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
Correct Answer :
C. 24
Related Questions
To ensure that supporting area of an offset footing of a boundary wall is fully compressive, the C.G. of load must act
At the centre of the base
Within the middle third of the base
Within the middle fifth of the base
Neither (a), (b) nor (c)
While designing a stair, the product of rise and going is approximately kept equal to
350
420
450
500
Pick up the correct statement from the following:
English bond is used for brick masonry to support heavy loads
Double-Flemish bond is suitable for brick masonry to give uniform face appearance
The stretcher bond is used for the construction of half brick masonry brick
All the above
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:
Both A and R is true and R is the correct explanation of A
Both A and R is true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
The Auger boring method is not suitable for
Very hard soil
Cemented soil
Vary soft soil
All the above
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
The maximum permissible differential settlement, in case of foundations in clayey soil, is usually limited to
10 mm
20 mm
30 mm
40 mm
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
The taper of precast concrete pile should not be more than
1 cm per metre length
2 cm per metre length
4 cm per metre length
5 cm per metre length
The minimum width of a stair in residential buildings, is
55 cm
70 cm
85 cm
100 cm
The construction joints in buildings are provided after
10 m
15 m
20 m
40 m
The vertical posts placed at the top and bottom ends of a flight supporting the hand rail are known as
Balusters
Newel posts
Balustrades
Railings
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
Truck pointing
Recessed pointing
Struck pointing
Grooved pointing
The type of arch generally constructed over a wooden lintel or over a flat arch for the purpose of carrying the load of the wall above is
Segmental arch
Pointed arch
Relieving arch
Flat arch
The vertical members fixed between steps and hand rail, are known
Balusters
Strings
Newel posts
Soffits
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:
Pile formation
Raft foundation
Grillage foundation
None of these
A wall constructed to resist the pressure of an earth filling, is called
Retaining wall
Breast wall
Buttress
Parapet wall
The maximum total settlement for isolated foundations on clayey soils should be limited to
25 mm
40 mm
65 mm
100 mm
In case of foundations on sandy soil, maximum permissible differential settlement, is usually limited to
15 mm
25 mm
35 mm
45 mm
The exterior angle between outer faces of a wall, is known as
Turn
Junction
Quion
All the above
The type of joint commonly used at the junction of a principal rafter and tie beam in timber trusses is
Mortise and tenon joint
Oblique mortise and tenon joint
Butt joint
Mitred joint
In soils possessing low bearing capacity, the type of foundation generally provided, is
Column footing
Grillage footing
Raft footing
All the above
In horizontal D.P.C, thickness of cement concrete (1 : 2 : 4) is
2 cm
4 cm
6 cm
8 cm
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
Negative skin friction
Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile
Develops due to lowering of ground water
Both (a) and (b)
Neither (a) not (b)
Pick up the correct statement from the following:
Lime mortar with cement in the ratio of in 10 is cheaper and better for outside plaster
For very cold or very hot climate, a compact and closed plan should be provided
On the sea coast, an exposed and open house is generally preferred
All the above
During percussion drilling
Ground water observations are hindered due to entry of the slurry in the soil below the bottom of the hole
Caving or mixing of strata are caused in soft soils or cohesionless soils
The soil to a considerable depth below the bottom of the hole gets disturbed
All the above
The arrangement of supporting an existing structure by providing supports underneath, is known as
Shoring
Underpinning
Jacking
Piling
In any good staircase, the maximum and minimum pitch respectively should be
90° and 0°
75° and 30°
60° and 10°
40° and 25°
A pre-stressed concrete pile is
Easy to handle
Lighter in weight
Extremely durable
All the above