R4RIN – MCQs, Mock Tests | Civil Engineering Building Materials and Construction MCQ

Which of the following stone has the highest resistance to fire?

1. Argillaceous material
2. Sandstone
3. Limestone
4. Granite

✅ Correct Answer: 1

The most powerful explosives used in blasting is

1. Cordite
2. Dynamite
3. Guncotton
4. Gunpowder

✅ Correct Answer: 3

Quarrying by using channeling machine is employed for quarrying in

1. Hard rock
2. Sandstones
3. Soft rock
4. All the above

✅ Correct Answer: 3

A fine grained granite

1. Can be used for exterior facing of buildings
2. Can be polished well
3. Offers higher resistance to weathering
4. All of the above

✅ Correct Answer: 4

The principal constituent of argillaceous rock is

1. Sand
2. Clay
3. Lime
4. All the above

✅ Correct Answer: 2

Sedimentary rocks are formed due to

1. Alteration of original stones under heat and pressure
2. Solidification of molten mass
3. Gradual deposition of materials like sand, clay, generally by setting water
4. None of the above

✅ Correct Answer: 3

Which one of the following is not a preservative of stone

1. ASCU
2. Paraffin
3. Coal tar
4. Linseed oil

✅ Correct Answer: 1

Which of the following has the highest crushing strength?

1. Trap
2. Granite
3. Gneiss
4. Basalt

✅ Correct Answer: 1

The process of giving required shape and size to stones is known as

1. Quarrying
2. Polishing
3. Seasoning
4. Dressing

✅ Correct Answer: 4

The process of giving required shape and size to stones is known as

1. Quarrying
2. Polishing
3. Seasoning
4. Dressing

✅ Correct Answer: 1

Limestone used for manufacture of cement is

1. compact limestone
2. granular limestone
3. magnesium limestone
4. kankar

✅ Correct Answer: 4

Red colour of brick is due to the presence of

1. iron oxide
2. manganese
3. silica
4. lime

✅ Correct Answer: 1

The ore from which aluminium is extracted economically is

1. bauxite
2. corundum
3. kryolite
4. kaolin

✅ Correct Answer: 1

Which one of the following is not a variety of brass

1. brown brass
2. red brass
3. yellow brass
4. white brass

✅ Correct Answer: 1

The process of heating limestone to redness is termed as

1. calcination
2. carbonation
3. oxidation
4. hydration

✅ Correct Answer: 1

The rocks formed due to solidification of molten mass are called

1. igneous rocks
2. metamorphic rocks
3. sedimentary rocks
4. aqueous rocks

✅ Correct Answer: 1

Which of the following is an example of siliceous rock?

1. quartzite
2. granite
3. gnesis
4. All of the above

✅ Correct Answer: 1

Dressing of the stone is made

1. after three months of quarrying
2. after seasoning
3. just before using for building works
4. immediately after quarrying

✅ Correct Answer: 2

After felling and separating branches the tree is known as

1. rough timber
2. converted timber
3. log
4. none of the above

✅ Correct Answer: 1

Laterite is chemically classified as

1. argillaceous rock
2. calcareous rock
3. siliceous rock
4. metamorphic rock

✅ Correct Answer: 1

Which of the following has the lowest strength?

1. granite
2. sandstone
3. laterite
4. marble

✅ Correct Answer: 3

The layer between the dark and sapwood which is yet to be converted into wood is known as

1. cambium layer
2. softwood
3. heartwood
4. pith

✅ Correct Answer: 1

Stain appears in wood due to

1. crushing during growth
2. shock when it was young
3. contact with water and chemicals for long time
4. poor ventilation during storage

✅ Correct Answer: 3

Alumina is brick earth gives the bricks

1. plasticity
2. resistance to shrinkage
3. colour
4. strength

✅ Correct Answer: 1

Plywood is identified by

1. thickness
2. area
3. weight
4. volume

✅ Correct Answer: 1

Which one of the following does not belong to endogenous trees

1. bamboo
2. cane
3. coconut
4. teak

✅ Correct Answer: 1

Which one of the following is not a preservative of timber

1. solution of barium hydroxide
2. creosote
3. chemical salt
4. solignum salt

✅ Correct Answer: 1

Excess of lime in the brick earth makes the bricks

1. improve durability
2. melt and lose shape
3. crack and warp
4. brittle and weak

✅ Correct Answer: 2

The brick is considered dry when the moisture content is

1. 0%
2. 2%
3. 5%
4. 8%

✅ Correct Answer: 2

The oldest part of exogenous tree is

1. cambium layer
2. sapwood
3. heartwood
4. pith

✅ Correct Answer: 4

A thin sheet of wood sliced from a log is called

1. particle board
2. veneer
3. lamin board
4. plywood

✅ Correct Answer: 2

The colour of cast iron is

1. white
2. grey
3. both grey and white
4. none of the above

✅ Correct Answer: 3

Quicklime on reaction with water

1. calcium hydroxide
2. calcium oxide
3. calcium carbonate
4. none of the above

✅ Correct Answer: 1

The major constituent of cement is

1. alumina
2. iron oxide
3. silica
4. lime

✅ Correct Answer: 4

Normal consistency of cement is about

1. 7%
2. 14%
3. 28%
4. 29%

✅ Correct Answer: 3

Gauged cement mortar consists of

1. cement, cinder, sand
2. cement, lime, sand
3. cement, surkhi, sand
4. cement and sand

✅ Correct Answer: 2

Which one of the following is not workability enhancing agent?

