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
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
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
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
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
Description : The maximum total settlement for raft foundation on clayey soils should be limited to (A) 25 mm (B) 25 to 40 mm (C) 40 to 65 mm (D) 65 to 100 mm
Description : Expansion joints in masonry walls are provided if length exceeds (A) 10 m (B) 20 m (C) 30 m (D) 40 m
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
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
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
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
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
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
Description : 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
Last Answer : Option C
Description : Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds (A) 50 cm (B) 75 cm (C) 100 cm (D) 120 cm
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
Description : One of the following is a shallow foundation a) Pile foundation b) Raft foundation* c) Under reamed pile foundation d) Well foundation
Last Answer : b) 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.
Description : Suggest suitable situation for Raft foundation and Pile foundation.
Last Answer : Suitability of Raft foundation: 1) Where the allowable bearing capacity of soil is less or the bridge load is heavy. 2) Where the hard soil is not available within 1.5m to 2.5m below the ... heavy scouring of river bed is expected. 4) Where heavy concentrated loads are to be taken by foundation.
Description : The cement becomes useless if its absorbed moisture content exceeds (A) 1 % (B) 2 % (C) 3 % (D) 5 %
Description : Due to change in price level, a revised estimate is prepared if the sanctioned estimate exceeds (A) 2.0 % (B) 2.5 % (C) 4.0 % (D) 5.0 %
Last Answer : (D) 5.0 %
Description : The raft slab is projected beyond the outer walls of the structure by (A) 5 to 10 cm (B) 15 to 20 cm (C) 25 to 30 cm (D) 30 to 45 cm
Description : A good building stone should not absorb water more than (A) 5 % (B) 10 % (C) 15 % (D) 20 %
Last Answer : Answer: Option A
Description : In a combined footing if shear stress exceeds 5 kg/cm2 , the nominal stirrups provided are: (A) 6 legged (B) 8 legged (C) 10 legged (D) 12 legged
Description : Expansion joints are provided if the length of concrete structures exceeds (A) 10 m (B) 15 m (C) 15 m (D) 45 m
Description : If the ruling gradient on any highway is 3%, the gradient provided on the curve of 300 metre radius, is (A) 2.00 % (B) 2.25 % (C) 2.50 % (D) 2.75 %
Description : In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by (A) 10 % (B) 20 % (C) 30 % (D) 40 %
Last Answer : (D) 40 %
Description : The normal consistency of ordinary Portland cement is about (A) 10 % (B) 20 % (C) 30 % (D) 40 %
Description : Pick up the incorrect statement from the following: (A) Lead is the average horizontal straight distance between the borrow pit and the place of spreading soil (B) The lead is calculated for each block of the ... a distance upto 500 m (D) The unit of lead is 1 km where the lead exceeds 2 km
Last Answer : (D) The unit of lead is 1 km where the lead exceeds 2 km
Description : The rate of payment is made for 100 cu m (per % cu m) in case of (A) Earth work in excavation (B) Rock cutting (C) Excavation in trenches for foundation (D) All the above
Last Answer : (D) All the above
Description : How much higher are second shift wages than the first shift wages? a. 0 % b. 20 % c. 40 % d. 50 % e. 60 %
Last Answer : d. 50 %
Description : Percentage of pozzolanic material containing clay upto 80% used for the manufacture of pozzolana cement, is (A) 30 % (B) 40 % (C) 50 % (D) 60 %
Last Answer : (A) 30 %
Description : The percentage of the aggregate of F.M. 2.6 to be combined with coarse aggregate of F.M. 6.8 for obtaining the aggregates of F.M. 5.4, is (A) 30 % (B) 40 % (C) 50 % (D) 60 %
Last Answer : (C) 50 %
Description : Clay and silt content in a good brick earth must be at least (A) 50 % (B) 40 % (C) 30 % (D) 25 %
Description : Concrete pavement is provided if daily traffic per lane exceeds (A) 500 tonnes (B) 750 tonnes (C) 1000 tonnes (D) 1250 tonnes
Description : Side face reinforcement is provided when the depth of beam exceeds [ A ] 250 mm [ B ] 450 mm [ C ] 550 mm [ D ] 750 mm
Last Answer : [ D ] 750 mm
Description : The percentage of alumina in a good brick earth lies between (A) 5 to 10 % (B) 20 to 30 % (C) 50 to 60 % (D) 70 to 80 %
Description : Percentage of silica in a good brick earth lies between (A) 5 to 10 % (B) 20 to 30 % (C) 50 to 60 % (D) 70 to 80
Description : A good tree for raft building?
Last Answer : drift wood?
Description : The total domestic consumption in a city water supply, is assumed (A) 20 % (B) 30 % (C) 40 % (D) 60 %
Last Answer : (D) 60 %
Description : A column is regarded as long column if the ratio of its effective length and lateral dimension, exceeds (A) 10 (B) 15 (C) 20 (D) 25
Description : Along column is one whose ratio of effective length to its least lateral dimension exceeds (a) 5 (b) 10 (c) 12 (d) 20
Last Answer : (c) 12
Description : Expansion Joints in masonry walls are provided in wall lengths usater than (A) 10 m (B) 20 m (C) 30 m (D) 40 m
Description : The construction joints in buildings are provided after (A) 10 m (B) 15 m (C) 20 m (D) 40 m
Description : According to National Building Code, the hydrants in water mains is provided at minimum interval of (A) 50 m (B) 60 m (C) 75 m (D) 90 m
Description : 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 ... the foundation slab = 7.00 m (C) Area of footing slab = 11.00 m2 (D) All the above
Description : A grillage foundation (A) Is provided for heavily loaded isolated columns (B) Is treated as spread foundation (C) Consists of two sets of perpendicularly placed steel beams (D) All the above
Description : Pile foundation is generally provided if soil is (A) Compressible (B) Water logged (C) Made up (D) All the above
Description : An area is declared drought affected if its mean rainfall is less than (A) 50 % (B) 60 % (C) 75 % (D) 85 %
Last Answer : (D) 85 %
Description : Pick up the correct statement from the following: (A) The cost of square rooms is less (B) The expenditure on the foundation and roof for the double storeyed building is nearly half of that ... cost of construction of a house may be minimised by restricting the height floors (D) All the above