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
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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
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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
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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
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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
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6) The deformation of a spring produced by a unit load is called _________________? a. stiffness b. flexibility c. influence coefficient d. unit strain
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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
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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)
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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
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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
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