MCQ Questions Civil Engineering Theory of Structures
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MCQ Questions Civil Engineering Theory of Structures - Set - 3
Question 1:
A body is said to be in equilibrium if
A. It moves horizontally
B. It moves vertically
C. It rotates about its C.G.
D. None of these
Correct Answer – (D)
Question 2:
Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to
A. Modulus of rigidity
B. Angle of twist
C. Reciprocal of the length of the shaft
D. Moment of inertia of the shaft section
Correct Answer – (D)
Question 3:
If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good
A. E = 3K (1 – 2/m)
B. E = 2N (1 + 1/m)
C. (3/2)K (1 – 2/m) = N (1 + 1/m)
D. All the above
Correct Answer – (D)
Question 4:
If Ix and Iy are the moments of inertia of a section about X and Y axes, the polar moment of inertia of the section, is
A. (IX + IY)/2
B. (IX – IY)/2
C. IX + IY
D. (I /I )
Correct Answer – (C)
Question 5:
In case of a simply supported I-section beam of span L and loaded with a central load W, the length of elasto-plastic zone of the plastic hinge, is
A. L/2
B. L/3
C. L/4
D. L/5
Correct Answer – (D)
MCQ Questions Civil Engineering Theory of Structures
Question 6:
Gradually applied static loads do not change with time their
A. Magnitude
B. Direction
C. Point of application
D. All the above
Correct Answer – (D)
Question 7:
The forces acting on the bar as shown in the given figure introduce
A. Compressive stress
B. Tensile stress
C. Shear stress
D. None of these
Correct Answer – (C)
Question 8:
A simply supported beam carries varying load from zero at one end and w at the other end. If the length of the beam is a, the maximum bending moment will be
A. wa/27
B. wa²/27
C. w²a
D. wa²
Correct Answer – (D)
Question 9:
The yield moment of a cross section is defined as the moment that will just produce the yield stress in
A. The outer most fibre of the section
B. The inner most fibre of the section
C. The neutral fibre of the section
D. The fibre everywhere
Correct Answer – (A)
Question 10:
A road of uniform cross-section A and length L force P. The Young’s Modulus E of the material, is
A. E = /A. L
B. E =/P. L
C. E = P. L/
D. E = P. A/
Correct Answer – (C)
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