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4

Engineering news formula for obtaining safe bearing capacity of pile for drop hammer, is,

A. Q = Wh/6 (S + 2.5)

B. Q = Wh/2.5 (S + 6)

C. Q = (W × 6)/h (S + 2.5)

D. Q = (W × 2.5)/6 (S + h)

Correct Answer :

A. Q = Wh/6 (S + 2.5)


Related Questions

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Negative skin friction

A. Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile

B. Develops due to lowering of ground water

C. Both (a) and (b)

D. Neither (a) not (b)

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4

The lintels are preferred to arches because

A. Arches require more headroom to span the openings like doors, windows etc.

B. Arches require strong abutments to withstand arch thrust

C. Arches are difficult in construction

D. All of the above

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4

The form work from the sides of beams can be removed only after

A. 1 day

B. 4 days

C. 7 days

D. 14 days

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4

The bearing capacity of piles is determined by

A. Dynamic formula

B. Static formula

C. Pile load tests

D. All the above

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4

Pick up the correct statement from the following:

A. Cavity of a cavity wall should start near ground level

B. Cavity of a cavity wall should terminate near eaves level of sloping roof

C. Cavity of a cavity wall should terminate near coping of flat roof with parapet wall

D. All the above

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4

The service area in a building means the area occupied by

A. Stairs

B. Toilets

C. Light and shafts

D. All the above

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4

The floor is rubbed with oxalic acid, for making its surface

A. Free from voids

B. Glossy

C. Durable

D. Uniform

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4

The X-ray rooms are plastered with

A. Plaster of Paris

B. Barium plaster

C. Martin's cement

D. Keen's cement

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4

The type of footing which is used to transmit heavy loads through steel columns is

A. Raft foundation

B. Grillage foundation

C. Well foundation

D. Isolated footing

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4

Pick up the incorrect statement from the following:

A. Cement is added to lime mortar to increase its hydraulic properties only

B. Lime surkhi mortar is used for pointing the walls

C. Lime should be slaked before preparing lime mortar

D. High early strength concrete is generally used in cold weather

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4

The exterior angle between outer faces of a wall, is known as

A. Turn

B. Junction

C. Quion

D. All the above

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4

The disease of dry rot in timber is caused by

A. Lack of ventilation

B. Alternate wet and dry conditions

C. Complete submergence in water

D. None of the above

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4

Best type of piles for soft soil having little resistance to the flow of concrete, is

A. Simplex pile

B. Vibro pile

C. Raymond pile

D. Franki pile

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4

For plastering the exposed brick walls, the cement sand mortar should be

A. 1 : 2

B. 1 : 3

C. 1 : 4

D. 1 : 6

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4

In the construction of arches, sand box method is used for

A. Centring

B. Actual laying of arch work

C. Striking of centring

D. None of the above

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4

The arrangement made to support an unsafe structure temporarily, is known as

A. Shoring

B. Scaffolding

C. Underpinning

D. Jacking

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4

Gravels

A. Are cohesionless aggregates

B. Vary in size between 2 to 20 mm

C. Never swell when they come into contact with water

D. All the above

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The vertical members fixed between steps and hand rail, are known

A. Balusters

B. Strings

C. Newel posts

D. Soffits

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The pile which supports the load partly by friction and partly by resting on hard stratum, is called

A. Friction pile

B. Bearing pile

C. Friction bearing pile

D. Rough pile

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4

The Auger borings are not common

A. In soils that require lateral support

B. In cohesive soils

C. In soft soils

D. None of the above

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4

For each storey of a building, the depth of exploration should be

A. 1 metre

B. 2 metres

C. 3 metres

D. 4 metres

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4

Pick up the incorrect statement from the following:

A. In king post truss, one vertical post is used

B. In a queen post truss, one vertical post is used

C. In a queen post truss, two vertical posts are used

D. None of these

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4

If height of the first storey of a building is 3.2 m and riser is 13 cm, the number of treads required, is

A. 12

B. 18

C. 24

D. 25

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4

The portion of a brick cut across the width, is called

A. Closer

B. Half brick

C. Bed

D. Bat

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4

The entrained concrete is used in lining walls and roofs for making

A. Heat insulated

B. Sound insulated

C. Neither (a) nor (b)

D. Both (a) and (b)

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4

Pick up the correct statement from the following:

A. The sand in the sand pile is well compacted

B. The sand is kept moist at the time of placing and tamping

C. Sand piles are generally used under column loads

D. All of the above

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4

Arches in the form of masonry arcs struck from more than four centres, are called

A. Two curved arches

B. Gothic arches

C. Ogee arches

D. Drop gothic arches

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The triangular portion between any two adjacent arches and the tangent to their crowns, is

A. Haunch

B. Spandril

C. Soffit

D. Rise

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4

Which of the following metal sheets is most effective in preventing dampness?

A. Copper sheets

B. Lead sheets

C. Aluminium sheets

D. All the above

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4

Raft foundations are used for:

A. Providing increased area of foundation over poor bearing capacity of soil

B. Spanning over small soft or loose pockets

C. Counter acting the hydrostatic effect

D. All the above