Magme Guru: BUILDING MATERIALS

Showing posts with label BUILDING MATERIALS. Show all posts

Showing posts with label BUILDING MATERIALS. Show all posts

Tuesday, April 21, 2020

BUILDING MATERIALS MCQS SET 54

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 54

BUILDING MATERIALS MCQS SET 54

1. Pick up the metal refractory from the following:
(A) Molybdenum
(B) Tungsten
(C) Zirconium
(D) All of these
Answer: Option D

2. With storage, strength of cement
(A) Increases
(B) Decreases
(C) Remains the same
(D) None to these
Answer: Option B

3. The commonly used raw material in the manufacture of cement, is
(A) Slate
(B) Sand stone
(C) Lime stone
(D) Basalt
Answer: Option C

4. The rocks formed from molten magma, are called
(A) Sedimentary rocks
(B) Igneous rocks
(C) Metamorphic rocks
(D) None of these
Answer: Option B

5. Bitumen paints offer
(A) Pleasing surface
(B) Hard surface
(C) Smooth surface
(D) Protective surface
Answer: Option D

6. Ground glass
(A) Is made by grinding its one side
(B) Is made by melting powdered glass paints surface
(C) Is used for getting light without transparency
(D) All the above
Answer: Option D

7. The wedging is adopted for quarrying costly stratified rock such as
(A) Laterite
(B) Marble
(C) Limestone
(D) All the above
Answer: Option D

8. The colour of statuary marble used for sculptor's work, is
(A) Red
(B) Blue
(C) White
(D) Green
Answer: Option C

BUILDING MATERIALS MCQS SET 53

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 53

BUILDING MATERIALS MCQS SET 53

1. Pegmatite is a/an
(A) Intrusive igneous rock
(B) Extrusive igneous rock
(C) Sedimentary rock
(D) Metamorphic rock
Answer: Option A

2. Dorry's testing machine is used for
(A) Crushing test of stone
(B) Hardness test of stone
(C) Impact test of stone
(D) Water absorption test
Answer: Option B

3. Dolomite is a lime stone which contains carbonate of magnesia upto
(A) 15 %
(B) 20 %
(C) 25 %
(D) 45 %
Answer: Option D

4. The portion of the brick cut across its width and having its length equal to that of a full brick, is
known as
(A) Closer
(B) Queen closer
(C) King closer
(D) Prince closer
Answer: Option B

5. The minimum percentage of silica, alumina and ferric oxide in lime for white washing, is
(A) 20
(B) 15
(C) 5
(D) 0
Answer: Option D

6. For a 50 kg cement bag water required, is
(A) 16.5 litres
(B) 18.5 litres
(C) 20.5 litres
(D) 22.5 litres
Answer: Option D

7. Slump test for concrete is carried out, to determine
(A) Strength
(B) Durability
(C) Workability
(D) Water content
Answer: Option C

8. The frog of a brick is normally made on its
(A) Top face
(B) Bottom face
(C) Longer face
(D) Shorter side
Answer: Option A

9. Granite mainly composed of quartz and feldspar particles, is obtained from
(A) Sedimentary rocks
(B) Metamorphic rocks
(C) Igneous rocks
(D) All the above
Answer: Option C

10. Pig iron obtained from the furnace which is properly provided with fuel at a very high temperature, is called
(A) Bessemer pig
(B) Grey or foundry pig
(C) White or forge pig
(D) Mottled pig
Answer: Option B

BUILDING MATERIALS MCQS SET 52

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 52

BUILDING MATERIALS MCQS SET 52

1. Mild steel is used for
(A) Structural works in beams, joints and girders
(B) Small sized water pipes
(C) Columns and struts
(D) None of these
Answer: Option A

2. The most valuable timber may be obtained from
(A) Chir
(B) Shishum
(C) Sal
(D) Teak
Answer: Option D

3. Mastic asphalt is
(A) Acid resisting material
(B) Non-corrosive material
(C) Corrosive material
(D) Heating-resisting material
Answer: Option B

4. For lime concrete,
(A) Slump is 50 to 75 mm
(B) Flexural strength at 90 days is 0.2 N/mm2
(C) Compressive strength at 90 days is 1.5 N/mm2
(D) All the above
Answer: Option D

