dc-questions

       1. Plain concrete is strong in ………………..

(a)    Tension                       (b) compression     (c)shear      (d)bending

2.The material in which  steel is used along with cement concrete is called …………….

(a).R.C.C.        (b)CC                 (C)PCC         (d)SCC

3……………….. is the horizontal distance between centre to centre of walls

(a)span        (b)effective span        (c)spacing        (d)gauging

4. Cover is the  distance from the surface of concrete to surface of ……………….

(a)steel         (b)aggregate                  (c)cement        (d)centre of steel

5. Weight of 10mm diameter bar is …………..

(a)0.52        (b)0.62             (c)0.72         (d)0.82

6.The formwork may be constructed by the components of ……………………

(a)steel and cement    (b)steel and concrete     (c)cement and concrete  (d)steel and timber

7.The type of aggregate which passes through   IS sieve no.480 is ……… aggregate

(a)fine       (b)coarse         (c)medium        (d)mixed

8. For slabs and beams the grade of concrete mixed generally shouldnot be less than……….

(a)1:1:4                            (b)1:3:6       (c)1:2:4                        (d)none of these

9.For a simply supported slab of span  L the overall minimum thickness of slab should be………..

(a)L/35        (B)L/30      (C)L/20                 (D)L/12

10. In  a two way slab  the torsion steel is provided at …………

(a) top                 (b)bottom     (c)top and bottom          (d) corner

11.The minimum percentage of  reinforcement in RCC short column  is …………

(a)0.8%                     (b)2.5%                (c)6%                   (D)8%

12.Maximum number of steps  in a flight  of a stair case should be restricted  up to ………..

(a)30     (b)24    (c)12                      (d)16

13. The minimum size  of reinforcement bar in RCC column is …………..

(a)12mm                       (b)8mm                (c)10mm               (d)18mm

14. For RCC column is considered to be short column if effective length to the lease side ratio

Is less than ………….

(a)30                         (b)24                           (c)12                  (d)18

15.Minimum grade of concrete shall be used in RCC IS ………..

(A) M5        (B)M7.5              (C)M10                    (D)M15

16. In  a simply suppoerted  beam the value of BM  at support  will be

(a)maximum                   (b)zero                    (c)minimum      (d) three times

17.Beams in  which one end is fixed and the other end is free  is called ……………

(a)fixed beam                  (b)secondary beam                 (c)rectangular beam   (d) cantilever beam

18.Howmany number of  minimum main bars are provided in a RCC beam

(a)2nos     (b)3nos                       (c)4nos                   (d)6nos

19.Approximate percentage of steel reinforcement required for a beam is …………

(a)0.72%                   (b)1to2%                       (c)1to3%                     (d)1to4%

20.The slabs which are supported on four sides are known as ………………..

(a)T  beam            (b)oneway slab           (c)two way slab               (d)cantilever slab

21. In some cases the beam provided above  the slab is called …………………

(a)T   beam      (b)inverted  T  beam      (c)main beam      9d)continuous beam

22.A wall constructed  for the purpose of  retain natural earth bank  is called ………

(a)parapet wall      (b) retaining walll                         (C)DWARF WALL            (D) none of these

23.The type of cranking of bars which are turned at 45 degree  at a length of ……….

(a)L/2   to  L/3          (b)L/3 to L/4              (c)L/4 to L/5      (d)L/5  TO L/7

24.Hookes  to the reinforcement are provided at ……………. Of steel rods

(a)centre            (b)ends                      (c)sides                   (d)one fourth of length

25. Length of one steel bar is ………………(a)10m                          (b)12m                        9c)13m          (d)20m