civil engineering MCQs – Page 40

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 Review each marked answer and report any item that may be outdated or unclear.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
781. The Youngs modulus of elasticity of steel, is__________________?
comments icon0
A. 275 KN/mm2

B. 200 KN/mm2

C. 250 KN/mm2

D. 150 KN/mm2

782. An R.C.C. column is treated as short column if its slenderness ratio is less than_______________?
comments icon0

A. 40

B. 30

C. 35

D. 50
783. The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes_______________?
comments icon0

A. With the perpendicular to the inclined plane of the soil

B. None of these

C. With the horizontal

D. With the vertical

784. In a combined footing if shear stress exceeds 5 kg/cm2, the nominal stirrups provided are______________?
comments icon0

A. 10 legged

B. 8 legged

C. 12 legged

D. 6 legged

785. Pick up the correct statement from the following?
comments icon0

A. Lateral reinforcement stops breaking away of concrete cover, due to buckling

B. All the above

C. Lateral reinforcement prevents the shearing of concrete on diagonal plane

D. Lateral reinforcement in R.C.C. columns is provided to prevent the longitudinal reinforcement from buckling

786. A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is______________?
comments icon0

A. 2

B. Less than 2.5

C. 2.5

D. Less than 2

787. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is_________________?
comments icon0

A. 30

B. 35

C. 40

D. 25

788. In a singly reinforced beam____________?
comments icon0

A. Elastic moduli for concrete and steel have different values within the limits of deformation of the beam

B. Steel possesses initial stresses when embedded in concrete

C. Compression is borne entirely by concrete

D. Plane sections transverse to the centre line of the beam before bending remain plane after bending
789. Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than____________?
comments icon0

A. 42 diameters from the inner edge of the column

B. 42 diameters from the centre of the column

C. 42 diameters from the outer edge of the column

D. 24 diameters from the centre of the column

790. If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella_________________?
comments icon0

A. more inclined when moving

B. more inclined when standing

C. none of the above

D. less inclined when moving

E. less inclined when standing
791. Which of the following is not the unit of work, energy and heat ?
comments icon0

A. kg m

B. kcal

C. hp

D. kWhr

E. hp hr

792. In a doubly-reinforced beam if and the effective depth and is depth of critical neutral axis, the following relationship holds good______________?
comments icon0

A. (t + c)/n = (d + n)/n

B. (m + c)/t = n/(d + n)

C. mc/t = n/(d n)

D. mc/t = (d n)/t

793. The thickness of base slab of a retaining wall generally provided, is_____________?
comments icon0

A. One fourth of the width of the steam at the bottom

B. Width of the stem at the bottom

C. One half of the width of the stem at the bottom

D. One -third of the width of the stem at the bottom

794. An R.C.C. column is treated as long if its slenderness ratio is greater than____________?
comments icon0
A. 50

B. 40

C. 30

D. 35

795. A pre-stressed concrete member__________________?
comments icon0
A. Possesses internal stresses

B. Is stressed after casting

C. Is made of reinforced concrete

D. Is made of concrete

796. The necessary condition for forces to be in equilibrium is that these should be_______________?
comments icon0

A. coplanar

B. meet at one point ;

C. both A. and B. above

D. all be equal

E. something else

797. The thickness of the topping of a ribbed slab, varies between________________?
comments icon0

A. 3 cm to 5 cm

B. 12 cm to 15 cm

C. 5 cm to 8 cm

D. 8 cm to 10 cm

798. In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength______________?
comments icon0

A. 100 kg/cm2

B. 300 kg/cm2

C. 200 kg/cm2

D. 400 kg/cm2
799. The maximum area of tension reinforcement in beams shall not exceed_______________?
comments icon0

A. 0.15%

B. 1%

C. 1.50%

D. 4 %
800. If p1 and P2 are effective lateral loadings at the bottom and top exerted by a level earth subjected to a super-load on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is____________________?
comments icon0

A. [( )/2] h

B. [( + )/2] h

C. ( h

D. [( + )/4] h