Pick up the correct statement from the following: A wire wound in spiral form, i

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Question
Pick up the correct statement from the following:
Options
A. A wire wound in spiral form, is called a helical spring
B. The pitch of a close coil spring, is very small
C. The angle made by the coil with horizontal, is called the angle of helix
D. In the open coil helical spring, the angle of helix is comparatively large
E. All the above.

Correct Answer

All the above.

Theory of Structures problems

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1. Pick up the correct statement from the following:
Options
A. The structural member subjected to compression and whose dimensions are small as compared to its length, is called a stmt
B. The vertical compression members, are generally known as columns or stanchions
C. Deflection in lateral direction of a long column, is generally known as buckling
D. All the above.

6. A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised
Options
A. steel experiences tensile force
B. brass experiences compressive force
C. composite beam gets subjected to a couple
D. composite beam bends
E. All the above.

7. A short column (30 cm x 20 cm) carries a load P₁ at 4 cm on one side and another load P₂ at 8 cm on the other side along a principal section parallel to longer dimension. If the extreme intensity on either side is same, the ratio of P₁ to P₂ will be
Options
A.
B.
C.
D.

8. The eccentricity (e) of a hollow circular column, external diameter 25 cm, internal diameter 15 cm for an eccentric load 100 t for non-development of tension, is
Options
A. 2.75 cm
B. 3.00 cm
C. 3.50 cm
D. 4.25 cm
E. 5.0 cm

9. Maximum principal stress theory for the failure of a material at elastic point, is known
Options
A. Guest's or Trecas' theory
B. St. Venant's theory
C. Rankine's theory
D. Haig's theory
E. Von Mises's theory.

10. A steel plate d x b is sandwiched rigidly between two timber joists each D x B/2 in section. The moment of resistance of the beam for the same maximum permissible stress ? in timber and steel will be (where Young's modulus of steel is m times that of the timber).
Options
A.
B.
C.
D.

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