# Practice Test: Question Set - 02

**1. For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust**

- (A) Is increased

- (B) Is decreased

- (C) Remains unchanged

- (D) Becomes zero

**2. 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 coordinate 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 coordinate ‘j’
and the displacements are calculated at all coordinates

**3. A load '**

*W*is moving from left to right support on a simply supported beam of span ‘*T*’. The maximum bending moment at 0.41 from the left support is- (A) 0.16

*WL*

- (B) 0.20

*WL*

- (C) 0.24

*WL*

- (D) 0.25

*WL*

**4. In the displacement method of structural analysis, the basic unknowns are**

- (A) Displacements

- (B) Force

- (C) Displacements and forces

- (D) None of the above

**5. A rigid-jointed plane frame is stable and statically determinate if**

- (A) (

*m*+

*r*) = 2

*j*

- (B) (

*m*+

*r*) = 3

*j*

- (C) (3

*m*+

*r*) = 3

*j*

- (D) (

*m*+ 3

*r*) = 3

*j*

**Where**

*m*is number of members,*r*is reaction components and*j*is number of joints**6. In moment distribution method, the sum of distribution factors of all the members meeting at any joint is always**

- (A) Zero

- (B) Less than 1

- (C) 1

- (D) Greater than 1

**7. 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

**8. 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*

**9. 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)

**10. In column analogy method, the area of an analogous column for a fixed beam of span ‘L’ and flexural rigidity ‘EI’ is taken as**

- (A)

*L*/

*EI*

- (B)

*L*/

*2EI*

- (C)

*L*/

*3EI*

- (D)

*L*/

*4EI*

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