MCQ Questions Civil Engineering Theory of Structures
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MCQ Questions Civil Engineering Theory of Structures - Set - 5
Question 1:
To determine the force in BD of the truss shown in the given figure a section is passed through BD, CD and CE, and the moments are taken about
A. A joint
B. B joint
C. C joint
D. D joint
Correct Answer – (C)
Question 2:
The strain energy due to volumetric strain
A. Is directly proportional to the volume
B. Is directly proportional to the square of exerted pressure
C. Is inversely proportional to Bulk modulus
D. All the above
Correct Answer – (D)
Question 3:
A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is
A. L/d
B. L/2d
C. (L/2d)²
D. (L/3d)²
Correct Answer – (C)
Question 4:
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
A. 0.207
B. 0.307
C. 0.407
D. 0.508
Correct Answer – (A)
Question 5:
In the truss shown in given figure the force in member DC is
A. 100 t compressive
B. 100 t tensile
C. Zero
D. Indeterminat
Correct Answer – (C)
MCQ Questions Civil Engineering Theory of Structures
Question 6:
he maximum deflection due to a uniformly distributed load w/unit length over entire span of a cantilever of length l and of flexural rigidly EI, is
A. wl3/3EI
B. wl4/3EI
C. wl4/8EI
D. wl4/12EI
Correct Answer – (C)
Question 7:
A compound truss may be formed by connecting two simple rigid frames, by
A. Two bars
B. Three bars
C. Three parallel bars
D. Three bars intersecting at a point
Correct Answer – (B)
Question 8:
A spring of mean radius 40 mm contains 8 action coils of steel (N = 80000 N/mm2), 4 mm in diameter. The clearance between the coils being 1 mm when unloaded, the minimum compressive load to remove the clearance, is
A. 25 N
B. 30 N
C. 35 N
D. 40 N
Correct Answer – (C)
Question 9:
If a solid shaft (diameter 20 cm, length 400 cm, N = 0.8 × 105 N/mm2) when subjected to a twisting moment, produces maximum shear stress of 50 N/mm 2, the angle of twist in radians, is
A. 0.001
B. 0.002
C. 0.0025
D. 0.003
Correct Answer – (C)
Question 10:
The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called
A. Stiffness
B. Proof resilience
C. Proof stress
D. Proof load
Correct Answer – (B)
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