Distemper is
A paint consisting of powdered chalk, pigments and water
A water proofing agent
A paint consisting of coloured cement and water
A drying agent
Correct Answer :
A. A paint consisting of powdered chalk, pigments and water
Related Questions
Name the type of cement from the following for canal linings:
Sulphate resisting cement
Rapid hardening cement
Quick setting cement
Pozzolana cement
Vanadium steel is generally used for
Railway switches and crossing
Bearing balls
Magnets
Axles and springs
Dry rot
Cracks the timber
Reduces the strength of timber
Reduces the timber to powder
Spoils the appearance of timber
Pick up the correct statement from the following:
Air bubbles in casting produce a dull sound by tapping their surfaces lightly with a hammer
Cupola furnace is used for the manufacture of cast iron
Red short iron is of no value for welding purpose
All the above
For light and ornamental casting, the most unsuitable pig iron, is
Bessemer pig
Grey or foundry pig
White or forge pig
Mottled pig
In stone masonry, if stones are so placed that their layers are parallel to the direction of load, they
Split easily
Are affected by moisture
Both (A) and (B)
None of these
Three basic raw materials which are needed in large quantities for production of steel are
Iron ore, coal and sulphur
Iron ore, carbon and sulphur
Iron ore, coal and lime stone
Iron ore, carbon and lime stone
Stucco paints are suitable for
Stone masonry
Brick walls
Both (A) and (B)
Neither (A) nor (B)
The commonly used drying oil for oil paints, is
Olive oil
Linseed oil
Kerosene oil
Acetate of lead
Fibre glass
Retains heat-longer
Has a higher strength to weight ratio
Is shock proof and fire retardant
All the above
The commonly used raw material in the manufacture of cement, is
Slate
Sand stone
Lime stone
Basalt
According to ISI, bitumen is classified into
2 grades
4 grades
8 grades
10 grades
Pick up the plutonic rock from the following:
Granite
Dolerite
Basalt
All the above
The softest rock is
Marble
Diamond
Talc
Quartz
Forge pig may be converted to wrought iron by
Rolling
Pudding
Shingling
Refining
Manganese steels
Are non-magnetic
Possess high electrical resistance
Possess low coefficient of expansion
All the above
Crushing strength of a good building stone should be more than
50 MPa
100 MPa
150 MPa
200 MPa
The tendency of a stone is, to split along:
Texture
Fracture
Cleavage
Structure
Pick up the correct statement from the following:
The lime in excess makes the cement unsound and causes the cement to expand and disintegrate
The silica in excess makes the cement stronger but its setting time also increases
The excess amount of alumina weakens the cement
All the above
The cracks caused by shrinkage of the exterior surface of the wood exposed to atmosphere, are called:
Radial shakes
Heart shakes
Wind cracks
Twisted fibres
The rocks formed by gradual deposition, are called
Sedimentary rocks
Igneous rocks
Metamorphic rocks
None of these
The standard size of masonry bricks, is
18 cm × 8 cm × 8 cm
19 cm × 9 cm × 9 cm
20 cm × 10 cm × 10 cm
21 cm × 11 cm × 11 cm
The main function of alumina in brick earth is
To impart plasticity
To make the brick durable
To prevent shrinkage
To make the brick impermeable
Le-Chatelier's device is used for determining the
Setting time of cement
Soundness of cement
Tensile strength of cement
Compressive strength of cement
Iron ore may contain
Carbon
Silicon
Phosphorus and manganese
All the above
For the manufacture of stainless steel, steel is mixed with
Chromium
Nickel
Tungsten
None of these
Specific gravity for most of the building stones lies between
1.5 to 2.0
2.0 to 2.5
2.5 to 3.0
3.0 to 3.5
The age of a tree can be known by examining
Cambium layer
Annular rings
Medullary rays
Heart wood
The most important tool in brick laying for lifting and spreading mortar and for forming joints is
Trowel
Square
Bolster
Scutch
Pozzolana (or surkhi) is used in lime
To impart hydraulicity
To prevent shrinkage
To decrease the cost of construction
To decrease the setting time