MCQ INITIALLY CURVED BEAMS
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MCQ INITIALLY CURVED BEAMS
MCQ increases clarity as well as understanding of the stresses in an initially curved beams. The centroid axis does not coincide with the neutral axis. Maximum stress occurs on the inner side fibers.
Centroidal and neutral axes of an initially curved beam are

Intersecting

Coincident

Parallel

None
ANS©
Distance between the centroidal axis and neutral axis is represented by

X

Y

Z

None
ANS: (d)
Maximum stress in an initially curved beam is in the

Innermost fiber

Outermost fiber

Innermost as well as in outermost fibers

None
ANS: (a)
Minimum stress in an initially curved beam is in the

Outermost fiber

Innermost fiber

Innermost as well as in outermost fibers

None
ANS: (a)
In case of an initially curved beam, maximum stress is due to

Bending moment

Axial load

Axial load as well as bending moment

None
ANS: ©
Neural axis is as compared to the centroidal axis is

Away from the center of curvature

At the center of curvature

Towards the center of curvature

None
ANS: (c)
Stress variation in an initially curved beam is

Linear

Parabolic

Exponential

None
ANS: (d)
An initially curved beam has the stress variation

Hyperbolic

Parabolic

Linear

None
ANS: (c)
Minimum stress in the outermost fiber is

P/A

M/Z

P/A + M/Z

None
ANS: (d)
The outermost fiber has minimum stress equal to

M/Z

P/A

P/A – M/Z

None
ANS: (c)
In the innermost fiber, stress is

P/A – M/Z

M/Z

P/A

None
ANS: (d)
Outermost fiber has the stress

M/Z + P/A

M/Z

P/A

None
ANS: (c)
The initially curved beams are of

Three types

Four types

Only one type

None
ANS: (d)
Types of initially curved beams are of

Two

Four

three

None
ANS: (a)
Small curvature initially curved beam has

Ratio h/R > 1

Quantity h/R <1

h/R >2

None
ANS: (c)
Large curvature initially curved beam has

h/R> 1

h/R <2

h/R >2

None