Engineering/Civil Engineering MCQS -Building Materials Section 6 Sample Test,Sample questions

Question:
 
Based on its dry weight, a freshly felled tree may contain water

1.25%

2.50%

3.75%

4.100%


Question:
 
For light and ornamental casting, the most unsuitable pig iron, is

1.Bessemer pig

2.Grey or foundry pig

3.White or forge pig

4.Mottled pig.


Question:
 
For lime concrete,

1.slump is 50 to 75 mm

2.flexural strength at 90 days is 0.2 N/mm2

3.flexural strength at 90 days is 0.2 N/mm2

4.all the above.


Question:
 
For obtaining vinyl chloride acetate, the method used, is

1. addition polymerization

2.condensation polymerization

3.co-polymerization

4.none of these.


Question:
 
Laterite is found in

1.U.P.

2.Punjab

3.West Bengal

4.Kerala.


Question:
  
Asbestos

1. is an excellant insulator for heat and electricity

2. is fire-proof and acid proof

3.has sp. gravity equal to 3.10

4.All the above.


Question:
  
Bitumen completely dissolves in

1. carbon bisulphide

2.chloroform

3.benzol

4.All of these.


Question:
  
Bitumen may be dissolved in

1.carbondioxide

2. sodium chloride

3.water

4.carbon disulphide


Question:
  
Good quality cement contains higher percentage of

1.Tricalcium silicate

2.Di-calcium silicate

3.Tri-calcium aluminate

4.Tetra calcium alumino ferrite


Question:
  
Lacquer is

1.oil paint

2.distemper

3. spirit varnish

4.none to these.


Question:
  
Mastic asphalt is

1.acid resisting material

2.non-corrosive material

3.corrosive material

4. heating-resisting material.


Question:
  
Mild steel is used for

1. structural works in beams, joints and girders

2. structural works in beams, joints and girders

3.columns and struts

4.none of these.


Question:
  
Pick up the correct statement from the following:

1.Blistering may be cured by applying water paint finished with oil paint dried with a little copal varnish

2.Cracked paints may be cured by removing paint and giving a fresh coat of paint

3. Crawling paints may be cured by sand preparing the surface and giving a fresh coat with plenty of turps

4.All the above.


Question:
  
Pick up the non-inflammable plastic from the following:

1.Cellulose acetate plastics

2. Polyvinyl chloride plastics

3.Phenol formaldehyde plastic

4.Urea formaldehyde plastic.


Question:
  
Soundness of cement is tested by

1.Vicat's apparatus

2.Le-chatelier apparatus

3. compressive strength testing apparatus

4.none of the these.


Question:
  
The PVC doors and windows are preferred as they are

1.rust proof

2.rot proof

3.termile proof

4. all of these.


Question:
  
The yield strength and tensile strength of low carbon steel may be improved by the addition of

1.manganese

2.chromium

3.nickel

4.venadium


Question:
  
To give a brilliant finish, the type of varnish used, is

1.water varnish

2.spirit varnish

3.spirit varnish

4. oil varnish


Question:
  
Which one of the following is used for preparing porcelain

1.clay

2.feldspar

3.quartz

4.All of these.


Question:
Acrylic is the name of

1.cellulose resin

2.alkyd resin

3. methyl metha crylate

4.cumarone-indene.


Question:
Cast iron contains carbon approximately

1. 1.5% to 5.5%

2.0.05% to 1.75%

3.0.25%

4.none to these.


Question:
Duco paints are

1.plastic paints

2. cellulose paints

3.emulsion paints

4.oil paints.


Question:
Forge pig may be converted to wrought iron by

1.rolling

2.pudding

3.shingling

4.refining.


Question:
Glazing of clay products, is done

1.to improve their appearance

2.to protect them from atmospheric effect

3.to protect them from corrosive action

4.all the above.


Question:
Laterite is a/an

1.volcanic rock

2.argillaceous rock

3.calcareous rock

4.calcareous rock


Question:
Lime mortar is generally made with

1.quick lime

2.fat lime

3.hydraulic lime

4.plain lime


Question:
Pick up the correct statement from the following:

1.The percentage of absorption for firebricks varies from 5 to 10

2.The percentage of silica in silica bricks is to the extent of about 95 to 97 percent

3.Roughly 1 to 2 percent of lime in silica bricks is added to act as binding material

4.All the above.