5. The material generally not used as extender in paints, is
(A) Powdered silica
(B) Gypsum
(C) Talc
(D) Zinc white
Answer: Option D

6. Pick up the non-inflammable plastic from the following:
(A) Cellulose acetate plastics
(B) Polyvinyl chloride plastics
(C) Phenol formaldehyde plastic
(D) Urea formaldehyde plastic
Answer: Option B

7. For light and ornamental casting, the most unsuitable pig iron, is
(A) Bessemer pig
(B) Grey or foundry pig
(C) White or forge pig
(D) Mottled pig
Answer: Option D

8. If the ore impurities is
(A) Clay, lime stone is used as flux
(B) Lime stone, clay is used as flux
(C) Quartz, lime stone and argillaceous iron ores are used as flux
(D) All the above
Answer: Option D

9. The plastics prepared from Vinyl resin are
(A) Odourless
(B) Non-toxic
(C) Transparent
(D) All of these
Answer: Option D

10. A rock contains only one mineral. It is called
(A) Homogeneous
(B) Non-homogeneous
(C) Monomineralic
(D) Polymineralic
Answer: Option C

BUILDING MATERIALS MCQS SET 51

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 51

BUILDING MATERIALS MCQS SET 51

1. For making fly-ash building bricks, the following mix of fly-ash, sand and lime, is
(A) 80 : 13 : 7
(B) 70 : 20 : 10
(C) 60 : 35 : 5
(D) None of these
Answer: Option A

2. Water paint is a
(A) White wash
(B) Colour wash
(C) Whiting
(D) All the above
Answer: Option D

3. Spirit varnish generally consists of
(A) Oil, wax and resin
(B) Alcohol, wax and turpentine
(C) Pigment and synthetic resin
(D) Spirit and shellac
Answer: Option D

4. Duco paints are
(A) Plastic paints
(B) Cellulose paints
(C) Emulsion paints
(D) Oil paints
Answer: Option D

5. Pick up the correct statement from the following:
(A) Melamine is obtained from calcium carbide
(B) Formaldehyde is prepared synthetically from methane
(C) The melamine when reacted with formaldehyde forms the melamine-formaldehyde resin
(D) All the above
Answer: Option D

6. Steel contains carbon approximately
(A) 1.50% to 5.6%
(B) 0.05% to 1.75%
(C) 0.25 %
(D) None to these
Answer: Option B

7. Based on its dry weight, a freshly felled tree may contain water
(A) 25 %
(B) 50 %
(C) 75 %
(D) 100 %
Answer: Option D

8. Forge pig may be converted to wrought iron by
(A) Rolling
(B) Pudding
(C) Shingling
(D) Refining
Answer: Option B

9. Pick up the correct statement from the following:
(A) Bull's trench kiln a trench excavated in ground
(B) Hoffman's kiln is constructed over ground
(C) Tunnel Kiln is constructed as a tunnel
(D) All the above
Answer: Option D

10. The softest rock is
(A) Marble
(B) Diamond
(C) Talc
(D) Quartz
Answer: Option C

BUILDING MATERIALS MCQS SET 50

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 50

BUILDING MATERIALS MCQS SET 50

1. In arches, stratified stones are placed so that their planes are
(A) Parallel
(B) Perpendicular
(C) Radial
(D) None of these
Answer: Option C

2. The fire clay contains pure
(A) Lime
(B) Oxide of iron
(C) Hydrated aluminium silicate
(D) Magnesium
Answer: Option C

3. Pick up the correct characteristic of Pyroxene from the following:
(A) It forms octagonal crystals
(B) It converts to chlorine by hydration
(C) Its density is 2.3 to 3.6 g/cm2
(D) All the above
Answer: Option D

4. The base material for distemper, is
(A) Chalk
(B) Lime
(C) Lime putty
(D) Cement wash
Answer: Option A

5. Slacking of lime is affected by
(A) Keeping it exposed to air
(B) Immersing the lime in water
(C) Crushing the lime lumps
(D) None of these
Answer: Option B

6. Stones used for the construction of retaining walls must be
(A) Soft
(B) Hard
(C) Light
(D) Heavy
Answer: Option D

7. Permanent magnets are made of high carbon steel and
(A) 15% of cobalt
(B) 20% of cobalt
(C) 35% of cobalt
(D) 45% of cobalt
Answer: Option D