1. air entraining agents
2. super plasticizer
3. silica fume
4. plasticizer

✅ Correct Answer: 3

The trees, of which leaves fall in autumn and new ones appear in spring are classified as

1. endogenous trees
2. coniferous trees
3. deciduous trees
4. none of the above

✅ Correct Answer: 3

Smith's test on stone is to check

1. compressive strength
2. hardness
3. presence of muddy substance
4. toughness

✅ Correct Answer: 3

Slate is used for

1. roofing
2. manufacture of cement
3. road metal
4. building walls

✅ Correct Answer: 1

Which one of the following does not belong to exogenous tree

1. bamboo
2. deodar
3. pne
4. mahogany

✅ Correct Answer: 4

In water seasoning

1. timber may be placed in any direction
2. timber log is placed at right angle to the stream
3. timber is placed with thicker end pointing downstream
4. timber is placed with thicker end pointing upstream

✅ Correct Answer: 4

Thickness of web of hollow bricks should not be less than

1. 8 mm
2. 12 mm
3. 16 mm
4. 20 mm

✅ Correct Answer: 1

Bronze is an alloy of

1. copper and tin
2. aluminium and copper
3. copper and zinc
4. none of the above

✅ Correct Answer: 1

The lime which has property of setting in water is known as

1. magnesium lime
2. quicklime
3. hydraulic lime
4. fat lime

✅ Correct Answer: 3

Gypsum is added during the manufacture of cement

1. after grinding the clinker
2. at the beginning of grinding the clinker
3. during burning in the kiln
4. while mixing the raw materials

✅ Correct Answer: 2

Which one of the following is not a Pozzolanic material?

1. blast furnace slag
2. gypsum
3. rice husk ash
4. fly ash

✅ Correct Answer: 2

The inert material to be used for making lime mortar is

1. cinder
2. sand
3. surkhi
4. any of the above

✅ Correct Answer: 4

Which one of the following yields more workable concrete?

1. smaller size aggregates with angular shape
2. smaller size aggregates with rounded shape
3. bigger size aggregates with angular shape
4. bigger size aggregates with rounded shape

✅ Correct Answer: 4

The main constituent which imparts hydraulicity to hydraulic lime is

1. clay
2. calcium oxide
3. water
4. silica

✅ Correct Answer: 1

Commonly used vehicle in paint is

1. nut oil
2. poppy oil
3. linseed oil
4. any one of the above

✅ Correct Answer: 3

Main constituent of glass is

1. silica
2. acrylic
3. alumina
4. none of the above

✅ Correct Answer: 1

Gypsum boards are manufactured by mixing gypsum with

1. asphalt
2. bitumen
3. rubber
4. tar

✅ Correct Answer: 1

The constituents of stainless steel are

1. steel and nickel
2. steel and molybdenum
3. steel and manganese
4. steel, chromium and nicke

✅ Correct Answer: 4

Purest form of iron is

1. steel
2. wrought iron
3. cast iron
4. pig iron

✅ Correct Answer: 2

Siliceous sand subjected to metamorphic action is known as

1. dolomite
2. murram
3. laterite
4. quartzite

✅ Correct Answer: 4

Solidification of molten magma within the earth’s crust results in the formation of

1. granite
2. metamorphic rock
3. sedimentary rock
4. basalt and trap

✅ Correct Answer: 1

Zinc is

1. a metal
2. an alloy of copper and chrome
3. an alloy of aluminium and chrome
4. an alloy of aluminium and copper

✅ Correct Answer: 1

The commonly used lime for whitewashing is

1. quicklime
2. fat lime
3. lean lime
4. hydraulic lime

✅ Correct Answer: 2

Hydraulic lime is obtained by

1. burning kankar
2. calcinations of pure clay
3. calcinations of limestone
4. slaking quicklime

✅ Correct Answer: 4

The constituent responsible for setting of hydraulic lime under water is

1. carbon dioxide
2. calcium oxide
3. clay
4. silica

✅ Correct Answer: 4

Gypsum is added in the manufacture of Portland cement to

1. to decrease grinding time
2. to enhance the strength of cement
3. increase setting time of cement
4. reduce setting time of cement

✅ Correct Answer: 3

Which one of the following is not a desirable property of sand?

1. it should be well graded
2. it should be hard
3. it should contain sharp, angular grains
4. it should be chemically active

✅ Correct Answer: 4

Curing of concrete is the process of

1. keeping the surrounding cool
2. maintaining satisfactory moisture and temperature for a specific time
3. bonding the water on the surface
4. covering the surface with wet gunny bags

✅ Correct Answer: 2

The ingredient of paint that reduces the cost and increases durability is

1. vehicle
2. filler
3. solvent
4. vehicle

✅ Correct Answer: 2

The surface of which paint can be cleaned by washing with water?

1. bituminous paint
2. emulsion paint
3. enamel paint
4. oil paint

✅ Correct Answer: 2

Which paint is ideally suited to get damp proof surface?

1. asbestos paint
2. aluminium rubber paint
3. plastic paint
4. synthetic rubber paint

✅ Correct Answer: 1

Painting work is generally specified by

1. area of the painted surface
2. labour used for painting
3. volume of the paint used
4. weight of the paint used

✅ Correct Answer: 1

Bulletproof of glass has

1. a number of layers all of same thickness
2. inner layers with steel wires
3. outer layers thicker than inner layers
4. outer layers thinner than inner layers

✅ Correct Answer: 4