Practice Building Materials Multiple Choice Questions Quiz-1 - MCQGeeks.com

Q.1

Pick up the incorrect statement from the following:

Plastics are chemical resistant
Plastics are durable
Plastics are ductile
Plastics are excellent electric insulators

Q.2

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

Q.3

Pick up the correct statement from the following:

For thin structures subjected to wetting and drying, the water cement ratio should be 0.45
For mass concrete structures subjected to wetting and drying, the water ratio should be 0.55
For thin structures which remain continuously under water, the water-cement ratio by weight should be 0.55
All the above

Q.4

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

Q.5

Pick up the correct statement from the following:

The plywoods do not split or crack due to changes in atmosphere
The commercial plywoods are available upto 150 cm wide and upto 300 cm long
The plywoods possess uniform tensile strength in all directions
All the above

Q.6

Pick up the correct statement from the following:

The substance which consists of one primary chemical, is known as monomer
The polymer consists of thousands of monomers joined together
The polymer molecule is called macro-molecule
All the above

Q.7

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

Q.8

Pick up the synthetic resin from the following:

Urea resin
Phenolic resin
Resorcinol resin
All of these

Q.9

Pick up the correct statement from the following:

Steel produced by open hearth process is milder than that obtained by the Bessemer process
Engineers prefer open hearth steel for structural purpose as it is more homogenous
Basic Bessemer process is suitable for converting poor ore containing a large proportion of sulphur and phosphorus into steel
All the above

Q.10

Pick up the correct statement from the following:

Styrene resin is produced from ethylene which is made from petroleum
Styrene resin is light in weight
Styrene resin transmits ultraviolet waves of light
All the above

Q.11

Pick up the compound responsible for early strength of cement from the following:

Tetra-calcium alumino-ferrite
Tri-calcium silicate
Tri-calcium aluminate
Di-calcium silicate

Q.12

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

Q.13

Pick up the correct statement from the following:

The distinct plane of division along which a stone can easily be split, is called natural bed of stone
The natural bed of sedimentary rocks is along the planes of stratification
The natural bed of igneous rocks is not defined
All the above

Q.14

Pick up the correct statement from the following:

The free quartz suddenly expands at a temperature lower than 600°C
The lime stone resists fire upto about 800°C and at higher temperature it splits into CaO and CO2
The sand stone with silicates resist a fire in a better way
All the above

Q.15

Pick up the correct statement from the following:

The heating of a material to redness in contact with air, is known as calcination
The property of lime by which it sets or hardens in damp places having no free circulation of air is called setting
The product that remains after calcination of limestone, is called lime
All the above

Q.16

Pick up the correct statement from the following:

The lime in excess makes the cement unsound and causes the cement to expand and disintegrate
The silica in excess makes the cement stronger but its setting time also increases
The excess amount of alumina weakens the cement
All the above

Q.17

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

Q.18

Pick up the correct statement from the following:

In basic Bessemer process, the steel heats the converter
In open-hearth process, the furnace heats the steel
In Siemens process, the impurities of pig iron are oxidized by the oxygen of the ore
All the above

Q.19

Pick up the correct statement from the following:

In stone arches, the stones are placed with their natural beds radial
In cornices, the stones are placed with their natural beds as vertical
In stone walls, the stones are placed with their natural beds as horizontal
All the above

Q.20

Pick up the correct characteristic of Pyroxene from the following:

It forms octagonal crystals
It converts to chlorine by hydration
All the above

Q.21

Pick up the correct statement from the following:

The phenol is carbolic acid
The phenol is either extracted from coal-tar or prepared from benzene
Phenol reacts with formaldehyde, to form phenol formaldehyde resin
All the above

Q.22

Pick up the correct statement from the following:

Roasting is not necessary if iron ore is an oxide
Impurities float on the molten iron as slag
The slag contains lime about 45%
All the above

Q.23

Pick up the correct statement from the following:

Rusting is caused due to combined action of air, moisture and carbon dioxide
During rusting, first ferrous bicarbonates are formed
On further oxidation ferrous bicarbonates get converted to ferric bicarbonates
All the above

