The maximum total settlement for isolated foundations on clayey soils should be limited to
25 mm
40 mm
65 mm
100 mm
Correct Answer :
C. 65 mm
Related Questions
The triangular space formed between the extrados and the horizontal line drawn through the crown of an arch is known as
Haunch
Spandril
Voussoirs
Skewbacks
The concrete slump recommended for foundations, is
25 to 50 mm
30 to 125 mm
50 to 100 mm
75 to 125 mm
In the construction of arches, sand box method is used for
Centring
Actual laying of arch work
Striking of centring
None of the above
The window which projects outside a room of a building for admitting more light and air, is known
Bay window
Casement window
Lantern window
Dormer window
Pick up the correct statement from the following:
A mortar joint having a concave finishing in brick masonry, is called keyed joint
A mortar joint projecting beyond the face of a masonry wall, is called tucked joint
A mortar joint having a recess in it, is called ruled joint
All the above
Pick up the incorrect statement from the following:
In king post truss, one vertical post is used
In a queen post truss, one vertical post is used
In a queen post truss, two vertical posts are used
None of these
Suitable spacing of timber piles, is
50 cm
60 cm
80 cm
90 cm
The minimum width of a stair in residential buildings, is
55 cm
70 cm
85 cm
100 cm
In grillage foundations a minimum 15 cm cover is provided on
Upper flange of top tier
Lower beam of lower tier
Ends of external beams
None to these
The vertical sides of a door and window openings provided in a wall, are known as
Verticals
Reveals
Jambs
None of these
Expansion joints in masonry walls are provided if length exceeds
10 m
20 m
30 m
40 m
Pick up the correct statement from the following:
The bearing capacity of a pile is defined as the load which can be sustained by the pile without producing excessive settlement
The safe bearing capacity of a pile is obtained by dividing the ultimate bearing capacity with a suitable factor of safety
The factor of safety for piles is taken as 6
All the above
Pick up the correct statement from the following:
In a king post truss, principal rafter and tie beams are jointed together with a bridle joint
Joint between the principal rafter and the king post is made by making tenon and mortise respectively
Joint between strut and king post, is generally of mortise and tenon type
All the above
Pick up the incorrect statement from the following:
The retaining wall should be structurally capable to resist the applied earth pressure
The section of the retaining wall should be so proportioned that it may not overturn by the lateral pressure
The retaining wall should be safe against sliding
To drain off water from the earth retained, weep holes are provided near the top of the retaining wall
The window which is provided on a sloping roof of a building, is called
Lantern window
Dormer window
Louvered window
Rash window
The form work from the underside of slabs, can be removed only after
1 day
4 days
7 days
14 days
In a colar beam roof
There is no horizontal tie beam
There is a horizontal tie at the feet of rafters only
There is a horizontal tie at almost the middle of rafters only
There are two horizontal ties, one at the feet and other at the middle of the rafters
If height of the first storey of a building is 3.2 m and riser is 13 cm, the number of treads required, is
12
18
24
25
The stone whose crushing strength is least, is
Granite
Chalk
Marble
Slate
Bearing capacity of soils cannot be improved by
Draining sub-soil water
Ramming crushed stone in soil
Driving sand piles
Watering surface of soil
Under reamed piles are generally used for
Machine foundations
Factory building
Tall structures
All the above
The foundation which consists of a thick reinforced cement slab covering whole area to support heavy concentrated structural loads, is known as
Combined footing
Strap footing
Raft footing
None of these
The method of moving each brick through a small horizontal distance before it is finally laid in any brick wall and pressing it by means of brick hammer, is known as
Trowelling
Laying
Grouting
Placing
In the method of tube boring of soil investigation, the following is essential:
A tube of about 2 metres length and 20 cm diameter with a cutting edge
A flap valve at the bottom of tube is provided to extract the soil sample
The tube is raised and lowered by 4 thick rope moving over a pulley suspended on a tripod stand
All the above
A solid core of rock is formed inside the cylinder in the case of
Auger boring
Percussion drilling
Diamond drilling
Wash boring
A wooden block fixed on back side of a door frame on its post, is known as
Cleat
Stop
Horn
None of these
Cavity wall is generally provided for
Heat insulation
Sound insulation
Prevention of dampness
All the above
To stagger vertical joints in successive courses of a wall, a piece of brick is generally used at the end of the course, which is known as
Bat
Header
Stretcher
Closer
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:
Distance of C.G. of the loads from the smaller column = 3.00 m
The length of the foundation slab = 7.00 m
Area of footing slab = 11.00 m2
All the above
The dimensions of a half queen closer, are
9 cm × 9 cm × 9 cm
9 cm × 9 cm × 4.5 cm
9 cm × 4.5 cm × 9 cm
1.8 cm × 4.5 cm × 9 cm