The trunk of tree left after cutting all the branches is known as
Log
Batten
Plank
Baulk
Correct Answer :
A. Log
Related Questions
Non acid-resistant asbestos is:
Tremolite asbestos
Chrysotile asbestos
Amosite asbestos
None of these
Pick up the correct statement from the following:
Blistering may be cured by applying water paint finished with oil paint dried with a little copal varnish
Cracked paints may be cured by removing paint and giving a fresh coat of paint
Crawling paints may be cured by sand preparing the surface and giving a fresh coat with plenty of turps
All the above
A 1st class brick immersed in water for 24 hours, should not absorb water (by weight) more than
10 %
15 %
20 %
25 %
Pick up the correct statement from the following:
Rusting is caused due to combined action of air, moisture and carbon dioxide
During rusting, first ferrous bicarbonates are formed
On further oxidation ferrous bicarbonates get converted to ferric bicarbonates
All the above
The initial setting time of lime-pozzolana, is
30 minutes
60 minutes
90 minutes
120 minutes
Pick up the correct statement from the following:
Slaked lime contains calcium hydroxide
Quick lime contains calcium oxide
Slaked lime may be obtained from quick lime
All the above
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
With storage, strength of cement
Increases
Decreases
Remains the same
None to these
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
The compound of Portland cement which contributes to the strength after two to three years is
Tri-calcium silicate
Di-calcium silicate
Tri-calcium aluminate
Tetra-calcium alumino ferrite
Lacquer paints
Are generally applied on structural steel
Are less durable as compared to enamel paints
Consist of resin and nitro-cellulose
All the above
Pug mill is used for
Preparation of clay
Moulding of clay
Drying of bricks
Burning of bricks
Shingle is
Decomposed laterite
Crushed granite
Water bound pebbles
Air weathered rock
Pozzolana (or surkhi) is used in lime
To impart hydraulicity
To prevent shrinkage
To decrease the cost of construction
To decrease the setting time
Linseed oil is used in paints as
Thinner
Vehicle
Base
Drier
The internal size of mould used in brick preparation is
Equal to the size of a fully burnt brick
Smaller than the size of a fully burnt brick
Greater than the size of a fully burnt brick
None of the above
Which one of the following is used for preparing porcelain?
Clay
Feldspar
Quartz
All of these
The commonly used colour pigment in paints, is
Ambers
Carbon black
Iron oxide
All the above
Pig iron is manufactured from the ores by
Dressing
Calcination and roasting
Smelting
All the above
The slenderness ratio for masonry walls should not be more than
10
20
30
40
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
Addition of pozzolana to ordinary Portland cement increases
Bleeding
Shrinkage
Permeability
Heat of hydration
The timber having maximum resistance against white ants, is obtained from
Chir
Shishum
Sal
Teak
The coefficient of hardness of stones used in road work should be greater than
10
12
15
17
Pick up the volcanic rock from the following:
Granite
Dolerite
Basalt
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
Plastics are compounds of carbon with element
Hydrogen
Nitrogen
Oxygen
All of these
The percentage of alumina and silica in good fire clay vary respectively is
25, 75
30, 70
35, 65
All of these
Which of the following metamorphic rocks has the most weather resisting characteristics?
Marble
Quartzite
Slate
Lime stone
Duco is one of the patent forms of
Emulsion paints
Plastic paints
Bituminous paints
Cellulose paints