In flat roof of reinforced cement concrete, the recommended angle of slope, is
Zero
A few degrees
10°
200°
Correct Answer :
B. A few degrees
Related Questions
A floor constructed with 3 mm marble chips, is known
Mosaic floor
Terrazzo floor
Chips floor
Marble floor
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
Pick up the correct statement from the following:
Cavity of a cavity wall should start near ground level
Cavity of a cavity wall should terminate near eaves level of sloping roof
Cavity of a cavity wall should terminate near coping of flat roof with parapet wall
All the above
The function of king post in a king post roof truss is
To support the frame work of the roof
To receive the ends of principal rafter
To prevent the walls from spreading outward
To prevent the tie beam from sagging at its centre
The mortar in which both cement and lime are used as binding materials, is called
Cement mortar
Lime mortar
Fire resistant mortar
Gauged mortar
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
Which of the following metal sheets is most effective in preventing dampness?
Copper sheets
Lead sheets
Aluminium sheets
All the above
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)
You are asked to design and supervise a truss for a factory to have spans 6 m to 9 m. The type of the truss you will use, is
Mansard truss
Queen post truss
King post truss
Collar truss
The maximum total settlement for raft foundation on clayey soils should be limited to
25 mm
25 to 40 mm
40 to 65 mm
65 to 100 mm
The pile which supports the load partly by friction and partly by resting on hard stratum, is called
Friction pile
Bearing pile
Friction bearing pile
Rough pile
The number of steps in a flight generally should not be less than
2
3
5
No limit
The lower edge of the pitched roof, from where the rain water of the roof surface drops down, is known as
Hip
Gable
Ridge
Eaves
The steel pile which is generally sunk in soft clay or loose sand of low bearing capacity, is
H-pile
Pipe pile
Screw pile
Disc pile
The important test to be conducted on a stone used in docks and harbours is
Hardness test
Workability test
Weight test
Toughness test
In places where the soil is soft and has small resistance to the flow of concrete, which one of the following types of piles, is used
Vibro pile
Pressure pile
Franki pile
Pedestal pile
Pick up the correct statements from the following:
Cracks appear on the plastered surface in the form of hair cracks
In brick work, the efflorescence is removed by applying a solution of zinc sulphate and water
Excessive thermal variations in the backing or plaster causes the plaster to fall
All the above
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
(i) and (iii)
(i) and (iv)
(ii) and (iii)
(ii) and (iv)
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 line of intersection of the surfaces of a sloping roof forming an external angle exceeding 180°, is
Ridge
Hip
Valley
None of these
To construct a 10 cm thick partition wall, you will prefer
English bond
Flemish bond
Header bond
Stretcher bond
Rotary drilling is the fastest method in case of
Rocky soils
Clay soils
Sandy soil
All of these
An arch constructed with finely dressed stones, is known
Ashlar arch
Rubble arch
Gauged arch
Axed arch
In jack arch floor, the rise is kept
1/6th of the span
1/8th of the span
1/10th of the span
1/12th of the span
A wooden block fixed on back side of a door frame on its post, is known as
Cleat
Stop
Horn
None of these
A floor constructed with the 4 to 6 mm marble chips, is know
Reinforced marble floor
Terrazzo floor
Marble floor
Chip floor
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
According to Rankine's formula, minimum depth of foundations, is
(P/w) × [(1 + sin φ)/(1 - sin φ)]²
(P/w) × [(1 - sin φ)/(1 + sin φ)]²
(P/2w) × [(1 - sin φ)/(1 + sin φ)]²
(P/w) × [(1 + sin φ)/(1 - sin φ)]
Engineering news formula for obtaining safe bearing capacity of pile for drop hammer, is,
Q = Wh/6 (S + 2.5)
Q = Wh/2.5 (S + 6)
Q = (W × 6)/h (S + 2.5)
Q = (W × 2.5)/6 (S + h)
The brick laid with its breadth parallel to the face of a wall, is known as
Header
Stretcher
Closer
None of these