Piles are usually driven by________________?

Related Mcqs:

1. 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

2. 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

3. On piles, the drop must be at least_______________?

   A. 80 cm
   B. 100 cm
   C. 120 cm
   D. 140 cm

4. If P kg/m2 is the upward pressure on the slab of a plain concrete footing whose projection on either side of the wall is a cm, the depth of foundation D is given by________________?

   A. D = 0.00775 aP
   B. D = 0.0775 aP
   C. D = 0.07775 aP
   D. D = 0.775 Pa

5. If is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is________________?

   A. 0.3 H
   B. 0.4 H
   C. 0.5 H
   D. 0.7 H

6. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is______________?

   A. 35
   B. 25
   C. 30
   D. 20

7. mutually perpendicular principal stresses acting on a soil mass, the normal stress If p1 and p2 are________________?

   A. [(p – p p p to the principal plane carrying the principal stress p1, is:
   sin 2
   B. [(p – p p p cos 2
   C. [(p p p – p cos 2
   D. [(p p p – p /2] sin 2

8. A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is_____________________?

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

9. The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than________________?

   A. 4 mm
   B. 5 mm
   C. 6 mm
   D. 7 mm

10. An intermediate T-beam reinforced with two layers of tensile steel with clear cover 13 cm encasted with the floor of a hall 12 metres by 7 metres, is spaced at 3 metres from adjoining beams and if the width of the beam is 20 cm, the breadth of the flange is__________________?

    A. 300 cm
    B. 233 cm
    C. 176 cm
    D. 236 cm