The foundation which consists of a thick reinforced cement slab covering whole area to support heavy concentrated structural loads, is known as (A) Combined footing (B) Strap footing (C) Raft footing (D) None of these

The foundation which consists of a thick reinforced cement slab covering whole area to support
heavy concentrated structural loads, is known as
(A) Combined footing
(B) Strap footing
(C) Raft footing
(D) None of these
by

1 Answer

Answer :

Option C
by

Related questions

To support a heavy structure in sandy soil, the type of foundation generally used, is (A) Combined footing (B) Raft footing (C) Pier footing (D) Strap footing

Description : To support a heavy structure in sandy soil, the type of foundation generally used, is (A) Combined footing (B) Raft footing (C) Pier footing (D) Strap footing

Last Answer : Answer: Option C

State the necessity of providing (i) Combined column footing and (ii) Raft foundation

Description : State the necessity of providing (i) Combined column footing and (ii) Raft foundation

Last Answer : (i) Combined column footing:- A combined footing provided as a column for two or more columns in a row. Combine footing is also provided when the columns are very near to each other and ... total individual footing area of all columns exceeds 50% of built up area of building at ground floor.

Raft foundation are generally preferred to when the area required for individual footing, is more than (A) 25% to total area (B) 30% of total area (C) 40% to total area (D) 50% of total area

Description : Raft foundation are generally preferred to when the area required for individual footing, is more than (A) 25% to total area (B) 30% of total area (C) 40% to total area (D) 50% of total area

Last Answer : Option D

The foundation in which a cantilever beam is provided to join two footings, is known as (A) Strip footing (B) Strap footing (C) Combined footing (D) Raft footing

Description : The foundation in which a cantilever beam is provided to join two footings, is known as (A) Strip footing (B) Strap footing (C) Combined footing (D) Raft footing

Last Answer : Answer: Option B

For the construction of flyovers in sandy soils, the type of foundation provided, is (A) Strap footing (B) Raft footing (C) Combined footing (D) Pier footing

Description : For the construction of flyovers in sandy soils, the type of foundation provided, is (A) Strap footing (B) Raft footing (C) Combined footing (D) Pier footing

Last Answer : Answer: Option D

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

Description : 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

Last Answer : Option B

For a number of columns constructed in a rcjw, the type of foundation provided, is (A) Footing (B) Raft (C) Strap (D) Strip

Description : For a number of columns constructed in a rcjw, the type of foundation provided, is (A) Footing (B) Raft (C) Strap (D) Strip

Last Answer : Answer: Option D

Explain raft foundation with neat sketch and explain its suitability.

Description : Explain raft foundation with neat sketch and explain its suitability. 

Last Answer : Raft Footing: It is suitable where ground is soft. Clayey or marshy having low bearing capacity, and where sub soil water conditions are uncertain. The raft foundation is also used to reduce settlement below highly compressible soils

For different layers of cement concrete floor. Pick up the incorrect statement from the following: (A) The lowest layer consists of consolidated ground (B) A 10 cm thick clean sand is laid on consolidated ground (C) A 10 cm lime concrete (1 : 4 : 8) is laid on clean sand (D) A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer

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Last Answer : Option D

Cast iron piles (A) Are suitable for works under sea water (B) Resist shocks or vibrations (C) Are suitable for use as batter piles (D) Are useful for heavy vertical loads

Description : Cast iron piles (A) Are suitable for works under sea water (B) Resist shocks or vibrations (C) Are suitable for use as batter piles (D) Are useful for heavy vertical loads

Last Answer : Option D

Cast iron piles (A) Are suitable for works under sea water (B) Resist shocks or vibrations (C) Are suitable for use as batter piles (D) Are useful for heavy vertical loads

Description : Cast iron piles (A) Are suitable for works under sea water (B) Resist shocks or vibrations (C) Are suitable for use as batter piles (D) Are useful for heavy vertical loads

Last Answer : Answer: Option D

Grillage foundation (A) Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity (B) Is light and economical (C) Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth (D) All the above

Description : Grillage foundation (A) Is used to transfer heavy structural loads from steel columns to a soil having low bearing capacity (B) Is light and economical (C) Does not require deep cutting as the required base area with required pressure intensity is obtained at a shallow depth (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) Isolated footing is provided under column to transfer the load safely to soil bed (B) Column footings may have steps or projections in the concrete base (C) Heavily loaded column base must be provided steel reinforcement in both directions (D) All the above

