The colour of statuary marble used for sculptor's work, is
Red
Blue
White
Green
Correct Answer :
C. White
Related Questions
The pigment used in paints for corrosive resistance, is
White lead
Ferrous oxide
Zinc white
Red lead
Calcination of iron ores is done
To remove moisture
To remove carbonic acid
By roasting in heaps
All the above
Pick up the synthetic resin from the following:
Urea resin
Phenolic resin
Resorcinol resin
All of these
In brick masonry the bond produced by laying alternate headers and stretchers in each course is known as
English bond
Double Flemish bond
Zigzag bond
Single Flemish bond
Pick up the volcanic rock from the following:
Granite
Dolerite
Basalt
All the above
The variety of pig iron used for manufacture of wrought iron, is
Bessemer pig
Grey or foundry pig
White forge pig
Mottled pig
A good building stone should not absorb water more than
5 %
10 %
15 %
20 %
If the iron ore contains clay as an impurity, the flux added during calcination, is
Clay
Lime stone
Argillaceous iron ore
All the above
Glazing of clay products, is done
To improve their appearance
To protect them from atmospheric effect
To protect them from corrosive action
All the above
The sequence of refractory materials according to increasing melting points is:
Dolomite, Magnesia, Bauxite, Chromites
Bauxite, Chromites, Dolomite, Magnesia
Magnesia, Bauxite, Dolomite, Chromites
None of these
The cement becomes unsound by the presence of excess
Sulphur
Magnesia
Lime
All of these
For a 50 kg cement bag water required, is
16.5 litres
18.5 litres
20.5 litres
22.5 litres
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
The tendency of a stone is, to split along:
Texture
Fracture
Cleavage
Structure
Forge pig may be converted to wrought iron by
Rolling
Pudding
Shingling
Refining
German silver is an alloy of
Zinc, lead and nickel
Silver, gold and lead
Copper, nickel and zinc
Copper, brass and zinc
The rocks which are formed due to cooling of magma at a relatively shallow depth from the earth's surface are called
Plutonic rocks
Hypabyssal rocks
Volcanic rocks
Igneous rocks
Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength The correct answer is
(i) and (ii)
(ii) and (iii)
(iii) and (iv)
(i) and (iv)
The thermosetting plastic
Becomes rigid when moulded at suitable pressure and temperature
At 127°C to 177°C permanently set and further application of heat does not soften it
Chars at 343°C
All the above
Which of the following metamorphic rocks has the most weather resisting characteristics?
Marble
Quartzite
Slate
Lime stone
The commonly used base for iron and steel work, is
Red lead
Zinc white
White lead
Titanium white
Inner part of a timber log surrounding the pitch, is called
Sapwood
Cambium layer
Heart wood
None to these
The stone suitable for rubble masonry should be.
Hard
Tough
Heavy
Light
Kaolin is chemically classified as
Metamorphic rock
Argillaceous rock
Calcareous rock
Siliceous rock
A stone is rejected if it absorbs water more than
5 %
10 %
15 %
20 %
Due to attack of dry rot, the timber
Cracks
Shrinks
Reduces to powder
None of these
Fibre glass
Retains heat-longer
Has a higher strength to weight ratio
Is shock proof and fire retardant
All the above
Cast iron is used for
Structural works in beams
Small sized water pipes
Columns and struts
None to these
Stones used for ornamental work must be
Soft
Hard
Light
Heavy
Duco is one of the patent forms of
Emulsion paints
Plastic paints
Bituminous paints
Cellulose paints