Structural Analysis Mcqs - Set 3

1)   The fixed support in a real beam becomes in the conjugate beam a___________________?

a. roller support
b. hinged support
c. fixed support
d. free end
Answer  Explanation 

ANSWER: free end

Explanation:
No explanation is available for this question!


2)   A simply supported beam deflects by 5 mm when it is subjected to a concentrated load of 10 kN at its centre. What will be deflection in a 1/10 model of the beam if the model is subjected to a 1 kN load at its centre ?

a. 5 mm
b. 0.5 mm
c. 0.05 mm
d. 0.005mm
Answer  Explanation 

ANSWER: 5 mm

Explanation:
No explanation is available for this question!


3)   For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is__________________?

a. 0.211 L
b. 0.25 L
c. 0.234 L
d. 0.5 L
Answer  Explanation 

ANSWER: 0.211 L

Explanation:
No explanation is available for this question!


4)   Sinking of an intermediate support of a continuous beam________________?
Consider the following statements
1. reduces the negative moment at support
2. increases the negative moment at support
3. reduces the positive moment at support
4. increases the positive moment at the centre of span


a. 1 and 4 are correct
b. 1 and 3 are correct
c. 2 and 3 are correct
d. 2 and 4 are correct
Answer  Explanation 

ANSWER: 1 and 4 are correct

Explanation:
No explanation is available for this question!


5)   When a load crosses a through type Pratt truss in the direction left to right, the nature of force in any diagonal member in the left half of the span would_______________?

a. change from compression to tension
b. change from tension to compression
c. always be compression
d. always be tension
Answer  Explanation 

ANSWER: change from compression to tension

Explanation:
No explanation is available for this question!


6)   The deformation of a spring produced by a unit load is called _________________?

a. stiffness
b. flexibility
c. influence coefficient
d. unit strain
Answer  Explanation 

ANSWER: flexibility

Explanation:
No explanation is available for this question!


7)   The width of the analogous column in the method of column analogy is _________________?

a. 2/EI
b. 1/EI
c. 1/2 EI
d. 1/4 EI
Answer  Explanation 

ANSWER: 1/EI

Explanation:
No explanation is available for this question!


8)   Muller Breslau’s principle for obtaining influence lines is applicable to___________________?
i) trusses
ii) statically determinate beams and frames
iii) statically indeterminate structures, the material of which is elastic and follows Hooke’s law
iv) any statically indeterminate structure
The correct answer is ?


a. (i), (ii) and (iii)
b. (i), (ii) and (iv)
c. (i) and (ii)
d. only (i)
Answer  Explanation 

ANSWER: (i), (ii) and (iii)

Explanation:
No explanation is available for this question!


9)   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
Answer  Explanation 

ANSWER: both A. and B.

Explanation:
No explanation is available for this question!


10)   A load ‘W is moving from left to right support on a simply supported beam of span T. The maximum bending moment at 0.4 1 from the left support is___________________?

a. 0.16 Wl
b. 0.20 Wl
c. 0.24 Wl
d. 0.25 Wl
Answer  Explanation 

ANSWER: 0.24 Wl

Explanation:
No explanation is available for this question!