8. Stainless steel resists corrosion due to
(A) Carbon
(B) Sulphur
(C) Vanadium
(D) Chromium
Answer: Option D

9. The most important constituent of varnish, is
(A) Drier
(B) Solvent
(C) Resin
(D) All the above
Answer: Option D

10. A ferrous metal is
(A) Cast iron
(B) Wrought iron
(C) Steel
(D) All the above
Answer: Option D

BUILDING MATERIALS MCQS SET 49

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 49

BUILDING MATERIALS MCQS SET 49

1. In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane
of bedding is
(A) Right angles
(B) 45°
(C) 60°
(D) Parallel
Answer: Option A

2. The most durable varnish is
(A) Water varnish
(B) Spirit varnish
(C) Turpentine varnish
(D) Oil varnish
Answer: Option D

3. Softer variety of steel may be obtained by
(A) Cementation process
(B) Crucible process
(C) Bessemer process
(D) Open hearth process
Answer: Option C

4. Bitumen emulsion is
(A) A liquid containing bitumen in suspension
(B) A paint
(C) Used as anti-corrosive paint
(D) All the above
Answer: Option D

5. Plastic bitumen is generally used for
(A) Road pavements
(B) Expansion joints
(C) Crack fillings
(D) None to these
Answer: Option C

6. Asbestos is
(A) Corrugated sheet used for roofing
(B) An incombustible fire proof material
(C) An organic substance
(D) All the above
Answer: Option D

7. The rocks which are formed due to pouring of magma at the earth's surface are called
(A) Plutonic rocks
(B) Hypabyssal rocks
(C) Volcanic rocks
(D) Igneous rocks
Answer: Option C

8. Invar contains
(A) 12% of nickel
(B) 24% of nickel
(C) 30% to nickel
(D) 36% of nickel
Answer: Option D

9. Distemper is
(A) A paint consisting of powdered chalk, pigments and water
(B) A water proofing agent
(C) A paint consisting of coloured cement and water
(D) A drying agent
Answer: Option A

10. The compound of Portland cement which reacts immediately with water and also sets first is
(A) Tri-calcium silicate
(B) Di-calcium silicate
(C) Tri-calcium aluminate
(D) Tetra calcium alumino ferrite
Answer: Option C

BUILDING MATERIALS MCQS SET 48

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 48

BUILDING MATERIALS MCQS SET 48

1. Dry rot
(A) Cracks the timber
(B) Reduces the strength of timber
(C) Reduces the timber to powder
(D) Spoils the appearance of timber
Answer: Option C

2. Pozzolana (or surkhi) is used in lime
(A) To impart hydraulicity
(B) To prevent shrinkage
(C) To decrease the cost of construction
(D) To decrease the setting time
Answer: Option A

3. The size of modular bricks, is
(A) 10 × 10 × 9 cm
(B) 19 × 9 × 9 cm
(C) 22.5 × 10 × 8.5 cm
(D) 22.5 × 8.0 × 9 cm
Answer: Option B

4. Plywood is obtained by gluing wooden sheets at
(A) 100 to 150 N/cm2
(B) 100 to 130°C
(C) Both (A) and (B)
(D) Neither (A) nor (B)
Answer: Option C

5. The low voltage porcelain is mainly used for
(A) Switch block
(B) Insulating tubes
(C) Lamp sockets
(D) All of these
Answer: Option D

6. The initial setting time of hydraulic lime, is
(A) 30 minutes
(B) 60 minutes
(C) 90 minutes
(D) 120 minutes
Answer: Option D

7. PVC stands for
(A) Plastic very compact
(B) Polythene vinyl chloride
(C) Polythene vinyl carbon
(D) Polythene vanadium carbide
Answer: Option B

8. Cement paints usually
(A) Contain hydrated lime
(B) Contain 5% to 10% colour pigments
(C) Contain 5% sodium chloride
(D) All the above
Answer: Option D

9. The kiln which may work throughout the year, is
(A) Clamp
(B) Bull's kiln
(C) Hoffman's kiln
(D) None of these
Answer: Option C