Description : Pick up the correct statement from the following: (A) Isolated footing is provided under column to transfer the load safely to soil bed (B) Column footings may have steps or projections in the ... ) Heavily loaded column base must be provided steel reinforcement in both directions (D) All the above

Last Answer : Option D

In soils possessing low bearing capacity, the type of foundation generally provided, is (A) Column footing (B) Grillage footing (C) Raft footing (D) All the above

Description : In soils possessing low bearing capacity, the type of foundation generally provided, is (A) Column footing (B) Grillage footing (C) Raft footing (D) All the above

Last Answer : Option D

Pick up the correct statement from the following: (A) A combined footing is so proportioned that centre of gravity of supporting area coincides with centre of gravity of two column loads (B) A combined footing may be either rectangular or trapezoidal in shape (C) Trapezoidal shaped footings may be provided under any loading (D) All the above

Description : Pick up the correct statement from the following: (A) A combined footing is so proportioned that centre of gravity of supporting area coincides with centre of gravity of two column loads (B) A ... in shape (C) Trapezoidal shaped footings may be provided under any loading (D) All the above

Last Answer : Answer: Option D

Pitched and sloping roofs are suitable for (A) Coastal regions (B) Plain regions (C) Covering large areas (D) All of the above

Description : Pitched and sloping roofs are suitable for (A) Coastal regions (B) Plain regions (C) Covering large areas (D) All of the above

Last Answer : Option A

Higher pitch of the roof (i) Results in stronger roof (ii) Results in weaker roof (iii) Requires more covering material (iv) Requires less covering material The correct answer is (A) (i) and (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv)

Description : Higher pitch of the roof (i) Results in stronger roof (ii) Results in weaker roof (iii) Requires more covering material (iv) Requires less covering material The correct answer is (A) (i) and (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv)

Last Answer : Option A

Describe the procedure of laying a floor finish on a newly constructed slab.

Description : Describe the procedure of laying a floor finish on a newly constructed slab.

Last Answer : 1. Slab is cleared off from loose mortar deposited during plaster work and level the surface. 2. Chalk out the marking on wall @ 0.6 m above the slab surface in one level. 3. Construct mortar dots at four ... and lay the tile in line and level. 8. Repeat point no 7 procedure up to door corner.

Suggest relevant type of foundation with sketch for educational building on black cotton soil with justification.

Description : Suggest relevant type of foundation with sketch for educational building on black cotton soil with justification. 

Last Answer : Black cotton soil- Pile foundation. In case the depth of black cotton soil is more, the following type of foundation may be provided 1. Strip or pad foundation 2. Pier foundation with ... of expansive soil. They are bored cast-in-situ concrete piles having bulb shaped enlarged base.

State any two purpose of foundation.

Description : State any two purpose of foundation.

Last Answer : The purpose of foundation are 1) To support the structure. 2) To distribute load of the entire structure over a wide spread area, so that the chances of unequal settlement are minimized. 3) To ... To prevent or minimize the cracks due to movement of moisture in case of weak or poor soils etc.

Draw a neat labeled sectional view showing different components of building from foundation to parapet, for a load bearing brick masonry wall.

Description : Draw a neat labeled sectional view showing different components of building from foundation to parapet, for a load bearing brick masonry wall.

Last Answer : Draw a neat labeled sectional view showing different components of building from foundation to parapet, for a load bearing brick masonry wall.

Define settlement of foundation and its types. Enlist various causes and suggest remedial measures for the same.

Description : Define settlement of foundation and its types. Enlist various causes and suggest remedial measures for the same.

Last Answer : Settlement of foundation: Due to the self-weight and the live load of the structure and due to compressibility of the soil supporting the foundation of the structure, settlement of the ... of earthquake loads and other earthquake resisting methods during design and construction of buildings.

State any two functions of foundation of a building.

Description : State any two functions of foundation of a building.

Last Answer : The functions of foundation are1) To transfer the load of the structure up to the hard strata. 2) To distribute load of the entire structure over a wide spread area. 3) To increase ... To prevent the lateral movement of supporting material To attain a level and firm bed for building operations.

Suggest relevant type of foundation with sketch for a residential building with Marshy soil at greater depth with justification and explanation.

Description : Suggest relevant type of foundation with sketch for a residential building with Marshy soil at greater depth with justification and explanation.

Last Answer : Raft foundation is suitable for a residential building with Marshy soil at greater depth It is suitable where ground is soft, Clayey or marshy having low bearing capacity and where sub soil water ... of thick reinforced concrete slab covering the entire area of the bottom of the structure.

