civil engineering MCQs – Page 51

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 Review each marked answer and report any item that may be outdated or unclear.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

1001. Pick up the correct statement from the following?
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A. For I sections, the shear centre coincides with the centroid of the cross section of the beam

B. For channels, the shear centre does not coincide its centroid

C. All the above

D. The point of intersection of the bending axis with the cross section of the beam, is called shear centre

1002. Pick up the correct statement from the following?
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A. 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

B. Tcp = m2 + T2)where letters carry their usual meanings

C. Mcg = M M2 + r2) where letters carry their usual meanings

D. All the above

1003. The equivalent length of a column of length L, having both the ends hinged, is_______________?
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A. L

B. 2L

C. L

D. L/2

1004. In the truss shown in the given figure, the force in member BC is______________?
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A. Indeterminate

B. 100 t compressive

C. 100 t tensile

D. Zero

1005. A material may fail if______________?
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A. Maximum shear stress exceeds

B. All the above

C. /2

D. Maximum strain exceeds /E

E. 0

1006. P = /4L is the equation of Eulers crippling load, if__________________?
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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

1007. Surge wave in a rectangular channel is an example of_________________?
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A. unsteady flow

B. steady flow

C. correct answer is?

D. uniform flow

E. non-uniform flow</strong>

1008. The force in CD of the truss shown in given figure, is________________?
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A. Zero

B. 1.5t compression

C. 3t tension

D. 3t compression

1009. If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is_______________?
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A. 3-Apr

B. 4

C. 2

D. 1

1010. For beams of uniform strength, if depth is constant______________?
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A. Width b 3 M

B. Width b 1/M

C. Width b M

D. Width b M

1011. The forces in the members of simple trusses, may be analysed by________________?
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A. Method of sections

B. Method of joints

C. Graphical method

D. All the above

1012. A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is________________?
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A. 5kN

B. lOkN

C. 20 kN

D. 15 kN

1013. 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/mm. 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________________?
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A. 200 mm

B. 400 mm

C. 300 mm

D. 250 mm

1014. The center of gravity of a triangle lies at the point of__________________?
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A. intersection of its altitudes

B. all of the above

C. intersection of bisector of angles

D. concurrence of the medians

E. intersection of diagonals

1015. A shaft rotating N.R.M. under a torque T, transmits a power_______________?
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A. /30 Newton metres/sec

B. /60 Newton metres/min

C. /60 Newton metres/sec

D. /30 Newton metres/min

1016. 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________________?
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A. 8-Jan

B. 1/16

C. 12-Jan

D. 10-Jan

1017. In the cable shown in the given figure, the minimum tension occurs at___________________?
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A. Between A and C

B. C

C. B

D. A

1018. Pick up the incorrect statement from the following _______________?
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A. The C.G. of a rectangle is at the inter-section of its diagonals

B. The C.G. of a circle is at its center

C. The C.G. of a semicircle is at a distance of r/2 from the center

D. The C.G. of a triangle is at the intersection of its medians

E. The C-G. of an ellipse is at its center

1019. 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____________________?
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A. H = 0

B. V = 0

C. All the above

D. M = 0

1020. 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_________________?
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A. wl3/3EI

B. wl4/8EI

C. wl4/12EI

D. wl4/3EI

Showing 1001 to 1020 of 6149 mcqs