R.C.C 2021 (EVEN)
(i) The spacing of stirrups near the supports is........
(a) Zero (b)
Minimum
(c) Maximum (d)
None of these
Ans.(b)
(ii) The limiting value of neutral axis depends on.....
(a) Type of steel only (b)
Grade of concrete only
(c) Both (a) and (b) (d)
None of these
Ans.(a)
(iii) The coefficient of thermal expansion of concrete is
nearly equal to.....
(a) Wood (b) Aluminium
(c) Copper (d) Steel
Ans.(d)
(iv) The ratio of maximum percentage of longitudinal
reinforcement that can be provided in a column is...
(a) 6 (b)
7.5
(c) 5 (d)
8
Ans.(a)
(v) Design of R.C.C. simply supported beams carrying
u.d.l. is based on the resultant bending moment at.....
(a) Every section (b)
Quarter span
(c) Supports (d) Mid span
Ans.(d)
(vi) When hooks are formed in deformed bars, the inter
nal radius of bend should be at least.......times the diameter of the bar.
(a) Two (b)
Three
(c) Four (d)
Five
Ans.(b)
(vii) In an under-reinforced concrete beam section,
(a) Concrete is fully stressed (b) Steel is fully stressed
(c) Both (a) and (b) (d)
None of these
Ans.(b)
(viii) The anchorage value of a 90" hook is
(a) 126 (b)
160
(c) 106 (d) 86.
Ans.(d)
(ix) When HYSD bars are used in place of mild the bond
strength....... steel,
(a) Increases (b)
Decreases
(c) Does not change (d) Becomes zero
Ans.(a)
(x) The length of straight portion of the bar beyond the
end of hook should be at least
(a)
Twice the diameter (b)
Thrice the diameter
(c) Four times the diameter. (d) Seven times the
diameter
Ans.(c)
(xi) According to I.S. 456-2000, side face reinforcement
should be provided when depth of a beam exceeds...
(a) 650 mm (b)
700 mm
(c) 725 mm (d)
750 mm
Ans.(d)
(xii) The moment of resistance of a T-beam is large due to
large......
(a) Tensile steel (b) Compressive steel
(c) Compressive area of flange (d) None of these
Ans.(c)
(xiii)...... is provided to distribute the concentrated
loads coning on the slab.
(a) Main reinforcement (b) Distribution
reinforcement
(c) Both (a) and (b) (d) None of these
Ans.(b)
(xiv) The minimum vertical headroom above any step should
be....
(a) 1.8 m (b)
2.8 m
(c) 2.1 m (d)
2.5 m
Ans.(c)
(xv) The decrease in stress caused in a pre-stressed beam
at constant strain is called
(a) Creep loss (b)
Relaxation
(c) Shrinkage (d) Transfer stress
Ans.(b)
(xvi) Critical section for punching shear in footings is at.......from
the face of column.
(a) Effective depth (b) Half the effective depth
(c) Twice the effective depth (d) None of these
Ans.(b)
(xvii) What is the minimum value of clear cover to the
reinforcement in foundations under soil?
(a) 50 mm (b)
40 mm
(c)
25 mm (d)
60 mm
Ans.(b)
(xviii) The live load to be considered for an accessible roof
is....
(a) 0.75 KN/M² (b) 1.5
KN/M2
(c) 2
KN/M² (d)
2.5 KN/M²
Ans.(b)
(xix) In the limit state method of design of structures, the
over-reinforced sections are.......
(a) Not permitted (b) Permitted
(c) Permitted only in extreme cases (d) None of these
Ans.(a)
(xx) The steel generally
(a) High carbon steel (b)
Mild steel
(c) Stainless steel (d)
High tension steel
Ans.(b)
 Multiple Choice Questions with Answer - Polytechnic Wallah){kind=link}
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