Design of Reinforced Concrete Structures Mid - II, September - 2014

1.Maximum compressive stress in concrete for design purposes is based on a partial safety factor of
  • 1.15
  • 1.5
  • 1.85
  • 2.2
Answer: B
2.What is the minimum number of longitudinal bars provided in a reinforced concrete colum of circular cross-section
  • 4
  • 5
  • 6
  • 8
Answer: C
3.Deflection can be controlled, by using appropriate
  • aspect ratio
  • modular ratio
  • span depth ratio (l/d)
  • water ⁄cement ratio
Answer: C
4.What is the adoptable maximum spacing between vertical stirrrups in an Rcc beam of rectangular depth of 300mm?
  • 300mm
  • 275mm
  • 250mm
  • 225mm
Answer: D
5.What should be the maximum grade of reinforced concrete in and around sea coast construction?
  • m 35
  • m 30
  • m 25
  • m 20
Answer: A
6.Deep beams are designed for
  • shear force only
  • bending moment only
  • both (a)& b
  • bearing
Answer: B
7.Bending moment at the edges of a square vertical bunker due to a lateral pressure ‘p’ per unit area is
  • pl/12
  • pl/10
  • pl/16
  • pl/11
Answer: D
8.Magnitude of loss of prestress due to relation of steel is in the range of
  • zero to 1%
  • 2 to 8%
  • 8 to 12%
  • 12 to 14%
Answer: B
9.According to whitneys theory, the maximum depth of concrete stress block in a balanced r.c.c beam section of depth ‘d’is
  • 0.3d
  • 0.43d
  • 0.5d
  • 0.53d
Answer: D
10.The limits of percentage p of the longitudinal reinforcement in a column is given by
  • 0.15% to 27%
  • 0.8% to 4%
  • 0.8% to 6%
  • 0.8% to 8%
Answer: C
11.The load obtained by multiplying a characteristic load by an appropriate partial safety factor is called ……………………………….
Answer: Factored load
12.Long term value Ece = ………………………………
Answer: Ec / 1+ θ
13.l/d ratio for cantilever beam …………………………….
Answer: 7
14.Yield line theory results in …………………………….
Answer: Upper bound solution
15.Partial safety factor for steel ……………………………
Answer: 1.15
16.Diagonal tension reinforcement is provided in a beam as ……………….
Answer: Bent up bars
17.As per IS 456 the slope or pitch of the stairs should be in between ………………
Answer: 25° to 40°
18.When the line of action of the resultant compressive force coincide with the centre of gravity of the cross-section of the column, it is called as …………………
Answer: Axially loaded column
19.The side face reinforcement, if required in a T-beam will be ……………………
Answer: 0.1 % of the web area
20.The stretch b/w the two loadings is called ……………………………
Answer: Flight