10. The main ingredient of a good quality brick earth, is
(A) Magnesia
(B) Lime
(C) Silica
(D) Alumina
Answer: Option D

BUILDING MATERIALS MCQS SET 47

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 47

BUILDING MATERIALS MCQS SET 47

1. Lime concrete is generally used for
(A) Wall foundations
(B) Flooring at ground level
(C) Both (A) and (B)
(D) Neither (A) nor (B)
Answer: Option B

2. Bituminous fells are used for
(A) Covering A.C. sheets
(B) Covering sloping roofs
(C) D.P.C.
(D) None to these
Answer: Option A

3. Quick setting cement is produced by adding
(A) Less amount of gypsum in very fine powdered form
(B) More amount of gypsum in very fine powdered form
(C) Aluminium sulphate in very fine powdered form
(D) Pozzolana in very fine powdered form
Answer: Option C

4. Pick up the correct statement from the following:
(A) The substance which consists of one primary chemical, is known as monomer
(B) The polymer consists of thousands of monomers joined together
(C) The polymer molecule is called macro-molecule

(D) All the above
Answer: Option D

5. The normal curing period for lime mortar, is:
(A) 1 day
(B) 3 days
(C) 7 days
(D) 10 days
Answer: Option C

6. German silver is an alloy of
(A) Zinc, lead and nickel
(B) Silver, gold and lead
(C) Copper, nickel and zinc
(D) Copper, brass and zinc
Answer: Option C

7. For the manufacture of stainless steel, steel is mixed with
(A) Chromium
(B) Nickel
(C) Tungsten
(D) None of these
Answer: Option A

8. The presence of original rounded surface on the manufactured piece of timber, is called
(A) Wane
(B) Torn grain
(C) Diagonal grain
(D) Chipmark
Answer: Option A

9. In paints, the pigment is responsible for
(A) Durability
(B) Colour
(C) Smoothness
(D) Glassy face
Answer: Option B

10. The operation of removal of impurities or clay adhering to iron ores, is known as
(A) Dressing
(B) Calcination
(C) Roasting
(D) Smelting
Answer: Option A

BUILDING MATERIALS MCQS SET 46

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 46

BUILDING MATERIALS MCQS SET 46

1. The compound of Portland cement which contributes to the strength after two to three years is
(A) Tri-calcium silicate
(B) Di-calcium silicate
(C) Tri-calcium aluminate
(D) Tetra-calcium alumino ferrite
Answer: Option B

2. Bessemer process is used for the manufacture of
(A) Pig iron
(B) Cast iron
(C) Wrought iron
(D) Steel
Answer: Option D

3. Which one of the following is an air binding material?
(A) Gypsum
(B) Acid-resistant cement
(C) Quick lime
(D) All of these
Answer: Option D

4. A good quality stone absorbs water less than
(A) 5 %
(B) 10 %
(C) 15 %
(D) 25 %
Answer: Option A

5. The slag which floats on the surface of the molten iron generally contains
(A) Lime (CaO) 45%
(B) Silica (SiO2) 35%
(C) Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8%
(D) All the above
Answer: Option D

6. For the manufacture of plywood, veneers are placed so that grains of adjacent veneers
(A) Run at right angles
(B) Parallel
(C) Inclined at 45°
(D) Inclined at 60°
Answer: Option A

7. The commonly used drying oil for oil paints, is
(A) Olive oil
(B) Linseed oil
(C) Kerosene oil
(D) Acetate of lead
Answer: Option D

8. Initial setting of cement is caused due to
(A) Tri-calcium silicate
(B) Di-calcium silicate
(C) Tri-calcium aluminate
(D) Tetra calcium alumino ferrite
Answer: Option C

9. Wrought iron is manufactured from pig iron by
(A) Refining
(B) Pudding
(C) Shingling
(D) All the above
Answer: Option D

10. Fibre boards can be
(A) Distempered
(B) Painted
(C) Painted and distempered
(D) Used for furniture
Answer: Option D

BUILDING MATERIALS MCQS SET 45

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 45

BUILDING MATERIALS MCQS SET 45

1. The commonly used colour pigment in paints, is
(A) Ambers
(B) Carbon black
(C) Iron oxide
(D) All the above
Answer: Option D

2. The variety of pig iron used for the manufacture of steel by Bessemer process, is
(A) Bessemer pig
(B) Grey pig
(C) White forge pig
(D) Mottled pig
Answer: Option A

