MCQ Questions Civil Engineering Structural Analysis
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MCQ Questions Civil Engineering Structural Analysis - Set - 4
Question 1:
For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal
i) of a stiffness matrix must be positive
ii) of a stiffness matrix must be negative
iii) of a flexibility matrix must be positive
iv) of a flexibility matrix must be nega¬tive
The correct answer is
a) (i) and (iii)
b) (ii) and (iii)
c) (i) and (iv)
d) (ii) and (iv)
Correct Answer – (A)
Question 2 :
Select the correct statement
a) Flexibility matrix is a square symmetrical matrix
b) Stiffness matrix is a square symmetrical matrix
c) both (a) and (b)
d) none of the above
Correct Answer – (C)
Question 3 :
Which of the following is not the displacement method ?
a) Equilibrium method
b) Column analogy method
c) Moment distribution method
d) Kani’s method
Correct Answer – (B)
Question 4 :
When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that
a) the head of the load reaches the section
b) the tail of the load reaches the section
c) the load position should be such that the section divides it equally on both sides
d) the load position should be such that the section divides the load in the same ratio as it divides the span
Correct Answer – (D)
Question 5 :
The maximum bending moment due to a train of wheel loads on a simply supported girder
a) always occurs at centre of span
b) always occurs under a wheel load
c) never occurs under a wheel load
d) none of the above
Correct Answer – (B)
MCQ Questions Civil Engineering Structural Analysis
Question 6:
To generate the j th column of the flexibility matrix
a) a unit force is applied at coordinate j and the displacements are calculated at all coordinates
b) a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates
c) a unit force is applied at coordinate j and the forces are calculated at all coordinates
d) a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates
Correct Answer – (A)
Question 7:
Study the following statements.
i) The displacement method is more useful when degree of kinematic indeterminacy is greater than the degree of static indeterminacy.
ii) The displacement method is more useful when degree of kinematic indeterminacy is less than the degree of static indeterminacy.
iii) The force method is more useful when degree of static indeterminacy is greater than the degree of kinematic indeterminacy.
iv) The force method is more useful when degree of static indeterminacy is less than the degree of kinematic indeterminacy.
The correct answer is
a) (i) and (iii)
b) (ii) and (iii)
c) (i) and (iv)
d) (ii) and (iv)
Correct Answer – (D)
Question 8:
When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when
a) the centre of gravity of the load system is midway between the centre of span and wheel load under consi-deration
b) the centre of span is midway between the centre of gravity of the load system and the wheel load under consideration
c) the wheel load under consideration is midway between the centre of span and the centre of gravity of the load system
d) none of the above
Correct Answer – (B)
Question 9:
When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies
a) less than the left half span
b) whole of left half span
c) more than the left half span
d) whole span
Correct Answer – (D)
Question 10:
A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be
a) 8 kN.m
b) 15 kN.m
c) 30 kN.m
d) 60 kN.m
Correct Answer – (C)
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