Building Materials Mcqs
For testing compressive strength of cement, the size of cube used is
A) 50 mm
B) 70.6 mm
C) 100 mm
D) 150 mm
Check Answer
B) 70.6 mm
For sanitary pipes and chemical stonewares,
A) Salt glazing is used
B) Lead glazing is used
C) Opaque glazing is used
D) None of these
Check Answer
A) Salt glazing is used
For the manufacture of stainless steel, steel is mixed with
A) Chromium
B) Nickel
C) Tungsten
D) None of these
Check Answer
A) Chromium
Dry rot
A) Cracks the timber
B) Reduces the strength of timber
C) Reduces the timber to powder
D) Spoils the appearance of timber
Check Answer
C) Reduces the timber to powder
PVC stands for
A) Plastic very compact
B) Polythene vinyl chloride
C) Polythene vinyl carbon
D) Polythene vanadium carbide
Check Answer
B) Polythene vinyl chloride
The kiln which may work throughout the year, is
A) Clamp
B) Bull’s kiln
C) Hoffman’s kiln
D) None of these
Check Answer
C) Hoffman’s kiln
According to IS 399-1963, the weight of the timber is specified at
A) 8% moisture content
B) 10% moisture content
C) 12% moisture content
D) 14% moisture content
Check Answer
C) 12% moisture content
Spalling hammer is used for
A) Driving wooden headed chisels
B) Rough dressing of stones
C) Carving of stones
D) Breaking small projection of stones
Check Answer
B) Rough dressing of stones
Which of the following sedimentary rocks changes into quartzite by metamorphic action?
A) Sand stone
B) Lime stone
C) Shale
D) Gypsum
Check Answer
A) Sand stone
The frog of the brick in a brick masonry is generally kept on
A) Bottom face
B) Top face
C) Shorter side
D) Longer side
Check Answer
B) Top face
