Civil Engineering MCQs – Theory Of Structures Mcqs Latest
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Latest Civil Engineering MCQs
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Latest Theory Of Structures Mcqs
The most occurred mcqs of Theory Of Structures in past papers. Past papers of Theory Of Structures Mcqs. Past papers of Theory Of Structures Mcqs . Mcqs are the necessary part of any competitive / job related exams. The Theory Of Structures Mechanics Mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Theory Of Structures Mcqs. The Important series of Theory Of Structures Mcqs are given below:
The ratio of shear stress and shear strain of an elastic material, is________________?
A. Shear Modulus
B. Modulus of Rigidity
C. Modulus of Elasticity
D. Both A. and B
At yield point of a test piece, the material__________________?
A. Behaves in an elastic manner
B. Obeys Hooke’s law
C. Regains its original shape on removal of the load
D. Undergoes plastic deformation
The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is_________________?
A. 1.5
B. 1.0
C. 2.0
D. 3.0
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. 3/7
B. 2/7
C. 1/7
D. 2/5
In plastic analysis, the shape factor for a circular section, is_________________?
A. 1.6
B. 1.5
C. 1.7
D. 1.75
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/2A
B. F/A
C. 3F/2A
D. 2F/3A
For beams of uniform strength, if depth is constant______________?
A. Width b M
B. Width b 3 M
C. Width b M
D. Width b 1/M
Hydraulics And Fluid Mechanics Mcqs Latest
There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of_______________?
A. 2 : 1½ : 1
B. 1 : 1½ : 2
C. 1 : 1 : 2
D. None of these
The equivalent length of a column of length L, having both the ends hinged, is_______________?
A. L/2
B. L
C. 2L
D. L
Stress may be defined as_________________?
A. Force per unit volume
B. Force per unit length
C. Force per unit area
D. None of these
For permissible shear stress fs, the torque transmitted by a thin tube of mean diameter D and wall thickness t, is________________?
A. ( /2) t fs
B. D2t fs
C. ( /2) t fs
D. ( /4) fs
A three hinged arch is generally hinged at its supports and__________________?
A. At the crown
B. At one quarter span
C. Anywhere in the rib
D. None of these
A truss containing j joints and m members, will be a simple truss if_________________?
A. m = 2j – 3
B. m = 3j – 2
C. j = 2m – 3
D. j = 3m – 2
The locus of reaction of a two hinged semi-circular arch, is_________________?
A. Straight line
B. Circle
C. Parabola
D. Hyperbola
Civil Engineering MCQs – Theory Of Structures Mcqs Latest
Section modulus of a square section of side B and that of a circular section of The ratio of the diameter D, is___________________?
A. 3 /8
B. 3 /16
C. 2 /15
D. /16
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. C
C. D
D. E
a uniform circular bar of diameter d and length , which extends by an The deflection of amount under a tensile pull , when it carries the same load at its mid-span, is___________________?
A. e²l/3d²
B. el/2d
C. el²/3d²
D. e²l²/3d²
The equivalent length of a column of length L having one end fixed and the other end free, is______________?
A. 2L
B. L/2
C. L
D. L
The equivalent length is of a column of length having both the ends fixed, is_________________?
A. L
B. 2 L
C. L/2
D. L
A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending strain energy stored in the bar, is___________________?
A. 711 N mm
B. 511 N mm
C. 611 N mm
D. 411 N mm
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. WL3/8EL
B. WL3/3EL
C. WL3/24EL
D. WL3/48EL
Engineering Economy MCQs – Civil Engineering
In a shaft, the shear stress is not directly proportional to_________________?
A. Angle of twist
B. Radius of the shaft
C. Length of the shaft
D. Modulus of rigidity
Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known as________________?
A. Indeterminate beams
B. Compound beams
C. Determinate beams
D. Composite beams
Shear strain energy theory for the failure of a material at elastic limit, is due to_________________?
A. Guest or Trecas
B. Rankine
C. St. Venant
D. Von Mises
The S.F. diagram of a loaded beam shown in the given figure is that of________________?
A. A cantilever with an isolated load at the free end
B. A simply supported beam with uniformly distributed load
C. A simply supported beam with isolated central load
D. A cantilever with a uniformly distributed load
P = /4L² is the equation of Euler’s crippling load, if__________________?
A. Both the ends are hinged
B. Both the ends are fixed
C. One end is fixed and other end is free
D. One end is fixed and other end is hinged
A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100°C. If steel = 0.000012/C°, Esteel = 0.2 MN/mm2, the tensile force developed at a temperature of 50°C, is_________________?
