Muller Breslau’s principle for obtaining influence lines is applicable to___________________?

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)

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_______________?

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

Sinking of an intermediate support of a continuous beam________________?

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. i and 4 are correct
B. 1 and 3 are correct
C. 2 and 3 are correct
D. 2 and 4 are correct

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 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