MCQ- INITIALLY CURVED BEAMS

Posted by On March 25, 2020 0 Comment

https://www.mesubjects.net/wp-admin/post.php?post=2310&action=edit    Q. Ans. Simple stresses-1

https://www.mesubjects.net/wp-admin/post.php?post=6112&action=edit      Q. Ans. simple stresses-2

https://www.mesubjects.net/wp-admin/post.php?post=7658&action=edit     MCQ Simple stresses

https://www.mesubjects.net/wp-admin/post.php?post=4227&action=edit            MCQ Principal stresses-2

https://www.mesubjects.net/wp-admin/post.php?post=4223&action=edit            MCQ Principal stresses-1

https://www.mesubjects.net/wp-admin/post.php?post=3248&action=edit             Q. Ans. Principal stresses

https://www.mesubjects.net/wp-admin/post.php?post=1132&action=edit             Principal stresses-introduction

https://www.mesubjects.net/wp-admin/post.php?post=1129&action=edit           Principal stresses Analytical method

https://www.mesubjects.net/wp-admin/post.php?post=7429&action=edit          MCQ Shear stresses in beams-1

https://www.mesubjects.net/wp-admin/post.php?post=8001&action=edit         MCQ Shear stresses in beams-2

https://www.mesubjects.net/wp-admin/post.php?post=7433&action=edit          MCQ Bending & Axial Loading Combined

https://www.mesubjects.net/wp-admin/post.php?post=4303&action=edit          Shear stresses in beams

https://www.mesubjects.net/wp-admin/post.php?post=4290&action=edit        MCQ Bending Stresses Beams-2

https://www.mesubjects.net/wp-admin/post.php?post=4179&action=edit         MCQ Bending stresses in beams-1

https://www.mesubjects.net/wp-admin/post.php?post=10594&action=edit       MCQ Stresses in Rotating Discs

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

  1. Intersecting

  2. Coincident

  3. Parallel

  4. None

ANS©

Distance between the centroidal axis and neutral axis is represented by

  1. X

  2. Y

  3. Z

  4. None

ANS: (d)

Maximum stress in an initially curved beam is in the

  1. Innermost fiber

  2. Outermost fiber

  3. Innermost as well as in outermost fibers

  4. None

ANS: (a)

Minimum stress in an initially curved beam is in the

  1. Outermost fiber

  2. Innermost fiber

  3. Innermost as well as in outermost fibers

  4. None

ANS: (a)

In case of an initially curved beam, maximum stress is due to

  1. Bending moment

  2. Axial load

  3. Axial load as well as bending moment

  4. None

ANS: ©

Neural axis is as compared to the centroidal axis is

  1. Away from the center of curvature

  2. At the center of curvature

  3. Towards the center of curvature

  4. None

ANS: (c)

Stress variation in an initially curved beam is

  1. Linear

  2. Parabolic

  3. Exponential

  4. None

ANS: (d)

An initially curved beam has the  stress variation

  1. Hyperbolic

  2. Parabolic

  3. Linear

  4. None

ANS: (c)

Minimum stress in the outermost fiber is

  1. P/A

  2. M/Z

  3. P/A + M/Z

  4. None

ANS: (d)

The outermost fiber has minimum stress equal to

  1. M/Z

  2. P/A

  3. P/A – M/Z

  4. None

ANS: (c)

In the innermost fiber, stress is

  1. P/A – M/Z

  2. M/Z

  3. P/A

  4. None

ANS: (d)

Outermost fiber has the stress

  1. M/Z + P/A

  2. M/Z

  3. P/A

  4. None

ANS: (c)

The initially curved beams are of

  1. Three types

  2. Four types

  3. Only one type

  4. None

ANS: (d)

Types of initially curved beams are of

  1. Two

  2. Four

  3. three

  4. None

ANS:  (a)

Small curvature initially curved beam has

  1. Ratio h/R > 1

  2. Quantity h/R <1

  3. h/R >2

  4. None

ANS: (c)

Large curvature initially curved beam has

  1. h/R> 1

  2. h/R <2

  3. h/R >2

  4. None

ANS: (b)