Cement paints usually
Contain hydrated lime
Contain 5% to 10% colour pigments
Contain 5% sodium chloride
All the above
Correct Answer :
D. All the above
Related Questions
Pick up the correct statement from the following:
Roasting is not necessary if iron ore is an oxide
Impurities float on the molten iron as slag
The slag contains lime about 45%
All the above
Pick up the correct statement from the following: Method of sawing timber
Tangentially to annual rings, is known as tangential method
In four quarters such that each board cuts annual rings at angles not less than 45°, is known as quarter sawing method
Cut out of quarter logs, parallel to the medullary rays and perpendicular to annual rings, is known as radial sawing
All the above
The commonly used drying oil for oil paints, is
Olive oil
Linseed oil
Kerosene oil
Acetate of lead
Asbestos is
Corrugated sheet used for roofing
An incombustible fire proof material
An organic substance
All the above
Pegmatite is a/an
Intrusive igneous rock
Extrusive igneous rock
Sedimentary rock
Metamorphic rock
Percentage of silica in a good brick earth lies between
5 to 10 %
20 to 30 %
50 to 60 %
70 to 80 %
Slacking of lime is affected by
Keeping it exposed to air
Immersing the lime in water
Crushing the lime lumps
None of these
The weight of 1 m3 of brick earth, is about
1200 kg
1500 kg
1800 kg
2000 kg
Bitumen emulsion is
A liquid containing bitumen in suspension
A paint
Used as anti-corrosive paint
All the above
Pick up the compound responsible for early strength of cement from the following:
Tetra-calcium alumino-ferrite
Tri-calcium silicate
Tri-calcium aluminate
Di-calcium silicate
If P is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is
0.70 P
0.75 P
0.80 P
0.85 P
The trunk of tree left after cutting all the branches is known as
Log
Batten
Plank
Baulk
The moisture content in a well seasoned timber is
4 % to 6 %
10 % to 12 %
15 % to 20 %
100 %
The plastics prepared from Vinyl resin are
Odourless
Non-toxic
Transparent
All of these
The rocks in which argil (or clay) predominates, are called
Siliceous rocks
Argillaceous rocks
Calcareous rocks
Igneous rocks
Smith's test of stones is performed to find out
The presence of soluble matter of stone
The compressive strength of the stone
The hardness of the stone
The toughness of the stone
Pick up the correct statement from the following:
Soft stones are required for carving
Light stones are required for arches
Hard stones are required to stand high pressure
All the above
Depending on the chemical composition and mechanical properties, iron may be classified as
Cast iron
Wrought iron
Steel
All the above
Duco paints are
Plastic paints
Cellulose paints
Emulsion paints
Oil paints
Spirit varnish generally consists of
Oil, wax and resin
Alcohol, wax and turpentine
Pigment and synthetic resin
Spirit and shellac
Good quality stones must
Be durable
Be free from clay
Resist action of acids
All the above
The stretcher bond in brick masonry can be used only when the thickness of wall is
90 mm
180 mm
190 mm
280 mm
For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is
80 : 13 : 7
70 : 20 : 10
60 : 35 : 5
None of these
Formula for quick lime, is
CaCO3
Ca(OH)2
CO3CO2
None to these
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 lime which contains mainly calcium oxide and slacks with water, is
Fat lime
Quick lime
Hydraulic lime
Poor lime
The proportions of lime and sand in the mortar normally used in brick construction are
1 : 2
1 : 4
1 : 6
1 : 8
A queen closer is a
Brick laid with its length parallel to the face or direction of wall
Brick laid with its breadth parallel to the face or direction of wall
Brick having the same length and depth as the other bricks but half the breadth
Brick with half the width at one end and full width at the other
Varnish is a transparent or semi-transparent solution of resinous substances in
Alcohol
Linseed
Turpentine
All the above
Pick up the incorrect statement from the following:
Hydraulic lime is generally obtained by burning kankar
Hydraulic lime sets slowly as compared to fat lime
Hydraulic lime is generally used in lime mortar
None of these