3. Vanadium steel is generally used for
(A) Railway switches and crossing
(B) Bearing balls
(C) Magnets
(D) Axles and springs
Answer: Option D

4. A badly mixed cement concrete results in
(A) Segregation
(B) Bleeding
(C) Honey combing
(D) None of these
Answer: Option C

5. Chemically, marble is known as
(A) Metamorphic rock
(B) Argillaceous rock
(C) Calcareous rock
(D) Siliceous rock
Answer: Option C

6. The filler used in plastic bitumen, is
(A) Shale powder
(B) Talc powder
(C) Asbestos powder
(D) Plastic powder
Answer: Option C

7. Mastic asphalt is generally used for
(A) Damp proof course
(B) Water proof layer
(C) Partition walls
(D) Both (A) and (B)
Answer: Option D

8. The most fire resistant paints are:
(A) Enamel paints
(B) Aluminium paints
(C) Asbestos paints
(D) Cement paints
Answer: Option C

9. A pug mill is used for
(A) Softening brick earth
(B) Moulding brick earth
(C) Tempering brick earth
(D) Providing brick earth
Answer: Option C

10. A good brick earth should contain:
(A) About 20% to 30% of alumina
(B) About 50% to 60% of silica
(C) Not more than 5% of lime
(D) All the above
Answer: Option D

BUILDING MATERIALS MCQS SET 44

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 44

BUILDING MATERIALS MCQS SET 44

1. The initial setting time of lime-pozzolana, is
(A) 30 minutes
(B) 60 minutes
(C) 90 minutes
(D) 120 minutes
Answer: Option D

2. The clay to be used for manufacturing bricks for a large project, is dugout and allowed to weather
throughout
(A) The monsoon
(B) The winter
(C) The summer
(D) None of these
Answer: Option A

3. If the furnace is provided with insufficient fuel at low temperatures, the type of pig iron produced,
is called
(A) Bessemer pig
(B) Grey or foundry pig
(C) White or forge pig
(D) Mottled pig
Answer: Option C

4. Depending on the chemical composition and mechanical properties, iron may be classified as
(A) Cast iron
(B) Wrought iron
(C) Steel
(D) All the above
Answer: Option D

5. The main constituent of fly-ash, is
(A) Aluminium oxide
(B) Silica
(C) Ferrous oxide
(D) All of these
Answer: Option D

6. Brittleness of cold is due to an excess of
(A) Sulphur
(B) Carbon
(C) Phosphorus
(D) Silicon
Answer: Option C

7. Asbestos cement
(A) Is brittle
(B) Warps due to changes in humidity
(C) Strength is lowered when saturated by water
(D) All of the above
Answer: Option D

8. Gneiss is obtained from
(A) Igneous rocks
(B) Metamorphic rocks
(C) Sedimentary rocks
(D) Sedimentary metamorphic rocks
Answer: Option D

9. Fibre glass
(A) Retains heat-longer
(B) Has a higher strength to weight ratio
(C) Is shock proof and fire retardant
(D) All the above
Answer: Option D

10. Pick up the correct statement from the following:
(A) The theory of formation of concrete is based on the phenomena of formation of voids
(B) The bulking of sand is taken into account while volumetric proportioning of the aggregates
(C) The dry sand and the sand completely flooded with water, have practically the same volume
(D) All the above
Answer: Option D

BUILDING MATERIALS MCQS SET 43

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 43

BUILDING MATERIALS MCQS SET 43

1. Pick up the correct statement from the following:
(A) Hornblende mineral is brittle
(B) Muscovite is also known as white mica and potash mica
(C) Biotite is also known as black-mica
(D) All the above
Answer: Option D

2. Good quality sand is never obtained from
(A) River
(B) Lake
(C) Sea
(D) Gravel powder
Answer: Option C

3. Lime mortar is generally made with
(A) Quick lime
(B) Fat lime
(C) Hydraulic lime
(D) Plain lime
Answer: Option C

4. Pick up the compound responsible for early strength of cement from the following:
(A) Tetra-calcium alumino-ferrite
(B) Tri-calcium silicate
(C) Tri-calcium aluminate
(D) Di-calcium silicate
Answer: Option B

5. Linseed oil is used in paints as
(A) Thinner
(B) Vehicle
(C) Base
(D) Drier
Answer: Option D

6. Asphalt is obtained from
(A) Petroleum distillation
(B) Bitumen distillation
(C) Plastic distillation
(D) None of these
Answer: Option A

