IIT JEE/Basic Civil Engineering Questions and Answers Sample Test,Sample questions

Question:
Acid-resistant cement and gypsum are examples of _________ materials.

1.Air binding

2.Hydraulic binding

3.Autoclave binding

4.Sound binding


Question:
Circular finished stones are generally used for:

1.Pillar

2.Tombstone

3.Landscaping

4.Column


Question:
Common glass is mainly a mixture of ___________

1.Calcium silicate, potassium silicate and copper silicate

2.Sodium silicate, iron silicate and calcium silicate

3.Aluminium silicate, potassium silicate and iron silicate

4.Magnesium silicate, potassium silicate and zinc silicate


Question:
Dressing of stones is carried out to:

1.To provide employment to people

2.To make transport of stones to site easy and economic

3.To reduce water content of stone

4.To avoid further works on the stone


Question:
Dynamite is a more effective explosive than gelignite.

1.True

2.False


Question:
Fat lime is also called _________

1.Water lime

2.Pure lime

3.Impure lime

4.Lean lime


Question:
Ferric oxide gives a very light yellow tint to the glass while ferrous oxide imparts a green colour.

1.True

2.False


Question:
Fine sand is generally used for which of the following works?

1.Masonry

2.Concrete structures

3.Plastering

4.Grinding and polishing


Question:
Fire-resistant mortar is obtained by the addition of ____________ to the powder of fire-bricks.

1.Silica

2.Sodium silicate

3.Aluminous cement

4.Caustic soda


Question:
Glass can be made opaque by grinding the surface of the glass with _________

1.Mortar

2.Flint

3.Alcohol

4.Emery


Question:
he process of heating to redness in the presence of air is called __________

1.Hydraulicity

2.Setting

3.Roasting

4.Calcination


Question:
Heavy mortars have a bulk density equal to greater than _________

1.500 kg/m3

2.1000 kg/m3

3.1500 kg/m3

4.2500 kg/m3


Question:
How many types of dressings are there with respect to the place of work?

1.4

2.3

3.2

4.None


Question:
In order to develop hydraulicity, it is necessary to have _________ and _________ present in chemical combination with the limestone.

1.Alumina and carbon

2.Magnesium and carbon

3.Silica and carbon

4.Alumina and silica


Question:
In the silvering of glass, a thin coat of ______ is first applied on which silver is then deposited.

1.Tin

2.Zinc

3.Iron

4.Copper


Question:
Increase in volume of the sand due to the presence of moisture is called ___________ of sand.

1.Bulking

2.Normalising

3.Shrinkage

4.Titrating


Question:
Kankar is an impure limestone while white chalk is pure limestone.

1.True

2.False


Question:
Lime is obtained from the calcination of ___________

1.Lime-silica

2.Sandstone

3.Limestone

4.Lime-concrete


Question:
Lime mortar should be consumed within ___________ after its preparation.

1.2 days

2.14 days

3.36 days

4.36 hours


Question:
Litharge is _________

1.Lead trioxide

2.Lead sesquioxide

3.Lead dioxide

4.Lead monoxide


Question:
On the basis of the size of grains, the sand is classified into three categories – coarse, fine, and gravelly sand.

1.True

2.False


Question:
Quarry faced finished stones are also called:

1.Reticulated finish

2.Hammer faced finished

3.Rock faced stones

4.Plain finish


Question:
Sand is a fine grained component in soil.

1.True

2.False


Question:
Slaked lime is __________

1.Calcium oxide

2.Hydrated oxide of calcium

3.Calcium carbonate

4.Calcium silicate


Question:
Stones are obtained from rocks that are made up of:

1.Ores

2.Minerals

3. Chemical compounds

4.Crystals


Question:
The chemical composition of quick lime is ____________

1.CaS

2.CaO

3.MgO

4.MgS


Question:
The process of adding cement in order to improve the quality of lime mortar is known as __________

1.Gauging

2.Piling

3.Slaking

4.Reinforcing


Question:
The process of slow and gradual cooling of glass articles is known as _________

1.Pressing

2.Rolling

3.Annealing

4.Spinning


Question:
To detect the presence of organic impurities in sand, solution of ___________ is used.

1.Silver chloride

2.Sodium acetate

3.Sodium hydroxide

4.d) Calcium carbonate


Question:
What is sand blasting?

1.Process of making carvings on stone surface

2.Quarrying technique

3.Dressing type

4.Process of using sand to blast stone surface


Question:
What is sand composed of?

1.Silica

2.Silicon

3.Silicon oxide

4.Quartz


Question:
What is the colour of river sand?

1.Black

2.Brown

3.Grey

4.White


Question:
What is the colour of sea sand?

1.Blue

2.Light brown

3.Black

4.Red


Question:
What is the relation between LLR (Line of Least Resistance) and amount of explosives to be used?

1.Higher the LLR, higher the amount of explosive

2.Higher the LLR, lesser the amount of explosive

3.10% more explosive for every 1m of LLR

4.10% less explosive for every 1m of LLR


Question:
What is used to accelerate the process of rubbing in rubbed finish dressing?

1.Water

2.Water and sand

3.Clay

4.Pebbles


Question:
Which of the following ions causes the cement to set quickly?

1.Sulphate

2.Carbonate

3.Chloride

4.Nitrate


Question:
Which of the following is a hand tool used for quarrying?

1.Plier

2.Hammer

3.Quarrying wire

4.XSM


Question:
Which of the following is a raw material for common glass?

1.Lead dioxide

2.Potassium bicarbonate

3.Salt cake

4.Litharge


Question:
Which of the following is added to the glass in order to make its colour green?

1.Cobalt oxide

2.Magnesium dioxide

3.Sodium oxide

4.Chromium sesquioxide


Question:
Which of the following is added to the glass in order to make its colour violet?

1.Ferric oxide

2.Manganese dioxide

3.Tin oxide

4.Copper oxide


Question:
Which of the following is an autoclave binding material?

1.Quick lime

2.Hydraulic lime

3.Gypsum

4.Lime-silica


Question:
Which of the following is not a property of fat lime?

1.It readily hardens

2.The colour of fat lime is perfectly white

3.Fat lime slakes vigorously

4.Fat lime sets slowly in the presence of air


Question:
Which of the following is not a property of good sand?

1.Good sand should be chemically inert

2.It should be clean

3.It should not contain any organic matter

4.It must contain salts that can attract moisture from the atmosphere


Question:
Which of the following is not a property of the packing mortar used to pack oil wells?

1.It should be water-resistant

2.It should have low homogeneity

3.It should have resistance to subsoil water pressure

4.It should be able to form solid waterproof plugs in voids of rocks


Question:
Which of the following is not an explosive used for blasting?

1.Gelignite

2.Gunpowder

3.Flash powder

4.Nitrocellulose


Question:
Which of the following substances is not used as a decolorizer in the manufacturing of glass?

1.Potassium carbonate

2.Antimony oxide

3.Cobalt oxide

4.Manganese dioxide


Question:
Which type of mortar should be used for damp proof courses and cement concrete roads?

1.Lime mortar (1:2)

2.Lime mortar (1:3)

3.Cement mortar (1:2)

4.Lime cinder mortar (1:4)


Question:
X-ray shielding mortar is a lightweight mortar having a bulk density of less than 1500 kg/m3.

1.True

2.False


Question:
_______ is used to indicate pieces of broken glass or waste glass.

1.Sodium bicarbonate

2.Cullet

3.Decolorizer

4.Sand


Question:
_________ is adopted to prepare small quantities of lime mortar.

1.Grinding

2.Grilling

3.Pounding

4.Digging


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