Age of a tree may be ascertained by
Radius of its stem
Circumference of its stem
Number of branches
Number of annual rings
Correct Answer :
D. Number of annual rings
Related Questions
Cast iron is used for
Structural works in beams
Small sized water pipes
Columns and struts
None to these
The rocks formed by gradual deposition, are called
Sedimentary rocks
Igneous rocks
Metamorphic rocks
None of these
The portion of the brick without a triangular corner equal to half the width and half the length, is called
Closer
Queen closer
King closer
Squint brick
The steel used in R.C.C. work is
Stainless steel
Mild steel
High carbon steel
Wrought iron
Plaster of Paris is obtained by calcining
Bauxite
Gypsum
Lime stone
None of these
In paints, the pigment is responsible for
Durability
Colour
Smoothness
Glassy face
Pick up the volcanic rock from the following:
Granite
Dolerite
Basalt
All the above
For lime concrete,
Slump is 50 to 75 mm
Flexural strength at 90 days is 0.2 N/mm2
Compressive strength at 90 days is 1.5 N/mm2
All the above
Turpentine oil is used in paints as
Thinner
Vehicle
Base
Drier
The frog of a brick is normally made on its
Top face
Bottom face
Longer face
Shorter side
A pug mill is used for
Softening brick earth
Moulding brick earth
Tempering brick earth
Providing brick earth
Quartzite, a metamorphic stone is
Hard
Brittle
Crystalline
All the above
Study the following statements. (i) Hydraulic lime is suitable for white washing, (ii) Fat lime is suitable for whitewashing, (iii) Hydraulic lime is suitable for making mortar, (iv) Fat lime is suitable for making mortar. The correct answer is
(i) and (iv)
(ii) and (iii)
(i) and (ii)
(iii) and (iv)
The portion of the brick cut across its width and having its length equal to that of a full brick, is known as
Closer
Queen closer
King closer
Prince closer
Bitumen in
Solid state, is called asphalt
Semi fluid state, is called mineral tar
Fluid state, is called petroleum
All the above
Soundness test of cement determines
Quality of free lime
Ultimate strength
Durability
Initial setting
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 portion of a brick cut to form angles other than right angles in plan, is known as
Queen closer
King closer
Closer
Squint brick
Bitumen may be dissolved in
Carbondioxide
Water
Sodium chloride
Carbon disulphide
Pick up the correct statement from the following:
The plastic bottles are made by the process of blowing
The application of thermo-setting resins on sheets of paper, is called laminating process
The plastic articles made by placing raw material in the desired moulds, is known as moulding process
All the above
Pig iron is manufactured from the ores by
Dressing
Calcination and roasting
Smelting
All the above
The most valuable timber may be obtained from
Chir
Shishum
Sal
Teak
Bituminous fells are used for
Covering A.C. sheets
Covering sloping roofs
D.P.C.
None to these
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
Wrought iron is manufactured from pig iron by
Refining
Pudding
Shingling
All the above
Generally wooden moulds are made from
Ply wood
Shishum wood
Deodar wood
Teak wood
Pick up the correct statement from the following:
Solder material is an alloy which melts at a temperature above 400°C
Brazing is done at temperature above 600°C to 1100°C
Brazing joint is stronger than the solder joint
All the above
Pick up the incorrect statement from the following:
Plastics are chemical resistant
Plastics are durable
Plastics are ductile
Plastics are excellent electric insulators
Expansion Joints in masonry walls are provided in wall lengths usater than
10 m
20 m
30 m
40 m
Ultimate strength to cement is provided by
Tri-calcium silicate
Di-calcium silicate
Tri-calcium aluminate
Tetra calcium alumino ferrite