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Theory of Structures 1

Total questions: 38

Worksheet time: 38mins

Name
Class
Date
1.

A beam having both ends restrained against translation and rotation. The fixed ends transfer bending stresses, increase the rigidity of the beam and reduce its maximum deflection.

a)

Fixed end beam

b)

Deformation of a beam

c)

Cantilever beam

d)

Simple beam

2.

Usually expressed in terms of its deflection from its original unloaded position

a)

Fixed end beam

b)

Deformation of a beam

c)

Cantilever beam

d)

Simple beam

3.

A bar subject to forces or couples that lie in a plane containing the longitudinal section of the bar

a)

Beam

b)

Column

c)

Wall

d)

Footing

4.

The method that dictates the types of reaction forces from the supporting members

a)

Beam supports

b)

Deformation of a beam

c)

Beam method

5.

A projecting beam supported at only one end fixed

a)

Fixed end beam

b)

Deformation of a beam

c)

Cantilever beam

d)

Simple beam

6.

A beam resisting on simple supports at both ends which are free to rotate and have no moment resistance

a)

Fixed end beam

b)

Deformation of a beam

c)

Cantilever beam

d)

Simple beam

7.

A simple beam extending beyond one of its supports. The overhanging reduces the positive moment at mid-span while developing a negative moment at the base of the cantilever over the support

a)

Overhanging beam

b)

Cantilever beam

c)

Propped beam

d)

Continuous beam

8.

A beam which is simply supported at one end and fixed at the other end

a)

Overhanging beam

b)

Cantilever beam

c)

Propped beam

d)

Continuous beam

9.

A beam extending over more than two supports in order to develop greater rigidity and smaller moments than a series of simple beams having similar spans and loading

a)

Overhanging beam

b)

Cantilever beam

c)

Propped beam

d)

Continuous beam

10.

A graphic representation of the variation in magnitude of the external shears present in a structure

a)

Shear diagram

b)

Moment diagram

c)

Positive shear

d)

Negative shear

11.

A graphic representation of the variation in magnitude of the bending moment present in a structure

a)

Shear diagram

b)

Moment diagram

c)

Positive shear

d)

Negative shear

12.

A net resultant of shear fumes that acts vertically upward on the left part of the structure being considered

a)

Positive moment

b)

Negative moment

c)

Positive shear

d)

Negative shear

13.

A net resultant of shear fumes that acts vertically downward on the left part of the structure being considered

a)

Positive moment

b)

Negative moment

c)

Positive shear

d)

Negative shear

14.

A bending moment that produces moment that produces a concave curvature at a section of a structure

a)

Positive moment

b)

Negative moment

c)

Positive shear

d)

Negative shear

15.

A bending moment that produces moment that produces a convex curvature at a section of a structure

a)

Positive moment

b)

Negative moment

c)

Positive shear

d)

Negative shear

16.

A point at which a structure changes curvature on convex to concave or vise versa as it deflects under a transverse load

a)

Inflection point

b)

Camber of beam

c)

Deformation of beam

d)

Moment of beam

17.

A slight convex curvature intentionally built into beam, girder, or truss to compensate for an anticipated deflection

a)

Inflection point

b)

Camber of beam

c)

Deformation of beam

d)

Moment of beam

18.

A type of slab where it is supported on two opposite side only thus structural action is only at one direction

a)

One way slab

b)

Two way slab

c)

Flat slab

d)

Ribbed slab

19.

Thickness of slab should not be less than?

a)

70 mm

b)

75 mm

c)

80 mm

d)

85 mm

20.

Spacing of temperature bars should not be greater than?

a)

500 mm

b)

475 mm

c)

450 mm

d)

425 mm

21.

If the slab is permanently exposed to the ground, minimum concrete cover is ______ clear.

a)

80 mm

b)

75 mm

c)

70 mm

d)

65 mm

22.

Parallel to the shorter side

a)

Main bars

b)

Temperature bars

23.

Parallel to the longer side

a)

Main bars

b)

Temperature bars

24.

Spacing of main bars should not be greater than?

a)

500 mm

b)

450 mm

c)

400 mm

d)

550 mm

25.

Spacing of main bars should not be lesser than?

a)

75 mm

b)

100 mm

c)

150 mm

d)

200 mm

26.

A type of slab where slabs that are supported on four sides and the ratio of longer span (l) to shorter span (b) is less than 2

a)

One way slab

b)

Two way slab

c)

Flat slab

d)

Waffle slab

27.

In this type of slab, loads will be carried in both directions. Main reinforcement is provided in both direction.

a)

One way slab

b)

Two way slab

c)

Flat slab

d)

Waffle slab

28.

Supported by beams in all four sides

a)

One way slab

b)

Two way slab

c)

Flat slab

d)

Waffle slab

29.

A type of slab supported directly by concrete columns without the use of beams

a)

One way slab

b)

Two way slab

c)

Flat slab

d)

Waffle slab

30.

The use of ___________ in flat slabs increase the shear strength of slab and reduce the moment in the slab by reducing the clear or effective span

a)

Column heads

b)

Drop panels

31.

The use of ___________ in flat slabs increase the shear strength of slab, increase negative moment capacity of slab, and stiffen the slab and hence reduce deflection

a)

Column heads

b)

Drop panels

32.

A type of slab that are either one-way or two-way system

a)

One way slab

b)

Two way slab

c)

Flat slab

d)

Waffle slab

33.

A column is considered to be a ___________ when the ratio of its effective length to its least lateral dimension does not exceed 12

a)

Short column

b)

Long column

34.

Short column failure

a)

Crushing failure

b)

Buckling failure

35.

If the ratio of the effective length to its least lateral dimension exceeds 12, it is a ____________.

a)

Short column

b)

Long column

36.

The distance between points of zero moment when the column is deflected in its fundamental elastic buckling mode

a)

Effective length of column

b)

Method of joints

c)

Method of sections

37.

The free-body diagram of any joint is a concurrent force system in which the summation of moment will be of no help.

a)

Effective length of column

b)

Method of joints

c)

Method of sections

38.

In this method, we cut the truss into two sections by passing a cutting plane through the members whose internal forces we wish to determine.

a)

Effective length of column

b)

Method of joints

c)

Method of sections