Sedimentary rock
Metamorphic rock
Igneous rock
Volcanic rock
A. Sedimentary rock
30 minutes
60 minutes
90 minutes
120 minutes
Hydrogen
Nitrogen
Oxygen
All of these
To remove moisture
To remove carbonic acid
By roasting in heaps
All the above
90 mm
180 mm
190 mm
280 mm
Copper and zinc
Zinc and lead
Tin and silver
Zinc and nickel
Log
Batten
Plank
Baulk
5 %
15 %
25 %
35 %
It possesses less compressive strength
Its initial setting time is about one hour
Its final setting time is about 10 hours
All the above
Hydraulic lime
Fat lime
Quick lime
Pure lime
50 mm
70.6 mm
100 mm
150 mm
Marble
Lime stone
Compact sand stone
Granite
Gypsum
Calcium chloride
Calcium carbonate
None of the above
Less amount of gypsum in very fine powdered form
More amount of gypsum in very fine powdered form
Aluminium sulphate in very fine powdered form
Pozzolana in very fine powdered form
Greater tensile strength in longer direction
Greater tensile strength in shorter direction
Same tensile strength in all directions
None of the above
Split easily
Are affected by moisture
Both (A) and (B)
None of these
Increasing moisture content
Decreasing moisture content
Increasing strength of timber
None to these
Rolling
Pudding
Shingling
Refining
Lime and silica
Lime and alumina
Silica and alumina
Lime and iron
Cracks the timber
Reduces the strength of timber
Reduces the timber to powder
Spoils the appearance of timber
Sulphate resisting cement
Rapid hardening cement
Quick setting cement
Pozzolana cement
15, 75, 10
75, 10, 15
10, 15, 75
10, 75, 15
Strength
Durability
Workability
Water content
Carbon bisulphide
Chloroform
Coal tar
All of these
Water varnish
Spirit varnish
Turpentine varnish
Oil varnish
Segregation
Bleeding
Honey combing
None of these
Radius of its stem
Circumference of its stem
Number of branches
Number of annual rings
Made with finely powdered chalk and linseed oil
Used for fixing glass panes
Softened by a solution of pearl ash and quick-lime soaked in water
All the above
A little large to specified size
A little small to specified size
Equal to specified size
10% larger than specified size
Manganese
Chromium
Nickel
Vanadium
Gypsum
Finer grinding
Tri-calcium silicate
Tri-calcium aluminate