Explain the foundation layout of load bearing structure by centre-line method.

Description : Explain the foundation layout of load bearing structure by centre-line method.

Last Answer : Foundation layout of load bearing structure by centre line method: 1.One corner of the foundation plan is fixed by measuring the distance from the border of the plot and wooden peg with a nail on ... are marked with nail / cross line on plaster for further reference to establish centre line.

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

Description : 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

Last Answer : Answer: Option A

In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at (A) Less loaded column (B) More loaded column (C) A point of the maximum shear force (D) A point of zero shear force

Description : In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at (A) Less loaded column (B) More loaded column (C) A point of the maximum shear force (D) A point of zero shear force

Last Answer : Answer: Option D

If the length of a combined footing for two columns l metres apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed load, is (where is the distance of centre of gravity of column loads). (A) y = L - (l - ) (B) y = L/2 + (l - ) (C) y = L/2 - (l + ) (D) y = L/2 - (l - )

Description : If the length of a combined footing for two columns l metres apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed ... l - ) (C) y = L/2 - (l + ) (D) y = L/2 - (l - )

Last Answer : Answer: Option D

Explain the types of probable cause of non-structural cracks observed in building construction along with preventive measures for any one of crack.

Description : Explain the types of probable cause of non-structural cracks observed in building construction along with preventive measures for any one of crack. 

Last Answer : Cause of cracks:   Cause # 1. Movement Due To Creep: Creep of a material is defined as the property due to which the material continues to deform with time under sustained stress. ... contraction and slip joints at appropriate location. Painting top roof with reflective finish such as white wash.

Explain the causes of non – structural cracks in building construction and remedial measures.

Description : Explain the causes of non – structural cracks in building construction and remedial measures.

Last Answer : The important causes responsible for cracks in building are : 1. Due to movement of ground. 2. Due to temperature variation. 3. Due to moisture changes. 4. Due to effect of ... be good workmanship. 6. Uneven settlement of foundation should be avoided by resting foundation on hard strata.

While investigating the site, a thick layer of fairly firm clay over a deep layer of soft clay is encountered. In such a situation, the following type of foundation is useful: (A) Pile formation (B) Raft foundation (C) Grillage foundation (D) None of these

Description : While investigating the site, a thick layer of fairly firm clay over a deep layer of soft clay is encountered. In such a situation, the following type of foundation is useful: (A) Pile formation (B) Raft foundation (C) Grillage foundation (D) None of these

Last Answer : Answer: Option B

Describe the procedure for carrying out the ‘Plastering’ in cement mortar in two coats.

Description : Describe the procedure for carrying out the ‘Plastering’ in cement mortar in two coats.

Last Answer : The mix ratio of mortar in case of cement plastering depends upon the nature of the work to be plastered.  For rich plastering work at sensitive places (e.g. in side bathrooms, W.C. etc.), 1:3 ... help of a steel float. It is then allowed to set for 2 days and cured for more than 7 days.

For providing a raft foundation, the following activities are involved 1. Ramming the foundation bed 2. Excavation of the soil upto required depth 3. Laying the reinforcement over the foundation bed 4. Curing the cement concrete placed over reinforcement 5. Pouring the cement concrete over the reinforcement The correct sequence is (A) 1, 2, 3, 4, 5 (B) 5, 4, 3, 2, 1 (C) 2, 1, 3, 5, 4 (D) 3, 2, 5, 1,

Description : For providing a raft foundation, the following activities are involved 1. Ramming the foundation bed 2. Excavation of the soil upto required depth 3. Laying the reinforcement over the foundation bed 4. Curing the cement concrete placed over ... 2, 1 (C) 2, 1, 3, 5, 4 (D) 3, 2, 5, 1, 4

Last Answer : Answer: Option C

A reinforced concrete slab is 75 mm thick. The maximum size of reinforcement bar that can be used is (a) 6 mm diameter (b) 8 mm diameter (c) 10 mm diameter (d) 12 mm diameter

Description : A reinforced concrete slab is 75 mm thick. The maximum size of reinforcement bar that can be used is (a) 6 mm diameter (b) 8 mm diameter (c) 10 mm diameter (d) 12 mm diameter

Last Answer : (b) 8 mm diameter

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

Description : 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

Last Answer : Option A

The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept (A) 0.7 (B) 0.8 (C) 0.9 (D) 0.6

Description : The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept (A) 0.7 (B) 0.8 (C) 0.9 (D) 0.6