Q.24

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

Q.25

Pick up the correct statement from the following:

Lime is available in Free State
Lime is available by dissolving calcium carbonate in water
Lime is available by calcining calcium carbonate at 900°C
Lime is nothing but calcium chloride

Q.26

Pick up the correct statement from the following:

Slaked lime contains calcium hydroxide
Quick lime contains calcium oxide
Slaked lime may be obtained from quick lime
All the above

Q.27

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

Q.28

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

Q.29

Pick up the correct statement from the following:

Melamine is obtained from calcium carbide
Formaldehyde is prepared synthetically from methane
The melamine when reacted with formaldehyde forms the melamine-formaldehyde resin
All the above

Q.30

Pick up the volcanic rock from the following:

Granite
Dolerite
Basalt
All the above

Q.31

Pick up the correct statement from the following:

Plastics have generally low melting point
The coefficient of thermal expansion of plastics is about three times than that of steel
The acoustical boards prepared by impregnating fibre-glass with phenolic resins has absorption coefficient of about 0.67
All the above

Q.32

Pick up the polymineralic rock from the following:

Quartz sand
Pure gypsum
Magnesite
Granite

Q.33

Pick up the correct statement from the following:

Quick lime is obtained by burning pure lime stone
Hydraulic lime is obtained by burning lime stone containing clay 5% to 30%
Poor lime is obtained by burning lime stone containing impurities more than 5%
All the above

Q.34

Pick up the correct statement from the following:

Bull's trench kiln a trench excavated in ground
Hoffman's kiln is constructed over ground
Tunnel Kiln is constructed as a tunnel
All the above

Q.35

Pick up the correct statement from the following:

Catalysts are added to assist and accelerate the hardening of resin
The fillers are inert materials and they impart strength and hardness
Fibrous fillers increase thermal resistance
All the above

Q.36

Pick up the correct statement from the following:

Corrugated sheet iron is made by passing plain sheets between grooved rollers
Strength and stiffness of corrugated sheets are considerably increased
Corrugated sheets are generally used on slanting roofs
All the above

Q.37

Pick up the hypabyssal rock from the following:

Granite
Dolerite
Basalt
All the above

Q.38

Pick up the correct statement from the following:

Hornblende mineral is brittle
Muscovite is also known as white mica and potash mica
Biotite is also known as black-mica
All the above

Q.39

Pick up the incorrect statement from the following:

Hydraulic lime is generally obtained by burning kankar
Hydraulic lime sets slowly as compared to fat lime
Hydraulic lime is generally used in lime mortar
None of these

Q.40

Pick up correct statement from the following:

Fibre boards are used for thermal and acoustic control
Fibre boards are used for light weight standing members
Fibre boards are obtained by impregnating a resin product on fibres
All the above

Q.41

Ultimate strength to cement is provided by

Tri-calcium silicate
Di-calcium silicate
Tri-calcium aluminate
Tetra calcium alumino ferrite

Q.42

The main constituent of fly-ash, is

Aluminium oxide
Silica
Ferrous oxide
All of these

Q.43

The most important constituent of varnish, is

Drier
Solvent
Resin
All the above

Q.44

The type of bond provided in brick masonry for carrying heavy loads is

Single Flemish bond
Double Flemish bond
English bond
Zigzag bond

Q.45

Expansion Joints in masonry walls are provided in wall lengths usater than

10 m
20 m
30 m
40 m

Q.46

Which of the following bricks are used for lining of furnaces?

Over-burnt bricks
Under-burnt bricks
Refractory bricks
First class bricks

Q.47

The commonly used base for iron and steel work, is

Red lead
Zinc white
White lead
Titanium white

Q.48

When a brick is immersed in water for 24 hours and then dried, if

No grey or white deposits appear on the surface, the brick is free from soluble salts
10 percent surface is covered with grey or white deposits, the brick has slight efflorescence
50 percent surface is covered with grey or white deposits, the brick has serious efflorescence
All the above

Q.49

Stones used for ornamental work must be

Soft
Hard
Light
Heavy

Q.50

Red short iron cracks when bent due to the presence of

Sulphur
Carbon
Phosphorus
Silicon

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