7. Percentage content of silica in window glass, is
(A) 40 to 45
(B) 50 to 55
(C) 60 to 65
(D) 70 to 75
Answer: Option D

8. Most commonly used solvent in oil paints, is
(A) Petroleum
(B) Spirit
(C) Coal tar
(D) Turpentine
Answer: Option A

9. The harmonious mixing of the clay ingredients, is known as
(A) Weathering
(B) Blending
(C) Tempering
(D) None of these
Answer: Option B

10. Bitumen felt
(A) Is used as water proofing material
(B) Is used as damp proofing material
(C) Is made from bitumen and hessian fibres
(D) All the above
Answer: Option D

BUILDING MATERIALS MCQS SET 42

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 42

BUILDING MATERIALS MCQS SET 42

1. Bitumen in
(A) Solid state, is called asphalt
(B) Semi fluid state, is called mineral tar
(C) Fluid state, is called petroleum
(D) All the above
Answer: Option D

2. Varnish is a transparent or semi-transparent solution of resinous substances in
(A) Alcohol
(B) Linseed
(C) Turpentine
(D) All the above
Answer: Option D

3. Refractory bricks are used for
(A) Retaining walls
(B) Columns
(C) Piers
(D) Combustion chambers
Answer: Option D

4. Minimum required water cement ratio for a workable concrete, is
(A) 0.30
(B) 0.40
(C) 0.50
(D) 0.60
Answer: Option B

5. Minimum of 40% of iron, is available in
(A) Magnetite
(B) Red haematite
(C) Limonite
(D) Black band
Answer: Option D

6. Portland pozzolana cement possesses
(A) Higher resistance to chemical attack
(B) Lower heat of hydration
(C) Lower shrinkage on drying
(D) All the above
Answer: Option D

7. Dextrin is
(A) Animal glue
(B) Starch glue
(C) Albumin glue
(D) Rubber based adhesive
Answer: Option D

8. Mastic asphalt is normally used for
(A) Sound insulation
(B) Water proofing
(C) Fire proofing
(D) None to these
Answer: Option B

9. The steel which contains fissures and cavities, is manufactured by
(A) Cementation process
(B) Crucible process
(C) Bessemer process
(D) Open hearth process
Answer: Option A

10. Based on flow quality, the sequence of pipes is
(A) A.C. pipes, G.I. pipes, C.I. pipes, PVC pipes
(B) C.I. pipes, G.I. pipes, A.C. pipes, PVC pipes
(C) C.I. pipes, G.I. pipes, PVC pipes, A.C. pipes
(D) None of these
Answer: Option B

BUILDING MATERIALS MCQS SET 41

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 41

BUILDING MATERIALS MCQS SET 41

1. Pick up the correct statement from the following:
(A) The percentage of absorption for firebricks varies from 5 to 10
(B) The percentage of silica in silica bricks is to the extent of about 95 to 97 percent
(C) Roughly 1 to 2 percent of lime in silica bricks is added to act as binding material
(D) All the above
Answer: Option D

2. Good quality cement contains higher percentage of
(A) Tri-calcium silicate
(B) Di-calcium silicate
(C) Tri-calcium aluminate
(D) Tetra calcium alumino ferrite
Answer: Option A

3. Laterite is a/an
(A) Volcanic rock
(B) Argillaceous rock
(C) Calcareous rock
(D) Siliceous rock
Answer: Option B

4. Seasoning of timber is essential to remove
(A) Knots from timber
(B) Sap from timber
(C) Twisted fibre from timber
(D) Roughness of timber
Answer: Option B

5. The term frog means
(A) An apparatus to lift the stone
(B) A depression on a face of brick
(C) Vertical joint in a brick work
(D) Soaking brick in water
Answer: Option B

6. The presence of sand in brick earth prevents:
(A) Cracking of bricks
(B) Shrinkage of bricks
(C) Warping of bricks
(D) None of these
Answer: Option C

7. Refractory bricks are
(A) Neutral refractory bricks
(B) Acid refractory bricks
(C) Basic refractory bricks
(D) All the above
Answer: Option D

