# [Mock Test ] Theory of Structures Mock test – 1 || Civil Engineering Online tests

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1.

A body is said to be in equilibrium if

1 out of 25
2.

A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial  load W, the energy stored in the spring, is

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3.

The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due  to flowing liquid, is

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4.

The forces acting normally on the cross section of a bar shown in the given figure introduce

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5.

Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to

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6.

The load on a spring per unit deflection, is called

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7.

The yield moment of a cross section is defined as the moment that will just produce the yield stress in

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8.

Slenderness ratio of a long column, is

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9.

A simply supported beam A carries a point load at its mid span. Another identical beam B carries  the same load but uniformly distributed over the entire span. The ratio of the maximum  deflections of the beams A and B, will be

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10.

A cantilever of length is subjected to a bending moment at its free end. If EI is the flexural rigidity of the section, the deflection of the free end, is

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11.

The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a  bar, is

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12.

If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of  the material, the following relationship holds good

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13.

A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised

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14.

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

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15.

PEI/L² is the equation of Euler's crippling load if

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16.

Pick up the correct statement from the following:

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17.

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

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18.

In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is

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19.

Maximum strain theory for the failure of a material at the elastic limit, is known as

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20.

A simply supported beam carries varying load from zero at one end and w at the other end. If the length of the beam is a, the maximum bending moment will be

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21.

The forces acting on the bar as shown in the given figure introduce

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22.

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

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23.

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24.

If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span,

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25.

If Ix and Iy are the moments of inertia of a section about X and Y axes, the polar moment of inertia of the section, is

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