Explore topic-wise MCQs in Civil Engineering.

This section includes 392 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.

51.

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
Answer» C. Proof stress
52.

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
Answer» E.
53.

The stiffness of the close coil helical spring is_________________?

A. d4N/8D3n
B. d4N/4D3n
C. 4D3N/d4n
D. 8D3N/d4n
Answer» B. d4N/4D3n
54.

The shape factor of standard rolled beam section varies from_______________?

A. 1.10 to 1.20
B. 1.20 to 1.30
C. 1.30 to 1.40
D. 1.40 to 1.50
Answer» B. 1.20 to 1.30
55.

The S.F. diagram of a loaded beam shown in the given figure is that of________________?

A. A simply supported beam with isolated central load
B. A simply supported beam with uniformly distributed load
C. A cantilever with an isolated load at the free end
D. A cantilever with a uniformly distributed load
Answer» E.
56.

The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is__________________?

A. 1/4
B. 1/2
C. 1
D. 2
Answer» E.
57.

The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is________________?

A. 1/8
B. 1/10
C. 1/12
D. 1/16
Answer» E.
58.

The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is___________________?

A. 1/8
B. 1/4
C. 1/2
D. 1/3
Answer» D. 1/3
59.

The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is_______________?

A. 1/2
B. 2/3
C. 1/4
D. 1/3
Answer» C. 1/4
60.

The ratio of the deflections of the free end of a cantilever due to an isolated load at 1/3rd and 2/3rd of the span, is________________?

A. 1/7
B. 2/7
C. 3/7
D. 2/5
Answer» C. 3/7
61.

The ratio of the area of cross-section of a circular section to the area of its core, is_______________?

A. 4
B. 8
C. 12
D. 16
Answer» E.
62.

The ratio of shear stress and shear strain of an elastic material, is________________?

A. Modulus of Rigidity
B. Shear Modulus
C. Modulus of Elasticity
D. Both A. and B
Answer» E.
63.

The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is_________________?

A. 1.0
B. 1.5
C. 2.0
D. 3.0
Answer» E.
64.

The ratio of maximum shear stress to average shear stress of a circular beam, is________________?

A. 2/3
B. 3/2
C. 3/4
D. 4/3
Answer» E.
65.

The ratio of maximum and average shear stresses on a rectangular section, is________________?

A. 1
B. 1.25
C. 1.5
D. 2.5
Answer» D. 2.5
66.

The ratio of lateral strain to axial strain of a homogeneous material, is known___________________?

A. Yield ratio
B. Hooke’s ratio
C. Poisson’s ratio
D. Plastic ratio
Answer» D. Plastic ratio
67.

The ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is________________?

A. 1
B. 2
C. 3
D. 4
Answer» E.
68.

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

A. ½
B. 1
C.
D. 2
Answer» E.
69.

The radius of gyration of a rectangular section (depth D, width B) from a centroidal axis parallel to the width is__________________?

A. D/2
B. D/√3
C. D/2√3
D. D/4√3
Answer» D. D/4√3
70.

The point of contraflexure is the point where_______________?

A. B.M. changes sign
B. B.M. is maximum
C. B.M. is minimum
D. S.F. is zero
Answer» B. B.M. is maximum
71.

The moment of inertia of a triangular section (height h, base b) about its base, is_______________?

A. bh²/12
B. b²h/12
C. bh3/12
D. b3h/12
Answer» D. b3h/12
72.

The moment of inertia of a circular section about any diameter D, is______________?

A. πd3/16
B. πd3/32
C. πd4/32
D. πd4/64
Answer» E.
73.

The maximum magnitude of shear stress due to shear force F on a rectangular section of area A at the neutral axis, is__________________?

A. F/A
B. F/2A
C. 3F/2A
D. 2F/3A
Answer» D. 2F/3A
74.

The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is______________?

A. WL3/3EL
B. WL3/8EL
C. WL3/24EL
D. WL3/48EL
Answer» E.
75.

The 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
Answer» D. wl4/12EI
76.

The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is_____________?

A. WL²/2EI
B. WL²/3EI
C. WL3/2EI
D. WL3/3EI
Answer» E.
77.

The maximum B.M. due to an isolated load in a three hinged parabolic arch, (span l and rise h) having one of its hinges at the crown, occurs on either side of the crown at a distance_______________?

