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06 Civil Engineering Quiz | RCC MCQ

1 >>Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by
 ?
  • (A) Rankine formula
  • (B) Rankine Grashoff formula
  • (C) Marcus formula
  • (D) Grashoff formula
2 >>For initial estimate for a beam design, the width is assumed
 ?
  • (A) 1/30th of span
  • (B) 1/20th of span
  • (C) 1/15th of span
  • (D) 1/25th of span
3 >>The number of treads in a flight is equal to
 ?
  • (A) risers minus one
  • (B) risers in the flight
  • (C) risers plus one
  • (D) none of these.

4 >>Pick up the incorrect statement from the following:
 ?
  • (A) In the heel slab of a retaining wall, rein forcement is provided at the top of the slab
  • (B) In the toe slab of a retaining wall, rein forcement is provided at the bottom of the slab
  • (C) In the stem of a retaining wall, reinforcement is provided near the earth side
  • (D) None of these.
5 >>For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is
 ?
  • (A) 1
  • (B) 34
  • (C) 4
  • (D) 2
6 >>Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than
 ?
  • (A) 24 diameter from the centre of the column
  • (B) 42 diameters from the inner edge of the column
  • (C) 42 diameters from the outer edge of the column
  • (D) 42 diameters from the centre of the column
7 >>As per I.S. 456 – 1978, the pH value of water shall be
 ?
  • (A) equal to 6
  • (B) not less than 6
  • (C) equal to 7
  • (D) less than 6

8 >>An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at
 ?
  • (A) 25°
  • (B) 35°
  • (C) 45°
  • (D) 55°
9 >>The effective span of a simply supported slab, is
 ?
  • (A) distance between the centres of the bearings
  • (B) clear span plus effective depth of the slab
  • (C) clear distance between the inner faces of the walls plus twice the thickness of the wall
  • (D) none of these.
10 >>The minimum number of main steel bars provided in R.C.C.
 ?
  • (A) octagonal columns is 8
  • (B) circular columns is 6
  • (C) rectangular columns is 4
  • (D) all
11 >>Thickened part of a flat slab over its supporting column, is technically known as
 ?
  • (A) column head
  • (B) capital
  • (C) drop panel
  • (D) none of these.

12 >>The diameter of longitudinal bars of a column should never be less than
 ?
  • (A) 6 mm
  • (B) 8 mm
  • (C) 10 mm
  • (D) 12 mm
13 >>The width of the flange of a T-beam should be less than
 ?
  • (A) breadth of the rib plus twelve times the thickness of the slab
  • (B) least of the above.
  • (C) one-third of the effective span of the T-beam
  • (D) distance between the centres of T-beam
14 >>In a combined footing if shear stress exceeds 5 kg/cm2, the nominal stirrups provided are
 ?
  • (A) 12 legged
  • (B) 8 legged
  • (C) 10 legged
  • (D) 6 legged
15 >>Cantilever retaining walls can safely be used for a height not more than
 ?
  • (A) 7m
  • (B) 6m
  • (C) 5m
  • (D) 4m
16 >>The maximum area of tension reinforcement in beams shall not exceed
 ?
  • (A) 0.01
  • (B) 0.04
  • (C) 0
  • (D) 0.05
17 >>The thickness of base slab of a retaining wall generally provided, is
 ?
  • (A) one fourth of the width of the steam at the bottom
  • (B) one-third of the width of the stem at the bottom
  • (C) width of the stem at the bottom
  • (D) one half of the width of the stem at the bottom
18 >>An R.C.C. column is treated as long if its slenderness ratio is greater than
 ?
  • (A) 60
  • (B) 30
  • (C) 40
  • (D) 50
19 >>Pick up the correct statement from the following:
 ?
  • (A) A pile is a slender member which transfers the load through its lower end on a strong strata
  • (B) A pile is a cylindrical body of concrete which transfers the load at a depth greater than its width.
  • (C) A pile is a slender member which transfers its load to the surrounding soil
  • (D) A pile is a slender member which transfers its load by friction
20 >>Post tensioning system
 ?
  • (A) was widely used in earlier days
  • (B) is not economical and hence not generally use
  • (C) is economical for large spans and is adopted now a days
  • (D) none of these.

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