The number of steps in a flight generally should not be less than
2
3
5
No limit
Correct Answer :
B. 3
Related Questions
The triangular portion between any two adjacent arches and the tangent to their crowns, is
Haunch
Spandril
Soffit
Rise
In any good staircase, the maximum and minimum pitch respectively should be
90° and 0°
75° and 30°
60° and 10°
40° and 25°
In flat roof of reinforced cement concrete, the recommended angle of slope, is
Zero
A few degrees
10°
200°
A pointed arch which forms isosceles or equilateral triangle, is generally known as
Three centred arch
Two centred arch
Lancet arch
Bull's eye arch
For different layers of cement concrete floor. Pick up the incorrect statement from the following:
The lowest layer consists of consolidated ground
A 10 cm thick clean sand is laid on consolidated ground
A 10 cm lime concrete (1 : 4 : 8) is laid on clean sand
A 10 cm thick cement concrete (1 : 2 : 4) is laid on top layer
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 triangular space formed between the extrados and the horizontal line drawn through the crown of an arch is known as
Haunch
Spandril
Voussoirs
Skewbacks
Pick up the correct statement from the following:
D.P.C. should be continuous
D.P.C. should be of good impervious material
D.P.C. may be horizontal or vertical
All the above
The single stage well point system of dewatering an excavation can be used if the depth of excavation does not exceed
5 m
10 m
15 m
20 m
The window which is provided in flat roof of a room, is known
Dormer window
Lantern window
Louvered window
Sky window
The alignment of a cross joint along the plumb line is
Bed block
Perpend
Lintel
Vertical line
The stone whose crushing strength is least, is
Granite
Chalk
Marble
Slate
The compaction of concrete in the drilled pile hole is done by compressed air in the case of
Simplex pile
Franki pile
Pressure pile
Vibro pile
The least bearing capacity of soil is that of
Hard rock
Moist clay
Soft rock
Coarse sandy soil
The width of the hollow space between two walls of a cavity wall should not exceed
5 cm
7.5 cm
10 cm
15 cm
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
The art of bringing the floor to a true level surface by means of screeds, is called
Topping
Bedding
Screeding
None of these
Pile foundations are suitable for
Water logged soils
Soft rocks
Compact soils
Multi-storeyed buildings
Expansion joints in masonry walls are provided if length exceeds
10 m
20 m
30 m
40 m
The maximum bearing capacity of soil is that of
Black cotton soil
Loose fine sandy soil
Dry coarse sandy soil
Hard rocks
To obtain good bonding in brick masonry
First class bricks are used
Vertical joints in alternate courses are kept in plumb line
Bats are used where necessary
All 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
The size of a floor tile commonly used, is
15 cm × 15 cm × 1.8 cm
20 cm × 20 cm × 2 cm
22.5 × 22.5 cm × 2.2 cm
All the above
Stability of an existing structure may be disturbed by
Rising of water table
Vibrations caused by traffic movements
Mining in the neighbourhood
All the above
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
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 process of making the back ground rough, before plastering, is
Dubbing
Hacking
Blistering
Peeling
Pick up the correct statement from the following:
Plain cement concrete is equally strong in compression as well as in tension
Slump test is performed to check concrete strength
Curing of concrete is done for proper compaction of cement
Fineness modulus is the index number expressing the relative sizes of both coarse and fine aggregates
For the construction of flyovers in sandy soils, the type of foundation provided, is
Strap footing
Raft footing
Combined footing
Pier footing
The lintels are preferred to arches because
Arches require more headroom to span the openings like doors, windows etc.
Arches require strong abutments to withstand arch thrust
Arches are difficult in construction
All of the above