The term string is used for
The underside of a stair
Outer projecting edge of a tread
A sloping member which supports the steps in a stair
A vertical member between two treads
Correct Answer :
C. A sloping member which supports the steps in a stair
Related Questions
A pre-stressed concrete pile is
Easy to handle
Lighter in weight
Extremely durable
All the above
The piece of a brick cut with its one corner equivalent to half the length and half the width of a full brick, is known as
Queen closer
Bevelled closer
King closer
Half king closer
Which of the following metal sheets is most effective in preventing dampness?
Copper sheets
Lead sheets
Aluminium sheets
All the above
The 9 cm × 9 cm side of a brick as seen in the wall face, is generally known as
Stretcher
Face
Front
Header
The bearing capacity of a water logged soil can be improved by
Compacting the soil
Draining the soil
Increasing the depth of foundation
Grouting
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
The depth of concrete bed of the foundation depends upon
The projection of the concrete block beyond the footing over it
The upward soil pressure
The mix of the concrete
All the above
The arrangement of supporting an existing structure by providing supports underneath, is known as
Shoring
Underpinning
Jacking
Piling
For plastering the exposed brick walls, the cement sand mortar should be
1 : 2
1 : 3
1 : 4
1 : 6
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
Pick up the incorrect statement from the following:
In Flemish bond, headers and stretchers are laid alternately in the same course
In Flemish bond every header in each course lies centrally over every stretcher of the underlying course
In English bond, stretchers are laid in every course
In English bond, headers and stretchers are laid in alternate courses
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
Crown is located at
Highest point on the extrados of the arch
Highest point on the intrados of the arch
Skew-back of the arch
None of these
Which one of the following activities is not correct as applicable to brick corbels?
The maximum projection of the corbel should not be more than the thickness of the wall
The maximum projection of each corbel course should be limited to a quarter brick at a time
The discontinuous corbels are used to carry heavy concentrated loads
Stretcher bond is generally used for the construction of brick corbel
The type of stone masonry in which stones of same height are laid in layers, is called
Random rubble masonry
Course rubble masonry
Uncoursed rubble masonry
Ashlar masonry
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
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
The least bearing capacity of soil is that of
Hard rock
Moist clay
Soft rock
Coarse sandy soil
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
In horizontal D.P.C, thickness of cement concrete (1 : 2 : 4) is
2 cm
4 cm
6 cm
8 cm
Pick up the correct statement from the following:
The first coat of stucco plaster is called scratch coat
The second coat of stucco plaster is called brown coat
The third coat of stucco plaster is called white coat
All the above
The alignment of a cross joint along the plumb line is
Bed block
Perpend
Lintel
Vertical line
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 highest line of sloping roof, where two opposite slopes meet, is known as
Rafter
Ridge
Crown
Eave
For constructing a terrazzo floor, Pick up the incorrect statement from the following:
A base course is prepared as in cement concrete flooring
A 32 mm thick layer of cement concrete (1 : 2 : 4) is laid on the base course and the surface is made smooth by trowelling
Glass strips are driven into the layer according to the pattern required
After final grinding is over, oxalic acid mixed with water is spread over and rubbed hard with soft material
While designing a stair, the product of rise and going is approximately kept equal to
350
420
450
500
A stair should not have pitch more than
25°
30°
40°
50°
Number of vertical joints in a stretcher course is x times the number of joints in the header course, where x is equal to
1/2
1
2
1/4
The floor is rubbed with oxalic acid, for making its surface
Free from voids
Glossy
Durable
Uniform
The brick laid with its breadth parallel to the face of a wall, is known as
Header
Stretcher
Closer
None of these