THEORY OF STRUCTURES QUIZ

P = 4π² EI/L² is the equation of Euler's crippling load if

One end is fixed and other end is free

Both the ends are hinged

One end is fixed and other end is hinged

Both the ends are fixed

TRUE ANSWER : ?
YOUR ANSWER : ?

For determining the support reactions at A and B of a three hinged arch, points B and Care joined and produced to intersect the load line at D and a line parallel to the load line through A at D’. Distances AD, DD’ and AD’ when measured were 4 cm, 3 cm and 5 cm respectively. The angle between the reactions at A and B is

45°

90°

30°

60°

TRUE ANSWER : ?
YOUR ANSWER : ?

The load on a spring per unit deflection, is called

Stiffness

Proof load

Proof resilience

Proof stress

TRUE ANSWER : ?
YOUR ANSWER : ?

For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is

0.707

0.303

0.505

0.404

TRUE ANSWER : ?
YOUR ANSWER : ?

Maximum shear stress theory for the failure of a material at the elastic limit, is known

St. Venant's theory

Guest's or Trecas' theory

Haig's theory

Rankine's theory

TRUE ANSWER : ?
YOUR ANSWER : ?

A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be,

14 M

13 M

16 m

15 M

TRUE ANSWER : ?
YOUR ANSWER : ?

Pick up the correct statement from the following:

In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area

In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment

In a loaded beam, the moment at which the first yield occurs is called yield moment

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

constant, depth of a cantilever of length of uniform strength loaded with Keeping breadth uniformly distributed load varies from zero at the free end and

w l) at the fixed end

3w l at the fixed end

l) at the fixed end

2w w l at the fixed end

TRUE ANSWER : ?
YOUR ANSWER : ?

A square column carries a load P at the centroid of one of the quarters of the square. If a is the side of the main square, the combined bending stress will be

3p/a²

2p/a²

4p/a²

p/a²

TRUE ANSWER : ?
YOUR ANSWER : ?

For beams of uniform strength, if depth is constant,

Width b M

Width b M 2

Width b 1/M

Width b 3 M

TRUE ANSWER : ?
YOUR ANSWER : ?