# Structural Analysis MCQ Questions Answers Civil Engineering

## Structural Engineering Questions Answers – Civil Engineering MCQ

1) Degree of kinematic indeterminacy of a pin jointed plane frame is given by

a) 2j – r

b) j – 2r

c) 3j – r

d) 2j + r

where j is number of  joints and r is reaction components.

Option – a)

2) In the above case maximum moment at section 8 m from left support occurs when

(a) 10 kN load is on the section

(b) first 15 kN load is on the section

(c) second 15 kN is on the section

(d) 8 kN load is on the section

Option – c)

3) The degree of kinematic indeterminacy of a pin-jointed space frame is given by

a) 2j – r

b) 3j – r

c) j – 3r

d) j – 3r

Option – b)

4) The shape factor of a I section is

(a) 1.2

(b) 1.5

(c) 2.0

(d) none of the above

Option – d)

5) How is a truss, which undergoes rigid body translation for an arbitrary load, classified as ?

a) Determinate structure

b) Geometrically unstable structure

c) Statically unstable structure

d) Structurally unstable structure

Option – b)

6) The moment which makes all the fibres at the section to yield is known as

(a) flexural rigidity

(b) moment of resistance

(c) plastic moment capacity

(d) yield moment

Option – c)

7) The ordinates of influence line diagram for bending moment always have the dimension of

a) force

b) length

c) force x length

d) force/length

Option – b)

8) A uniformly distributed line load 60 kn per metre run of length 5 metres on a girder of span 16 metres. What is the maximum positive shear force at a section 6 metres from  the left end.

a) 140.625 kn

b) 65.625 kn

c) 90.625 kn

d) 45.625 kn

Option – a)

9) The maximum bending moment at the left quarter point of a simple beam due to crossing of UDL of length shorter than the span in the direction left to right, would occur after the load  had just crossed the section by

a) one-forth of its length

b) half of its length

c) three-fourth of its length

d) its full length

Option – c)

10) The horizontal thrust due to rise in temperature in a semicircular two hinged arch of radius R is proportional to

a) R

b) R2

c) 1/R

d) 1/R2