A. l/4
B. h/4
C. l/2√3
D. l/3√2
Answer» D. l/3√2
78.

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

A. WI/2
B. WI²/4
C. WI²/8
D. WI²/12
Answer» D. WI²/12
79.

The locus of the moment of inertia about inclined axes to the principal axis, is______________?

A. Straight line
B. Parabola
C. Circle
D. Ellipse
Answer» E.
80.

The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is________________?

A. Circle
B. Parabola
C. Ellipse
D. Straight line
Answer» D. Straight line
81.

The locus of reaction of a two hinged semi-circular arch, is_________________?

A. Straight line
B. Parabola
C. Circle
D. Hyperbola
Answer» B. Parabola
82.

The load on a spring per unit deflection, is called______________?

A. Stiffness
B. Proof resilience
C. Proof stress
D. Proof load
Answer» B. Proof resilience
83.

The horizontal thrust on the ends of a two hinged semicircular arch of radius carrying_________________?

A. A uniforml 4/3
B. end, is
C. All the above
D. non of these
Answer» D. non of these
84.

The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with a uniformly distributed load l t per horizontal length is (where Ic is the M.I. at the crown, which varies as the slope of the arch)___________________?

A. 50/EIc
B. 100/EIc
C. 150/EIc
D. 200/EIc
Answer» E.
85.

The greatest load which a spring can carry without getting permanently distorted, is called_________________?

A. Stiffness
B. Proof resilience
C. Proof stress
D. Proof load
Answer» E.
86.

The general expression for the B.M. of a beam of length l is the beam carries M = (wl/2) x – (wx²/2)_______________?

A. A uniformly distributed load w/unit length
B. A load varying linearly from zero at one end to w at the other end
C. An isolated load at mid span
D. None of these
Answer» B. A load varying linearly from zero at one end to w at the other end
87.

The forces in the members of simple trusses, may be analysed by________________?

A. Graphical method
B. Method of joints
C. Method of sections
D. All the above
Answer» E.
88.

The forces acting normally on the cross section of a bar shown in the given figure introduce_______________?

A. Compressive stress
B. Tensile stress
C. Shear stress
D. None of these
Answer» B. Tensile stress
89.

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
Answer» D. None of these
90.

The forces acting normally on the cross section of a bar shown in the given figure introduce_____________?

A. Compressive stress
B. Tensile stress
C. Shear stress
D. None of these
Answer» C. Shear stress
91.

The force in EC of the truss shown in the given figure, is__________________?

A. Zero
B. 5t tension
C. 5t compression
D. 4t tension
Answer» D. 4t tension
92.

The force in CD of the truss shown in given figure, is________________?

A. 3t compression
B. 3t tension
C. Zero
D. 1.5t compression
Answer» D. 1.5t compression
93.

The force in BF of the truss shown in given figure, is_______________?

A. 4t tension
B. 4t compression
C. 4.5t tension
D. 4.5t compression
Answer» E.
94.

The force in BC of the truss shown in the given figure, is___________________?

A. 3.0 t compression
B. 3.0 t tension
C. t tension
D. t compression
Answer» D. t compression
95.

The force in AD of the truss shown in given figure, is________________?

A. 4.0t compression
B. 3.0t compression
C. 0.5t compression
D. 0.5t tension
Answer» D. 0.5t tension
96.

The force in AC of the truss shown in the given figure, is_________________?

A. 5t tension
B. 4t tension
C. 4t compression
D. 5t compression
Answer» C. 4t compression
97.

The equivalent length of a column of length L having one end fixed and the other end free, is______________?

A. 2L
B. L
C. L/2
D. L
Answer» B. L
98.

The equivalent length of a column of length L, having both the ends hinged, is_______________?

A. 2L
B. L
C. L/2
D. L
Answer» C. L/2
99.

The equivalent length is of a column of length having both the ends fixed, is_________________?

A. 2 L
B. L
C. L/2
D. L
Answer» D. L
100.

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__________________?

A. 2.75 cm
B. 3.00 cm
C. 3.50 cm
D. 4.25 cm
Answer» E.