STRUCTURAL ANALYSIS QUIZ

While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of

zero moment of inertia

zero length

infinite length

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick up the correct statement for the web stiffeners.

d is the distance between flange angles or the clear distance between flanges

Vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d

All of these

For horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange

TRUE ANSWER : ?
YOUR ANSWER : ?

Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is

8

6

7

9

TRUE ANSWER : ?
YOUR ANSWER : ?

Effects of shear force and axial force on plastic moment capacity of a structure are respectively to

decrease and decrease

decrease and increase

increase and increase

increase and decrease

TRUE ANSWER : ?
YOUR ANSWER : ?

If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by

m + r + 2j

m + r – 3j

m – r + 2j

m + r – 2j

TRUE ANSWER : ?
YOUR ANSWER : ?

The degree of kinematic indeterminacy of a pin-jointed space frame is (where m, r and j have their usual meanings)

j-3r

3j-r

2j-r

j-2r

TRUE ANSWER : ?
YOUR ANSWER : ?

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

(i), (ii) and (iv)

(i), (ii) and (iii)

(i) and (ii)

only (i)

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick up the correct statement applicable to cased columns.

All of these

The surface and edges of the steel column should be provided a concrete cover not less than 50 mm

Single I-beam or channels back with or without flange plates may be used

TRUE ANSWER : ?
YOUR ANSWER : ?

The fixed support in a real beam becomes in the conjugate beam a

Free end

Roller support

Hinged support

Fixed support

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick up the incorrect statement from the following:

The gross section of the web of rolled I-beams is the depth of the beam multiplied by the web thickness

The gross section of the web of channels is the depth of the web multiplied by its thickness

None of these

The gross section of the web of plate girders is the depth of the web plate multiplied by its thickness

TRUE ANSWER : ?
YOUR ANSWER : ?