The commonly used raw material in the manufacture of cement, is
Slate
Sand stone
Lime stone
Basalt
Correct Answer :
C. Lime stone
Related Questions
Snowcrete is one of the patent forms of
Distempers
Water proof cement paints
Enamel paints
Cellulose paints
The main ingredient of a good quality brick earth, is
Magnesia
Lime
Silica
Alumina
Commonly used thinner in
Lacquer paints, is alcohol
Cellulose paints is ethyl acetate
Oil paints, is naphtha
All the above
Ground glass
Is made by grinding its one side
Is made by melting powdered glass paints surface
Is used for getting light without transparency
All the above
The normal curing period for lime mortar, is:
1 day
3 days
7 days
10 days
Plaster of Paris is obtained by calcining
Bauxite
Gypsum
Lime stone
None of these
Wrought iron is manufactured from pig iron by
Refining
Pudding
Shingling
All the above
Number of bricks required for one cubic metre of brick masonry is
400
450
500
550
Lacquer is
Oil paint
Distemper
Spirit varnish
None to these
The main ingredients of Portland cement are
Lime and silica
Lime and alumina
Silica and alumina
Lime and iron
Mastic asphalt is generally used for
Damp proof course
Water proof layer
Partition walls
Both (A) and (B)
The steel used in R.C.C. work is
Stainless steel
Mild steel
High carbon steel
Wrought iron
Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a
Cant
Deal
Baulk
Strip
The harmonious mixing of the clay ingredients, is known as
Weathering
Blending
Tempering
None of these
Which of the following sedimentary rocks changes into quartzite by metamorphic action?
Sand stone
Lime stone
Shale
Gypsum
The specific gravity of marble, is
2.50
2.60
2.66
2.72
The minimum percentage of silica, alumina and ferric oxide in lime for white washing, is
20
15
5
0
The commonly used colour pigment in paints, is
Ambers
Carbon black
Iron oxide
All the above
Which of the following stresses is used for identifying the quality of structural steel?
Ultimate stress
Yield stress
Proof stress
None of the above
The rocks which are formed due to pouring of magma at the earth's surface are called
Plutonic rocks
Hypabyssal rocks
Volcanic rocks
Igneous rocks
Pick up the correct characteristic of Pyroxene from the following:
It forms octagonal crystals
It converts to chlorine by hydration
Its density is 2.3 to 3.6 g/cm2
All the above
Forge pig may be converted to wrought iron by
Rolling
Pudding
Shingling
Refining
Plastic
Is an organic substance
Consists of natural or synthetic binders
Finished products are rigid and stable at normal temperature
All the above
Pick up correct statement from the following:
Fibre boards are used for thermal and acoustic control
Fibre boards are used for light weight standing members
Fibre boards are obtained by impregnating a resin product on fibres
All the above
Pick up the correct statement from the following:
The percentage of absorption for firebricks varies from 5 to 10
The percentage of silica in silica bricks is to the extent of about 95 to 97 percent
Roughly 1 to 2 percent of lime in silica bricks is added to act as binding material
All the above
Jumper is a tool used for
Testing of stones
Quarrying of stones
Dressing of stones
None of the above
The initial setting time for ordinary Portland cement as per IS specifications should not be less than
10 minutes
30 minutes
60 minutes
600 minute
As per IS specifications, the maximum final setting time for ordinary Portland cement should be
30 minutes
1 hour
6 hours
10 hours
A prime coat is given to steel work with
An oxide of iron paint
A mixture of white lead and lead paint
A special paint
Cement paint
Excess of silica in brick earth results in
Cracking and warping of bricks
Loss of cohesion
Enhancing the impermeability of bricks
None of the above