**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.

**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

**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

**4) The shape factor of a I section is**

(a) 1.2

(b) 1.5

(c) 2.0

(d) none of the above

**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

**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

**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

**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

**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

**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