theory of structures MCQs – Page 4

Practise focused theory of structures questions with marked answers for exam preparation and subject revision.

theory of structures Mcqs
61. Pick up the correct statement from the following_______________?
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A. compared to its length, is called a stmt

B. All the above

C. vertical compression members are generally known as columns or stanchions

D. Deflection in lateral direction of a long column, is generally known as buckling

E. The structural member subjected to compression and whose dimensions are small as

62. Pick up the correct statement from the following?
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A. For channels, the shear centre does not coincide its centroid

B. All the above

C. For I sections, the shear centre coincides with the centroid of the cross section of the beam

D. The point of intersection of the bending axis with the cross section of the beam, is called shear centre

63. parabolic arch of span and rise , is given by The equation of a________________?
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A. y = 3h/l (1 x)

B. y = h/l (1 x )

C. y = 4h/l (1 x)

D. y = 2h/l (1 x)

64. The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called______________?
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A. Proof stress

B. Proof resilience

C. Proof load

D. Stiffness

65. A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised___________________?
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A. Brass experiences compressive force

B. All the above

C. Steel experiences tensile force

D. Composite beam gets subjected to a couple

66. In the truss, the force in the member AC is_______________?
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A. 6.25 t compressive

B. t compressive

C. t tensile

D. 8.75 t tensile

67. A road of uniform cross-section A and length L force P. The Youngs Modulus E of the material, is_________________?
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A. E = P. A/

B. E = P. L/

C. E = /A. L

D. E =/P. L

68. A truss containing j joints and m members, will be a simple truss if_________________?
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A. j = 3m 2

B. m = 3j 2

C. m = 2j 3

D. j = 2m 3

69. The force in BF of the truss shown in given figure, is_______________?
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A. 4t compression

B. 4.5t tension

C. 4t tension

D. 4.5t compression
70. The ratio of the area of cross-section of a circular section to the area of its core, is_______________?
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A. 16

B. 4

C. 12

D. 8

71. A shaft subjected to a bending moment M and a torque T, experiences__________________?
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A. Maximum bending stress = 32M d3

B. Maximum shear stress = 16 T d3

C. Both A. and B.

D. Neither A. nor B.

72. m1 and m2 are the members of two individual simple trusses of a compound truss. The compound truss will be rigid and determinate if__________________?
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A. m = m1 + m2

B. m = m1 + m2 + 1

C. m = m + m + 3

D. m = m1 + m2 + 2

73. A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is_________________?
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A. 0.307

B. 0.508

C. 0.407

D. 0.207
74. A short column (30 cm 20 cm) carries a load P 1 at 4 cm on one side and another load P2at 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_________________?
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A. 8/5

B. 3-Feb

C. 8-May

D. 2-Mar

75. The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due to flowing liquid, is__________________?
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A. 2

C. 1

D. 1

76. 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__________________?
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A. 4.25 cm

B. 2.75 cm

C. 3.00 cm

D. 3.50 cm

77. The force in CD of the truss shown in given figure, is________________?
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A. 3t compression

B. Zero

C. 1.5t compression

D. 3t tension

78. The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is_________________?
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A. WI/8

B. WI/4

C. WI/2

D. WI/12

79. Principal planes are subjected to_________________?
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A. Tangential stresses only

B. None of these

C. Normal stresses as well as tangential stresses

D. Normal stresses only
80. The assumption in the theory of bending of beams is_________________?
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A. Material is homogeneous

B. Material is isotropic

C. Youngs modulus is same in tension as well as in compression

D. All the above