Question:
Pick up the correct statement from the following:

1.Roasting is not necessary if iron ore is an oxide

2.Impurities float on the molten iron as slag

3.The slag contains lime about 45%

4.All the above.


Question:
Pick up the correct statement from the following:

1.Melamine is obtained from calcium carbide

2.Formaldehyde is prepared synthetically from methane

3.The melamine when reacted with formaldehyde forms the melamine-formaldehyde resin

4.All the above.


Question:
Pick up the correct statement from the following:

1.Bull's trench kiln a trench excavated in ground

2.Hoffman's kiln is constructed overground

3.Tunnel Kiln is constructed as a tunnel

4.All the above.


Question:
Pick up the correct statement from the following:

1.Rusting is caused due to combined action of air, moisture and carbon dioxide

2.During rusting, first ferrous bicarbonates are formed

3.On further oxidation ferrous bicarbonates get converted to ferric bicarbonates

4.All the above.


Question:
Pick up the correct statement from the following:

1.Blisters in the finished wrought iron, are caused due to the reaction between oxide of iron and carbon

2.The edges of a finished wrought iron, are rough due to red shortage

3.Pig iron (charcoal) is manufactured from magnetic ore (Fe3O4)

4.All the above.


Question:
Pig iron (charcoal) is manufactured from magnetic ore (Fe3O4)

1.Tetra-calcium alumino-ferrite

2.Tricalcium silicate

3.Tricalcium silicate

4.Dicalcium silicate.


Question:
Pig iron made from heamatite ores free from sulphur, phosphorus and copper, is known as

1.Bessemer pig

2.Bessemer pig

3.White or forge pig

4. Mottled pig


Question:
Plastic asphalt is

1.used as a water proofing layer over roof

2. a mixture of cement and asphalt

3. a mixture of cement and asphalt

4.a refinery product.


Question:
Seasoning of timber is essential to remove

1.knots from timber

2.sap from timber

3. twisted fibre from timber

4.roughness of timber.


Question:
Spirit varnish generally consists of

1.oil, wax and resin

2.alcohol, wax and turpentine

3.pigment and synthetic resin

4.spirit and shellac


Question:
Steel contains carbon approximately

1.1.50% to 5.6%

2.0.05% to 1.75%

3.0.25%

4.none to these.


Question:
The commonly used base for iron and steel work, is

1.red lead

2. zinc white

3.white lead

4.titanium white.


Question:
The material generally not used as extender in paints, is

1.Powdered silica

2.gypsum

3.talc

4.zinc white.


Question:
The melting point of silica is :

1.1570°C

2.1630°C

3.1730°C

4.1850°C.


Question:
The most commonly used synthetic abrasive is

1.aluminium carbide

2.boric acid

3.silicon

4.All of these.


Question:
The most valuable timber may be obtained from

1.chir

2.shisham

3.sal

4.teak.


Question:
The sequence of refractory materials according to increasing melting points is :

1.Dolomite, Magnesia, Bauxite, Chromite

2. Bauxite, Chromite, Dolomite, Magnesia

3.Magnesia, Bauxite, Dolomite, Chromite.

4.All of above.


Question:
The softest rock is

1.marble

2.diamond

3.talc

4.quartz.


Question:
The tendency of a stone is, to split along:

1.texture

2.fracture

3.cleavage

4.structure


Question:
Upto a maximum of 72% of iron, is available in

1.Magnetite

2.Red haemetite

3.Limonite

4.Siderite


Question:
Veneering means

1.carving out designs on timber planks

2.chemically treating timber planks

3. thick layer of superior wood glued to inferior wood

4. thin layer of superior wood glued to inferior wood.


Question:
Whitworth compressed steel is obtained when molten steel is subjected to a pressure of

1.5 kg/mm2

2.9 kg/mm2

3.13 kg/mm2

4.15 kg/mm2


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