A. 100 N/mm 2
B. 80 N/mm2
C. 120 N/mm2
D. 150 N/mm2
H V are the algebraic sums of the forces resolved horizontally and vertically respectively, M is the algebraic sum of the moments of forces about any point, for the equilibrium of the body acted upon____________________?
A. H = 0
B. M = 0
C. V = 0
D. All the above
cross sections of bronze and copper bars of equal lengt b c are their Ab and Ac are the respective stresses due to load P. If Pb and Pc are the loads shared by them, (where Eb and Ec are their modulii)____________________?
A. P = Pb + Pc
B. b c = Eb /Ec
C. P = Ab b + Ac b
D. All the above
MCQs of Civil Engineering Latest
In the cable shown in the given figure, the minimum tension occurs at___________________?
A. B
B. A
C. C
D. Between A and C
The locus of the end point of the resultant of the normal and tangential components of the stress on an inclined plane, is________________?
A. Parabola
B. Circle
C. Ellipse
D. Straight line
Co-efficient of wind resistance of a circular surface, is________________?
A. 1/3
B. 1/2
C. 2/3
D. 3/2
static equations i.e. H V M = 0, to a determinate structure, we may By applying the determine_________________?
A. Shear forces only
B. Supporting reactions only
C. Bending moments only
D. All the above
The force in AD of the truss shown in given figure, is________________?
A. 3.0t compression
B. 4.0t compression
C. 0.5t compression
D. 0.5t tension
The area of the core of a column of cross sectional area A, is_______________?
A. (1/6) A
B. (1/3) A
C. (1/12) A
D. (1/18) A
In case of principal axes of a section________________?
A. Difference of moment inertia is zero
B. Sum of moment of inertia is zero
C. Product of moment of inertia is zero
D. None of these
A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm². If the slope at the ends is 0.005 radian and the value of E = 0.2 × 106 N/mm2, the depth of the joist, is________________?
A. 200 mm
B. 300 mm
C. 250 mm
D. 400 mm
If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following_______________?
A. Q = S – F
B. Q = S + F
C. Q = F – S
D. Q = S × F
A material is said to be perfectly elastic if__________________?
A. It regains its original shape on removal of the load
B. It does not regain its original shape at all
C. It regains its original shape partially on removal of the load
D. None of these
If a concrete column 200 × 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15 Ec________________?
A. 274 MN
B. 264 MN
C. 284 MN
D. 294 MN
Pick up the correct statement from the following?
A. The pitch of a close coil spring, is very small
B. A wire wound in spiral form, is called a helical spring
C. The angle made by the coil with horizontal, is called the angle of helix
D. All the above
The ratio of maximum and average shear stresses on a rectangular section, is________________?
A. 1.25
B. 1
C. 1.5
D. 2.5
At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by_________________?
A. Maximum tensile stress at the section
B. Depth of the neutral axis
C. Depth of the section
D. Maximum compressive stress at the section
The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is_________________?
A. WI²/4
B. WI/2
C. WI²/8
D. WI²/12
The force in AC of the truss shown in the given figure, is_________________?
A. 4t compression
B. 4t tension
C. 5t tension
D. 5t compression
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. h/4
B. l/4
C. l
D. l
For calculating the permissible stress 0 y /[(1 + a(l/r)²] is the empirical formula, known as__________________?
A. Parabolic formula
B. Straight line formula
C. Perry’s formula
D. Rankine’s formula
For beams breadth is constant__________________?
A. Depth d
B. Depth d 3
C. Depth d M
D. Depth d 1/M
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_________________?
A. 3/2
B. 2/3
C. 8/5
D. 5/8
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. B joint
B. A joint
C. C joint
D. D joint
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. 0.407
C. 0.307
D. 0.508
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. 0.002
B. 0.001
C. 0.0025
D. 0.003
A compound truss may be formed by connecting two simple rigid frames, by_________________?
A. Three parallel bars
B. Three bars
C. Two bars
D. Three bars intersecting at a point
The ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is________________?
A. 2
B. 1
C. 3
D. 4
For determining the force in the member AB of the truss shown in the given figure by method of sections, the section is made to pass through AB, AD and ED and the moments are taken about___________________?
A. Joint B
B. Joint C
C. Joint D
D. Joint A
The degree of indeterminacy of the frame in the given figure, is__________________?
