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construction

Building Materials || MCQ – 04 || 20 MCQs

Posted on July 20, 2021June 28, 2021 By Civil Vedant

Q.1) The colour of mineral in its powered form is known as –

A) Streak

B) Lusture

C) Texture

D) Structure

Answer

Option (A)

Q.2) Rocks having silica as main constituent are called –

A) Calcareous rocks

B) Argillaceous rocks

C) Silicious rocks

D) None of the above

Answer

Option (C)

Q.3) Stone used for railway ballast is –

A) Sandstone

B) Dolomite

C) Marble

D) Basalt or trap basalt

Answer

Option (D)

Q.4) The porosity of good building stone should not be less than –

A) 3%

B) 5%

C) 10%

D) 20%

Answer

Option (B)

Q.5) The tool used for quarrying of stones is –

A) Dipper

B) Spalling hammer

C) Jumper

D) Priming needle

Answer

Option (C)

Q.6) The red colour of brick is due to –

A) Iron oxide

B) Silica

C) Magnesia

D) Alumina

Answer

Option (A)

Q.7) The bricks used for lining of furnaces are –

A) Under burnt bricks

B) Over burnt bricks

C) Refractory bricks

D) None of the above

Answer

Option (C)

Q.8) Swelling of bricks is known as –

A) Bloating

B) Lamination

C) Chuffs

D) Efflorescence

Answer

Option (A)

Q.9) Plaster of Paris is obtained from the calcination of –

A) Bauxite

B) Limestone

C) Dolomite

D) Gypsum

Answer

Option (C)

Q.10) Stainless steel resists corrosion due to –

A) Carbon

B) Manganese

C) Chromium

D) Sulphur

Answer

Option (C)

Q.11) The decay of timber caused by alternate wetting and drying is called –

A) Dry rot

B) Wet rot

C) Foxiness

D) Doatiness

Answer

Option (B)

Q.12) Rusting can be prevented by applying coating of –

A) Red lead

B) White lead

C) Zinc oxide

D) Bitumen

Answer

Option (A)

Q.13) The base material for distemper is –

A) Lime

B) Chalk

C) Snowcem

D) Cement

Answer

Option (B)

Q.14) The roof having slope in all four directions is called –

A) Hip-pitch roof

B) Shed roof

C) Gambrel roof

D) North light roof

Answer

Option (A)

Q.15) Lower edge of the inclined roof surface is called –

A) Pitch

B) Eves

C) Cleat

D) Gable

Answer

Option (B)

Q.16) The joints provided in wooden floor are –

A) Tongue and Groove

B) Butt

C) Dove tail

D) Tee joint

Answer

Option (A)

Q.17) Broke bricks or stone chips are also called –

A) Brokomite

B) Scrap

C) Spall

D) Wastage

Answer

Option (C)

Q.18) The number of steps in a flight should not be less than –

A) 12

B) 3

C) 2

D) 5

Answer

Option (B)

Q.19) Dog legged stairs are –

A) Straight stair

B) Quarter turn stair

C) Half turn stair

D) Three fourth stair

Answer

Option (C)

Q.20) The percentage of carbon in steel is –

A) 0.1 – 0.2%

B) 0.15 – 1.5%

C) 1 – 3%

D) 2 – 4.5%

Answer

Option (B)

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