Gate Civil Engineering Structural Engineering Paper-3

Test Preparation on Gate Civil Engineering Structural Engineering Paper -3

1.

The change in the slope between two points in a straight member under flexure is equal to the area of the M/E1 diagram between those two points. This statement is known as

1Conjugate beam theorem
2Mecaulay’s theorem
3Moment area theorem
4Castigliano’s theorem

2.

Deflection at a point in a beam in the direction perpendicular to its original straight-line position
measured from the tangent to the elastic curve at another point is given by the moment of
diagram about the point where deflection is required. This statement is known as

1Conjugate beam theorem
2Mecaulay’s theorem
3Moment area theorem
4Castigliano’s theorem

3.

The conjugate beam of a cantilever with end A fixed and end B is free is

1end A fixed end B is free
2end A is hinged end B is simply supported
3end A is free end B hinged
4end A is free end B is fixed

4.

A beam has end A fixed end B is on the roller and there is an internal hinge at C. Its conjugate beam is-

1end A free, end B and C on roller
2end A is hinged, end B fixed, C on roller
3end A is free, end B fixed, C hinged
4end A is fixed, and B hinged, C hinged

5.

Beam ABC has hinged end at A, simple support at B and free end at C. Its conjugate beam has

1fixed end at A, internal hinge at B and hinged end at C
2hinged end at A, internal hinge at B and fixed end at C
3hinged end at A, roller supports at B and C
4roller support at A and B and fixed support at C

6.

Which one of the following is wrong with respect to strain energy method for finding deflection?

1Structure should be subjected to a single concentrated load.
2Deflection can be found only at the loaded point.
3Deflection can be found only in the direction of load.
4Deflection can be found at any point in desired direction.

7.

Virtual work means
A. Work done by real forces due to hypothetical displacements
B. Work done by hypothetical forces during real displacements

1Both A and B correct
2A is correct and B is wrong
3A is wrong and B is correct
4Both A and B are wrong

8.

If a rigid body is in equilibrium under a system of forces the virtual work done by this system of forces during virtual displacement is zero. This principle is known as

1work energy principle
2Mecaulay’s principle
3Bernauli’s principle
4Castigliano’s principle

9.

If a body in equilibrium under a system of forces is given virtual deformation, the virtual work
done by the system of forces is equal to the internal virtual work done by the stresses due to that
system of forces’. The above principle is applicable to deformations due to

1loads
2settlement of support
3lack of fit
4all the above cases

10.

‘In a linearly elastic structure, partial derivative of the strain energy with respect to a load is
equal to the deflection of the point where the load is acting, the deflection being measured in the
direction of the load’. This is known as

1Castigliano’s theorem
2Bernauli’s theorem
3work energy principle
4unit load method

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