A. 2
B. 1
C. 3
D. Zero
A compound bar consists of two bars of equal length. Steel bar cross -section is 3500 mm2and that of brass bar is 3000 mm2. These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm2 and Eb = 0.1 MN/mm2, the stresses developed are___________________?
A. b = 10 N/mm2 s = 20 N/mm 2
B. b = 6 N/mm2 s = 12 N/mm2
C. b = 8 N/mm2 s = 16 N/mm2
D. b = 5 N/mm2 s = 10 N/mm2
The ratio of circumferential stress to the longitudinal stress in the walls of a cylindrical shell, due to flowing liquid, is__________________?
A. 1
B. ½
C. 1½
D. 2
The forces acting on the bar as shown in the given figure introduce________________?
A. Tensile stress
B. Compressive stress
C. Shear stress
D. None of these
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. wa²/27
B. wa/27
C. w²a
D. wa²
Strength of Materials MCQs – Civil Engineering
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 neutral fibre of the section
C. The inner most fibre of the section
D. The fibre everywhere
A road of uniform cross-section A and length L force P. The Young’s Modulus E of the material, is_________________?
A. E =/P. L
B. E = /A. L
C. E = P. L/
D. E = P. A/
The forces in the members of simple trusses, may be analysed by________________?
A. Method of joints
B. Graphical method
C. Method of sections
D. All the above
P = / L² is the equation for Euler’s crippling load if_________________?
A. One end is fixed and other end is free
B. Both the ends are hinged
C. Both the ends are fixed
D. One end is fixed and other end is hinged
If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span__________________?
A. S.F. will be zero throughout
B. Horizontal thrust is wl2/8h
C. B.M. will be zero throughout
D. All the above
The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is__________________?
A. 1/2
B. 1/4
C. 1
D. 2
Slenderness ratio of a long column, is_________________?
A. Radius of gyration divided by area of cross-section
B. Area of cross-section divided by least radius of gyration
C. Area of cross-section divided by radius of gyration
D. Length of column divided by least radius of gyration
The horizontal thrust on the ends of a two hinged semicircular arch of radius carrying_________________?
A. end, is
B. A uniforml 4/3
C. All the above
D. non of these
A shaft subjected to a bending moment M and a torque T, experiences__________________?
A. Maximum shear stress = 16 T d3
B. Maximum bending stress = 32M d3
C. Both A. and B.
D. Neither A. nor B.
Theory Of Structures Mcqs Latest – Civil Engineering Mcqs
For calculating the allowable stress of long columns known as_________________?
A. Perry’s formula
B. Parabolic formula
C. Straight line formula
D. Rankine’s formula
P=4²EI/L² is the equation of Euler’s crippling load if________________?
A. Both the ends are fixed
B. One end is fixed and other end is free
C. Both the ends are hinged
D. One end is fixed and other end is hinged
Pick up the correct statement from the following_______________?
A. The structural member subjected to compression and whose dimensions are small as
B. compared to its length, is called a stmt
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
Pick up the incorrect statement from the following: The torsional resistance of a shaft is directly proportional to___________________?
A. Angle of twist
B. Modulus of rigidity
C. Reciprocal of the length of the shaft
D. Moment of inertia of the shaft section
Pick up the correct statement from the following?
A. Tcp = m2 + T2)where letters carry their usual meanings
B. Mcg = M M2 + r2) where letters carry their usual meanings
C. The torque which when acting alone would produce maximum shear stress equal to the maximum shear stress caused by the combined bending and torsion, is called equivalent torque
D. All the above
Pick up the correct statement from the following?
A. For a uniformly distributed load, B.M. curve is a parabola
B. For a uniformly distributed load, the shear force varies linearly
C. For a load varying linearly, the shear force curve is a parabola
D. All the above
inertia of a rectangular section of width and depth about an axis passing The moment of through C.G. and parallel to its width is_______________?
A. BD3/6
B. BD²/6
C. BD3/12
D. B²D/6
Pick up the correct statement from the following?
A. Volumetric change in the cylinder due to liquid is (pd/2tE) (5/2 – 2/m)
B. Longitudinal strain in the walls of a cylinder due to liquid is (pd/2 tE) (1/2 – 1/m)
C. Hoop strain of the walls of a cylinder due to liquid is (pd/2tE) (1 – 1/2m)
D. All the above
For the close coil helical spring of the maximum deflection is__________________?
A. 2WD3n/d4N
B. WD3n/d4N
C. 4W²D3n/d4N
D. 8WD3n/d4N