Last Answer : Answer: Option C

The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate span is kept. (a) 0.7 (b) 0.8 (c) 0.9 (d) 0.6

Description : The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate span is kept. (a) 0.7 (b) 0.8 (c) 0.9 (d) 0.6

Last Answer : (c) 0.9

In cement concrete pavements, tensile stress is due to: (A) Bending or deflection under wheel loads (B) Difference in temperature of the top and bottom of pavement (C) Contraction of slab during falling temperature (D) All the above

Description : In cement concrete pavements, tensile stress is due to: (A) Bending or deflection under wheel loads (B) Difference in temperature of the top and bottom of pavement (C) Contraction of slab during falling temperature (D) All the above

Last Answer : Answer: Option D

If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is (A) K/x (1 + x/d) + bw (B) Kx (1 - x/l) + bw (C) Kx (1 + x/l) + bw (D) All the above

Description : If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured ... ) Kx (1 - x/l) + bw (C) Kx (1 + x/l) + bw (D) All the above

Last Answer : Answer: Option B

Higher workability of concrete is required if the structure is (A) Made with cement concrete (B) Thick and reinforced (C) Thin and heavily reinforced (D) Thick and heavily reinforced

Description : Higher workability of concrete is required if the structure is (A) Made with cement concrete (B) Thick and reinforced (C) Thin and heavily reinforced (D) Thick and heavily reinforced

Last Answer : Answer: Option D

For a wall carrying heavy load on low bearing capacity soil, (A) Lean concrete bed is provided (B) Thick concrete bed is provided (C) Reinforced concrete bed is provided (D) Both (a) and (c) of the above

Description : For a wall carrying heavy load on low bearing capacity soil, (A) Lean concrete bed is provided (B) Thick concrete bed is provided (C) Reinforced concrete bed is provided (D) Both (a) and (c) of the above

Last Answer : Answer: Option D

Which one of the following activities is not correct as applicable to brick corbels? (A) The maximum projection of the corbel should not be more than the thickness of the wall (B) The maximum projection of each corbel course should be limited to a quarter brick at a time (C) The discontinuous corbels are used to carry heavy concentrated loads (D) Stretcher bond is generally used for the construction of brick corbel

Description : Which one of the following activities is not correct as applicable to brick corbels? (A) The maximum projection of the corbel should not be more than the thickness of the wall (B) The ... to carry heavy concentrated loads (D) Stretcher bond is generally used for the construction of brick corbel

Last Answer : Answer: Option D

A raft foundation is provided if its area exceeds the plan area of the building by (A) 10 % (B) 20 % (C) 40 % (D) 50 %

Description : A raft foundation is provided if its area exceeds the plan area of the building by (A) 10 % (B) 20 % (C) 40 % (D) 50 %

Last Answer : Answer: Option D

The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than (A) The column spacing (B) One-third the column spacing (C) Half the column spacing (D) Three-fourth the column spacing

Description : The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than (A) The column spacing (B) One-third the column spacing (C) Half the column spacing (D) Three-fourth the column spacing

Last Answer : Answer: Option B

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

Description : 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

Last Answer : Answer: Option D

Deep groove ball bearings are used for (a) heavy thrust load only (b) the small angular displacement of shafts (c) radial load at high speed (d) combined thrust and radial loads at high speed

Description : Deep groove ball bearings are used for (a) heavy thrust load only (b) the small angular displacement of shafts (c) radial load at high speed (d) combined thrust and radial loads at high speed

Last Answer : (d) combined thrust and radial loads at high speed

The pile provided with one or more bulles in its vertical shaft, is generally known as (A) Under-ream pile (B) Friction pile (C) Bearing pile (D) Sheet pile

Description : The pile provided with one or more bulles in its vertical shaft, is generally known as (A) Under-ream pile (B) Friction pile (C) Bearing pile (D) Sheet pile

Last Answer : Option A

The inclined surface of an abutment to receive the arch, is known as (A) Skew back (B) Soffit (C) Spandril (D) Haunch

Description : The inclined surface of an abutment to receive the arch, is known as (A) Skew back (B) Soffit (C) Spandril (D) Haunch

Last Answer : Option A

The pile which supports the load due to friction between pile face and surrounding soil, is generally known as (A) Bearing pile (B) Friction pile (C) Sheet pile (D) Battered pile

Description : The pile which supports the load due to friction between pile face and surrounding soil, is generally known as (A) Bearing pile (B) Friction pile (C) Sheet pile (D) Battered pile

Last Answer : Option B