Which of the following metal sheets is most effective in preventing dampness?
Copper sheets
Lead sheets
Aluminium sheets
All the above
Correct Answer :
D. All the above
Related Questions
The additional piles which are driven to increase the capacity of supporting loads on vertical piles, are known
Construction piles
Raking piles
Eccentric piles
Sinking piles
The depth of the ground water table may be ascertained by
Looking through the well in the vicinity
Standing on the well in the vicinity
Measuring the depth of water in the well
None of the above
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)
The angle between skew back of a flat arch and the horizontal, is kept approximately equal to
0°
30°
60°
90°
The angular steps used for changing direction of the stairs, are called
Round steps
Angular steps
Winders
Radial steps
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
A covering of concrete placed on the exposed top of an external wall, is known as
Cornice
Coping
Frieze
Lintel
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
Vertical construction joints are provided where the shearing forces are minimum in the case of
Slabs
Beams
Girders
All of these
Nogging of a common wooden partition is
Upper horizontal wooden member
Lower horizontal wooden member
Intermediate horizontal wooden member
Vertical wooden member
The horizontal timber piece provided at the apex of a roof truss which supports the common rafter is called
Ridge board
Hip rafter
Eaves board
Valley rafter
Which one of the following piles has a cast iron shoe even after removal of the hollow cylindrical steel casing?
Simplex pile
Pedestal pile
Vibro pile
Both (a) and (c) of the above
Pick up the correct statement from the following:
Sand consists of coarse particles of silica formed due to the disintegration of rocks
The grains of sand are not affected by frost
Sand beds are permeable and do not allow water to rise up between pores due to capillary action
All the above
Pick up the correct statement from the following:
Isolated footing is provided under column to transfer the load safely to soil bed
Column footings may have steps or projections in the concrete base
Heavily loaded column base must be provided steel reinforcement in both directions
All the above
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
The line of intersection of two surfaces of a sloping roof forming an internal angle less than 180°, is known as
Ridge
Hip
Valley
None of these
The strength of brick masonry in 1:6 cement mortar, is
20 tonnes/m2
40 tonnes/m2
50 tonnes/m2
60 tonnes/m2
The brick laid with its length parallel to the face of a wall, is a known as
Header
Stretcher
Closer
None of these
The raft slab is projected beyond the outer walls of the structure by
5 to 10 cm
15 to 20 cm
25 to 30 cm
30 to 45 cm
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 minimum distance between the centres of bulb of diameter du, of a multi under reamed piles, is
du
1.25 du
1.5 du
1.75 du
In grillage foundations, distance between flanges of grillage beams, is kept
40 cm
Equal to flange width
Twice the flange width
Maximum of (a), (b) and (c)
The projections of head or sill of a door or window frame are
Transoms
Horns
Stops
Chocks
Couple roof is used for spans
3.5 m or less
3.5 m but less than 5 m
5 m but less than 6.5 m
6.5 m but less than 8 m
Pile foundations are suitable for
Water logged soils
Soft rocks
Compact soils
Multi-storeyed buildings
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
For each storey of a building, the depth of exploration should be
1 metre
2 metres
3 metres
4 metres
Ornamental moulded course placed on the top of a wall, is
Cornice
Coping
Frieze
Lintel
In high mountainous region, the type of roof generally recommended for buildings, is
Shed type
Gable type
Gambrel type
Mansard type
The depth of excavation of foundations, is generally measured with a
Ranging rod
Steel tape
Levelling staff
Boning rod