# Structural Analysis Questions and Answers – DKI and DSI – I

This set of Structural Analysis Multiple Choice Questions & Answers (MCQs) focuses on “DKI and DSI – I”.

1. Which of the following loads are not carried by a beam?

Explanation: Flexural load is combination of shear and bending load and axial load is not carried by a beam.

2. Which of the following is carried by truss members?

Explanation: Truss members are only capable of carrying axial loads.

3. State whether the following statement is true or false.
Truss and column are different in physical appearance.
a) true
b) false

Explanation: Truss and columns are similar looking, it depends on how they are used.

4. State whether the following statement is true or false.
DSI is difference between external degree of indeterminacy and internal degree of indeterminacy.
a) true
b) false

Explanation: DSI is sum of external degree of indeterminacy and internal degree of indeterminacy.

5. Internal degree of indeterminacy of a beam/frame member is :-
a) always zero
b) always non-zero
c) can’t say
d) depends upon internal hinge

Explanation: If internal hinge is there then it won’t be 0 otherwise it is always zero.

6. What is the general from of equation for DSI of a planar frame?
a) R – 1 – c
b) R – 2 – c
c) R – 3 – c
d) R – 4 – c

Explanation: 3 equations are there in case of planar frame until some extra equations c is not there.
Here, R is no. of external reactions.
C is no. of extra equations.

7. What is the general from of equation for DSI of a space frame?
a) R – 4 – c
b) R – 5 – c
c) R – 6 – c
d) R – 7 – c

Explanation: 6 equations are there in case of planar frame until some extra equations c is not there.
Here, R is no. of external reactions.
C is no. of extra equations.

8. How many extra equations are possible if 3 hinges are there in a planar frame in relation to DSI?
a) 6
b) 9
c) 3
d) 1

Explanation: Each hinge gives one extra equation in case of planar frame.

9. How many extra equations are possible if 3 hinges are there in a space frame in relation to DSI?
a) 6
b) 9
c) 3
d) 1

Explanation: Each hinge gives three extra equation in case of planar frame.

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