Building Materials Mcqs
The stones obtained by blasting are used as
A) Ballast in railways
B) Aggregates for concrete
C) Road metal
D) All the above
Check Answer
D) All the above
The moisture content in a well seasoned timber is
A) 4 % to 6 %
B) 10 % to 12 %
C) 15 % to 20 %
D) 100 %
Check Answer
B) 10 % to 12 %
Formula for quick lime, is
A) CaCO3
B) Ca(OH)2
C) CO3CO2
D) None to these
Check Answer
A) CaCO3
Linseed oil is used in paints as
A) Thinner
B) Vehicle
C) Base
D) Drier
Check Answer
D) Drier
The initial setting time of lime-pozzolana, is
A) 30 minutes
B) 60 minutes
C) 90 minutes
D) 120 minutes
Check Answer
D) 120 minutes
The commonly used base for iron and steel work, is
A) Red lead
B) Zinc white
C) White lead
D) Titanium white
Check Answer
A) Red lead
The specific gravity of marble, is
A) 2.50
B) 2.60
C) 2.66
D) 2.72
Check Answer
D) 2.72
The most common admixture which is used to accelerate the initial set of concrete is
A) Gypsum
B) Calcium chloride
C) Calcium carbonate
D) None of the above
Check Answer
B) Calcium chloride
The main ingredients of Portland cement are
A) Lime and silica
B) Lime and alumina
C) Silica and alumina
D) Lime and iron
Check Answer
A) Lime and silica
Veneering means
A) Carving out designs on timber planks
B) Chemically treating timber planks
C) Thick layer of superior wood glued to inferior wood
D) Thin layer of superior wood glued to inferior wood
Check Answer
C) Thick layer of superior wood glued to inferior wood
