Related Mcqs:

1. The length of the straight portion of a bar beyond the end of the hook, should be at least_______________?

   A. Twice the diameter
   B. Thrice the diameter
   C. Four times the diameter
   D. Seven times the diameter

2. According to I.S.: 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than______________?

   A. 5 cm
   B. 10 cm
   C. 15 cm
   D. 20 cm

3. According to I.S. 456, 1978 the thickness of reinforced concrete footing on piles at its edges, is kept less than______________?

   A. 20 cm
   B. 30 cm
   C. 40 cm
   D. 75 cm

4. Piles are usually driven by________________?

   A. Diesel operated hammer
   B. Drop hammer
   C. Single acting steam hammer
   D. All the above

5. The minimum head room over a stair must be_______________?

   A. 200 cm

   B. 205 cm

   C. 210 cm

   D. 230 cm

6. The breadth of a ribbed slab containing two bars must be between______________?

   A. 6 cm to 7.5 cm
   B. 8 cm to 10 cm
   C. 10 cm to 12 cm
   D. 12 cm to 15 cm

7. If a bent tendon is required to balance a concentrated load W at the centre of the span L, the central dip h must be at least________________?

   A. WL /P
   B. WL/2P
   C. WL/3P
   D. WL/4P

8. A pre-stressed concrete member is preferred because___________________?

   A. Its dimensions are not decided from the diagonal tensile stress
   B. Large size of long beams carrying large shear force need not be adopted
   C. Removal of cracks in the members due to shrinkage
   D. All the above

9. 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____________________?

   A. [( – )/2] h
   B. [( + )/4] h
   C. [( + )/2] h
   D. ( – h

10. If the loading on a pre-stressed rectangular beam, is uniformly distributed, the tendon to be provided should be_______________?

    A. Straight below centroidal axis
    B. Parabolic with convexity downward
    C. Parabolic with convexity upward
    D. Straight above centroidal axis