15 Questions
| Attempts: 1326

Questions and Answers

- 1.In case of principal axes of a section
- A.
Sum of moment of inertia is zero

- B.
Difference of moment inertia is zero

- C.
Product of moment of inertia is zero

- D.
None of these.

- 2.At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by
- A.
Depth of the section

- B.
Depth of the neutral axis

- C.
Maximum tensile stress at the section

- D.
Maximum compressive stress at the section

- E.
None of these.

- 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

- 4.Select the corrects 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

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

- B.
0.5mm

- C.
0.05mm

- D.
0.005mm

- 6.Pick up the correct statement from the following:
- A.
The moment of inertia is calculated about the axis about which bending takes place

- B.
If tensile stress is less than axial stress, the section experiences compressive stress

- C.
If tensile stress is equal to axial stress, the section experiences compressive stress

- D.
If tensile stress is more than axial stress, some portion of the section experiences a tensile stress

- E.
All the above.

- 7.The ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is
- A.
1

- B.
2

- C.
3

- D.
4

- 8.If in a rigid jointed space frame (6m + r) < 6j, then the frame is
- A.
Unstable

- B.
Stable and statically determinate

- C.
Stable and statically indeterminate

- D.
None of the above

- 9.No. of unknown internal forces in each member of a rigid jointed plane frame is
- A.
6

- B.
3

- C.
2

- D.
1

- 10.Gradually applied static loads do not change with time their
- A.
Magnitude

- B.
Direction

- C.
Point of application

- D.
All the above.

- 11.The normal and tangential components of stress on an inclined plane through θ° to the direction of the force, will be equal if θ is
- A.
45°

- B.
30°

- C.
60°

- D.
90°

- 12.In moment distribution method, the sum of the distribution factors of all the members meeting at any joint is always
- A.
Zero

- B.
Less than one

- C.
One

- D.
Greater than one

- 13.A body is said to be in equilibrium if
- A.
It moves horizontally

- B.
It moves vertically

- C.
It rotates about its C.G.

- D.
None of these.

- 14.The number of independent equations to be satisfied for static equilibrium of a plane structure is
- A.
1

- B.
2

- C.
3

- D.
6

- 15.The principle of virtual work can be applied to elastic system by considering the virtual work of
- A.
Internal forces only

- B.
External forces only

- C.
Internal as well as external forces

- D.
None of the above

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