civil engineering MCQs – Page 44

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 Review each marked answer and report any item that may be outdated or unclear.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

861. Based on punching shear consideration, the overall depth of a combined footing under a column A, is_______________?
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A. (Perimeter of column A Safe punching stress)/(Load on column A + Upward pressure Area of the column)

B. None of these

C. (Perimeter of column A Safe punching stress)/(Load on column A Upward pressure Area of the column)

D. (Area of the column A Safe punching stress)/Load on column A

862. For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to______________?
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A. 25

B. 15

C. 20

D. 10

863. The weight of reinforced concrete, is generally taken as______________?
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A. 2500 kg/m3

B. 2200 kg/m3

C. 2400 kg/m3

D. 2300 kg/m3

864. The amount of reinforcement for main bars in a slab, is based upon___________________?
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A. Maximum shear force

B. Minimum shear force

C. Maximum bending moment

D. Minimum bending moment

865. For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is____________________?
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A. 0.6

B. 0.9

C. 0.7

D. 0.8

866. The width of the flange of a T-beam, which may be considered to act effectively with the rib depends upon____________________?
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A. Breadth of the rib

B. Centre to centre distance between T-beams

C. Overall thickness of the rib

D. All the above

867. If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than____________________?
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A. 6 mm

B. 5 mm

C. 4 mm

D. 8 mm

868. From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate___________________?
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A. 0.25 cm

B. 0.5 cm

C. 2.5 cm

D. 1.0 cm

E. 1.5 cm

869. The advantage of a concrete pile over a timber pile, is_______________?
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A. No decay due to termites

870. High strength concrete is used in pre-stressed member________________?
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A. All the above

B. To provide high bond stresses

C. To overcome bursting stresses at the ends

D. To overcome high bearing stresses developed at the ends

871. Which of the following is the example of lever of first order________________?
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A. none of the above

B. all of the above

C. arm of man

D. pair of clinical tongs

E. pair of scissors

872. A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly________________?
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A. 96 m

B. 124 m

C. 62.5 m

D. 38 m

E. 240 m

873. The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm2, safe shear stress 5 kg/cm2 and B.M. 24 mt________________?
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A. Is safe in shear

B. Is unsafe in shear

C. Needs redesigning

D. Is over safe in shear

874. If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm2 and 1400 kg/cm2 respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, is__________________?
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A. 0.50%

875. The C.G. of a plane lamina will not be at its geometrical centre in the case of a______________?
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A. rectangle

B. equilateral triangle

C. square

D. circle

E. right angled triangle

876. The maximum frictional force which comes into play when a body just begins to slide over another surface is called_____________________?
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A. dynamic friction

B. kinematic friction

C. limiting friction

D. sliding friction

E. rolling friction

877. In actual machines______________?
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A. mechanical advantage is equal to velocity ratio

B. mechanical advantage is unity

C. none of the above

D. mechanical advantage is less than velocity ratio

E. mechanical advantage is greater than velocity ratio

878. The algebraic sum of moments of the forces forming couple about any point in their plane is________________?
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A. equal to the moment of the couple

B. constant

C. both of above are correct

D. both of above are wrong

E. none of the above

879. Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one________________?
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A. none of the above

B. circle

C. ellipse

D. hyperbola

E. parabola

880. Pick up the true statement from the following?
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A. In the absence of beams, it is easier to install piping

B. Plain ceiling provides the best property diffusing light

C. In the absence of beams, it is easier to paint

D. All the above

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