civil engineering MCQs – Page 281

Practise multiple-choice questions from civil engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

civil engineering Mcqs

5601. A cantilever of length is subjected to a bending moment at its free end. If EI is the flexural rigidity of the section, the deflection of the free end, is_________________?
0

A. ML/3EI

B. ML/EI

C. ML/2EI

D. ML/2EI

5602. 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____________________?
0

A. H = 0

B. All the above

C. V = 0

D. M = 0

5603. Stress may be expressed in Newtons___________________?
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A. Per metre square (N/m2)

B. None of these

C. Per millimetre square (N/mm2)

D. Per centimetre square (N/cm2)

5604. In plastic analysis, the shape factor for a triangular section, is_________________?
0

A. 1.34

B. 2.5

C. 1.5

D. 2.34

5605. A steel plate d b is sandwiched rigidly between two timber joists each D B/2 in section. The steel will be (where Youngs modulus of steel is m times that of the timber)_________________?
0

A. BD + mbd)/6D]

B. BD + mbd)/4D]

C. BD3 + mbd3)/6D]

D. BD + mbd3)/4D]

5606. P = /4L is the equation of Eulers crippling load, if__________________?
0

A. Both the ends are fixed

B. Both the ends are hinged

C. One end is fixed and other end is free

D. One end is fixed and other end is hinged

5607. In the cable shown in the given figure, the minimum tension occurs at___________________?
0

A. Between A and C

B. C

C. A

D. B

5608. y/n) (1 a l/r), is For calculating the allowable stress of long columns. The empirical formula 0 known as_________________?
0

A. Straight line formula

B. Perrys formula

C. Rankines formula

D. Parabolic formula

5609. 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_________________?
0

A. L/5

B. L/3

C. L/2

D. L/4

5610. 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___________________?
0

A. b = 6 N/mm2 s = 12 N/mm2

B. b = 8 N/mm2 s = 16 N/mm2

C. b = 5 N/mm2 s = 10 N/mm2

D. b = 10 N/mm2 s = 20 N/mm 2

5611. Pick up the correct statement from the following_______________?
0

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

5612. Pick up the correct statement from the following?
0

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

5613. parabolic arch of span and rise , is given by The equation of a________________?
0

A. y = 3h/l (1 x)

B. y = h/l (1 x )

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

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

5614. 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

5615. 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

5616. In the truss, the force in the member AC is_______________?
0

A. 6.25 t compressive

B. t compressive

C. t tensile

D. 8.75 t tensile

5617. A road of uniform cross-section A and length L force P. The Youngs Modulus E of the material, is_________________?
0

A. E = P. A/

B. E = P. L/

C. E = /A. L

D. E =/P. L

5618. 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

5619. The force in BF of the truss shown in given figure, is_______________?
0

A. 4t compression

B. 4.5t tension

C. 4t tension

D. 4.5t compression

5620. The ratio of the area of cross-section of a circular section to the area of its core, is_______________?
0

A. 16

B. 4

C. 12

D. 8

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