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Two columns 50 cm × 50 cm and 60 cm × 60 cm carry 80 tonnes and 120 tonnes of loads respectively. The centre to centre distance between columns is 5.00 metres. The permissible bearing capacity of the soil is 20 t/m2. If the footing is not to project more than 25 cm beyond the outside of the smaller column, pick up the correct design parameters of the footing from the following:

A. Distance of C.G. of the loads from the smaller column = 3.00 m

B. The length of the foundation slab = 7.00 m

C. Area of footing slab = 11.00 m2

D. All the above

Correct Answer :

D. All the above


Related Questions

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The lower half portion between crown and skew back of the arch, is called

A. Spandril

B. Haunch

C. Springing

D. Soffit

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4

Pick up the correct statement from the following:

A. Sand consists of coarse particles of silica formed due to the disintegration of rocks

B. The grains of sand are not affected by frost

C. Sand beds are permeable and do not allow water to rise up between pores due to capillary action

D. All the above

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4

In any good staircase, the maximum and minimum pitch respectively should be

A. 90° and 0°

B. 75° and 30°

C. 60° and 10°

D. 40° and 25°

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4

A pre-stressed concrete pile is

A. Easy to handle

B. Lighter in weight

C. Extremely durable

D. All the above

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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

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 size of a floor tile commonly used, is

A. 15 cm × 15 cm × 1.8 cm

B. 20 cm × 20 cm × 2 cm

C. 22.5 × 22.5 cm × 2.2 cm

D. All the above

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The lower edge of the pitched roof, from where the rain water of the roof surface drops down, is known as

A. Hip

B. Gable

C. Ridge

D. Eaves

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4

The least bearing capacity of soil is that of

A. Hard rock

B. Moist clay

C. Soft rock

D. Coarse sandy soil

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4

The dimensions of a half queen closer, are

A. 9 cm × 9 cm × 9 cm

B. 9 cm × 9 cm × 4.5 cm

C. 9 cm × 4.5 cm × 9 cm

D. 1.8 cm × 4.5 cm × 9 cm

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The inclined support at the ends of treads and rises of a stair, is known as

A. Baluster

B. Header

C. String

D. Beam

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Single Flemish bond consists of

A. Double Flemish bond facing and English bond backing in each course

B. English bond facing and double Flemish bond backing in each course

C. Stretcher bond facing and double Flemish bond backing in each course

D. Double Flemish bond facing and header bond backing in each course

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Pile foundations are suitable for

A. Water logged soils

B. Soft rocks

C. Compact soils

D. Multi-storeyed buildings

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4

The 19 cm × 9 cm side of a brick as seen in the wall face, is generally known as

A. Stretcher

B. Face

C. Front

D. Header

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The line of intersection of the surfaces of a sloping roof forming an external angle exceeding 180°, is

A. Ridge

B. Hip

C. Valley

D. None of these

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Which one of the following piles has a cast iron shoe even after removal of the hollow cylindrical steel casing?

A. Simplex pile

B. Pedestal pile

C. Vibro pile

D. Both (a) and (c) of the above

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4

The type of stone masonry in which stones of same height are laid in layers, is called

A. Random rubble masonry

B. Course rubble masonry

C. Uncoursed rubble masonry

D. Ashlar masonry

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The form Work including the props can be removed from beams, only after

A. 3 day

B. 7 days

C. 14 days

D. 21 days

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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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4

The type of roof suitable in plains where rainfall is meagre and temperature is high is

A. Pitched and sloping roof

B. Flat roof

C. Shell roof

D. None of the above

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4

For heavy embankments and dams, of height h, the depth of exploration of soil should not be less than

A. h/4

B. 1/2 h

C. h

D. 2 h

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4

The process of keeping concrete moist for a certain period after its finishing, is known as

A. Finishing of concrete

B. Curing of concrete

C. Placing of concrete

D. Compaction of concrete

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4

Assertion A : Shishum is used for decorative woodwork. Reason R : Shishum can be polished to an excellent finish. Select your answer according to the coding system given below:

A. Both A and R is true and R is the correct explanation of A

B. Both A and R is true but R is not the correct explanation of A

C. A is true but R is false

D. A is false but R is true

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The bearing capacity of a water logged soil can be improved by

A. Compacting the soil

B. Draining the soil

C. Increasing the depth of foundation

D. Grouting

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4

In jack arch floor, the rise is kept

A. 1/6th of the span

B. 1/8th of the span

C. 1/10th of the span

D. 1/12th of the span

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4

If the depth of an excavation is 20 metres, number of single stage well points to be installed at various levels, is

A. 5

B. 4

C. 3

D. 2

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Auger boring

A. Is the most primitive method for making a hole in the ground

B. Is generally employed in cohesive and other self soils above water table

C. Is most economical upto a depth of 5 metres

D. All the above

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The maximum bearing capacity of soil is that of

A. Black cotton soil

B. Loose fine sandy soil

C. Dry coarse sandy soil

D. Hard rocks

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In soft clay of low bearing capacity, the type of steel pile generally used, is

A. H-pile

B. Screw pile

C. Disc pile

D. Pipe pile

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The type of pointing in which upper side of mortar joints is kept about 12 mm inside the face of the masonry and bottom is kept flushed with face of wall, is

A. Truck pointing

B. Recessed pointing

C. Struck pointing

D. Grooved pointing