8. A prime coat is given to steel work with
(A) An oxide of iron paint
(B) A mixture of white lead and lead paint
(C) A special paint
(D) Cement paint
Answer: Option B

9. Teak wood is suitable for
(A) Sports articles
(B) Furnitures
(C) Railway sleepers
(D) All the above
Answer: Option B

10. Elastomers can extend upto
(A) Five times their original dimensions
(B) Seven times their original dimensions
(C) Ten times their original dimensions
(D) Three times their original dimensions
Answer: Option C

BUILDING MATERIALS MCQS SET 40

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 40

BUILDING MATERIALS MCQS SET 40

1. Seasoning is
(A) A process of removing sap
(B) Creosoting
(C) Painting with sodium silicate
(D) Coating with tar
Answer: Option A

2. Soundness test of cement determines
(A) Quality of free lime
(B) Ultimate strength
(C) Durability
(D) Initial setting
Answer: Option A

3. Turpentine oil is used in paints as
(A) Thinner
(B) Vehicle
(C) Base
(D) Drier
Answer: Option A

4. Stucco paints are suitable for
(A) Stone masonry
(B) Brick walls
(C) Both (A) and (B)
(D) Neither (A) nor (B)
Answer: Option C

5. Stones used for ornamental work must be
(A) Soft
(B) Hard
(C) Light
(D) Heavy
Answer: Option A

6. Lime stone is not a
(A) Sedimentary rock
(B) Stratified rock
(C) Aqueous rock
(D) Metamorphic rock
Answer: Option D

7. Pick up the correct statement from the following:
(A) The heating of a material to redness in contact with air, is known as calcination
(B) The property of lime by which it sets or hardens in damp places having no free circulation of
air is called setting
(C) The product that remains after calcination of limestone, is called lime
(D) All the above
Answer: Option D

8. Pick up the correct statement from the following:
(A) The average crushing strength of hand moulded bricks is 6000 t/m2
(B) The average tensile strength of hand moulded brick is 200 t/m2
(C) The average shearing strength of hand moulded brick is 600 t/m2
(D) All the above
Answer: Option D

9. Snowcrete is one of the patent forms of
(A) Distempers
(B) Water proof cement paints
(C) Enamel paints
(D) Cellulose paints
Answer: Option B

10. Cast iron is used for
(A) Structural works in beams
(B) Small sized water pipes
(C) Columns and struts
(D) None to these
Answer: Option C

BUILDING MATERIALS MCQS SET 39

CIVIL ENGINEERING April 21, 2020

BUILDING MATERIALS MCQS SET 39

BUILDING MATERIALS MCQS SET 39

1. According to ISI, bitumen is classified into
(A) 2 grades
(B) 4 grades
(C) 8 grades
(D) 10 grades
Answer: Option D

2. Basalt is
(A) Sedimentary rock
(B) Metamorphic rock
(C) Extrusive igneous rock
(D) Intrusive igneous rock
Answer: Option C

3. The size of mould for bricks, is generally kept
(A) A little large to specified size
(B) A little small to specified size
(C) Equal to specified size
(D) 10% larger than specified size
Answer: Option A

4. For construction of structures under water, the type of lime used, is
(A) Hydraulic lime
(B) Fat lime
(C) Quick lime
(D) Pure lime
Answer: Option A

5. French polish is
(A) Oil paint
(B) Distemper
(C) Spirit varnish
(D) None to these
Answer: Option C

6. Ultimate strength to cement is provided by
(A) Tri-calcium silicate
(B) Di-calcium silicate
(C) Tri-calcium aluminate
(D) Tetra calcium alumino ferrite
Answer: Option B

7. Wrought iron contains carbon about
(A) 1.5% to 5.5%
(B) 0.5% to 1.75%
(C) 0.1% to 0.25%
(D) None to these
Answer: Option C

8. Galvanising means covering iron with a thin coat of
(A) Tin
(B) Zinc
(C) Glaze
(D) Coal tar
Answer: Option B

9. The rocks in which argil (or clay) predominates, are called
(A) Siliceous rocks
(B) Argillaceous rocks
(C) Calcareous rocks
(D) Igneous rocks
Answer: Option B

10. Name the type of cement from the following for canal linings:
(A) Sulphate resisting cement
(B) Rapid hardening cement
(C) Quick setting cement
(D) Pozzolana cement
Answer: Option A

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