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
Correct Answer :
D. All the above
Related Questions
A badly mixed cement concrete results in
Segregation
Bleeding
Honey combing
None of these
Lime stone is not a
Sedimentary rock
Stratified rock
Aqueous rock
Metamorphic rock
Quick lime is (i) Slow in setting (ii) Rapid in slacking (iii) Good in strength The correct answer is
Only (i)
Only (ii)
Both (i) and (ii)
Both (ii) and (iii)
Putty is
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
Stones used for rubble masonry must be
Soft
Hard
Light
Heavy
Brittleness of cold is due to an excess of
Sulphur
Carbon
Phosphorus
Silicon
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
Kaolin is chemically classified as
Metamorphic rock
Argillaceous rock
Calcareous rock
Siliceous rock
Pick up the correct statement from the following:
The theory of formation of concrete is based on the phenomena of formation of voids
The bulking of sand is taken into account while volumetric proportioning of the aggregates
The dry sand and the sand completely flooded with water, have practically the same volume
All the above
Pick up the correct statement from the following:
The average crushing strength of hand moulded bricks is 6000 t/m2
The average tensile strength of hand moulded brick is 200 t/m2
The average shearing strength of hand moulded brick is 600 t/m2
All the above
Rocks formed due to alteration of original structure due to heat and excessive pressure are called
Sedimentary rocks
Igneous rocks
Metamorphic rocks
None of these
Invar contains
12% of nickel
24% of nickel
30% to nickel
36% of nickel
Which of the following stresses is used for identifying the quality of structural steel?
Ultimate stress
Yield stress
Proof stress
None of the above
The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as
Cementation process
Crucible process
Bessemer process
Open hearth process
Depending on the chemical composition and mechanical properties, iron may be classified as
Cast iron
Wrought iron
Steel
All the above
A rock contains only one mineral. It is called
Homogeneous
Non-homogeneous
Monomineralic
Polymineralic
Pick up the correct statement from the following:
The percentage of absorption for firebricks varies from 5 to 10
The percentage of silica in silica bricks is to the extent of about 95 to 97 percent
Roughly 1 to 2 percent of lime in silica bricks is added to act as binding material
All the above
Dextrin is
Animal glue
Starch glue
Albumin glue
Rubber based adhesive
Formula for quick lime, is
CaCO3
Ca(OH)2
CO3CO2
None to these
The commonly used base for iron and steel work, is
Red lead
Zinc white
White lead
Titanium white
Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as
Bessemer pig
Grey or foundry pig
White or forge pig
Mottled pig
Which of the following timbers is suitable for making sports goods?
Mulberry
Mahogany
Sal
Deodar
Forge pig may be converted to wrought iron by
Rolling
Pudding
Shingling
Refining
Pick up the correct statement from the following:
Blisters in the finished wrought iron, are caused due to the reaction between oxide of iron and carbon
The edges of a finished wrought iron are rough due to red shortage
Pig iron (charcoal) is manufactured from magnetic ore (Fe3O4)
All the above
The variety of pig iron used for manufacture of wrought iron, is
Bessemer pig
Grey or foundry pig
White forge pig
Mottled pig
Fibre glass
Retains heat-longer
Has a higher strength to weight ratio
Is shock proof and fire retardant
All the above
Pick up the correct statement regarding low heat cement from the following:
It possesses less compressive strength
Its initial setting time is about one hour
Its final setting time is about 10 hours
All the above
Sea sand used in structures causes
Dampness
Efflorescence
Disintegration
All 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
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