Slenderness ratio of a long column, is

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Q23

The ratio of the area of cross-section of a circular section to the area of its core, is

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Q24

A truss containing j joints and m members, will be a simple truss if

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Q25

For beams breadth is constant,

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Q26

Flat spiral springs

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Q27

The ratio of lateral strain to axial strain of a homogeneous material, is known

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Q28

A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If α_steel = 0.000012/C°, E_steel = 0.2 MN/mm², the tensile force developed at a temperature of 50°C, is

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Q29

In case of principal axes of a section

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Q30

A close coil helical spring when subjected to a moment M having its axis along the axis of the helix

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Q31

The forces in the members of simple trusses, may be analysed by

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Q32

The moment of inertia of a triangular section (height h, base b) about its base, is

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Q33

Maximum shear stress theory for the failure of a material at the elastic limit, is known

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Q34

Total strain energy theory for the failure of a material at elastic limit, is known

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Q35

Maximum principal stress theory for the failure of a material at elastic point, is known

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Q36

The locus of reaction of a two hinged semi-circular arch, is

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Q37

The ratio of maximum shear stress to average shear stress of a circular beam, is

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Q38

P = \frac{4 π ^{2} E I}{L ^{2}}

is the equation of Euler's crippling load if

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Q39

The shape factor of standard rolled beam section varies from

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Q40

In plastic analysis, the shape factor for a circular section, is

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