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Building Materials Online Exam Quiz

Important questions about Building Materials. Building Materials MCQ questions with answers. Building Materials exam questions and answers for students and interviews.

1. A good quality stone absorbs water less than

Options

A : 5%

B : 10%

C : 15%

D : 20%

2. A good brick earth should contain :

Options

A : about 20% to 30% of alumina

B : about 50% to 60% of silica

C : not more than 5% of lime

D : about 5 to 6% of oxide of lime

3. Mastic asphalt is generally used for

Options

A : damp proof course

B : water proof layer

C : partition walls

D : both (a) and (b).

4. The lime which contains mainly calcium oxide and slacks with water, is

Options

A : fat lime

B : quick lime

C : hydraulic lime

D : poor lime

5. Cement is said to be of good quality if

Options

A : its colour is not greenish grey

B : one feels cool by thrusting one's hand in the cement bag

C : it is not smooth when rubbed in between fingers

D : a handful of cement thrown into a bucket of water does not float

6. Apiece of sawn timber whose cross-sectional dimensions exceed 5 cm, in one direction and 20 cm in the other direction, is called a

Options

A : cant

B : deal

C : baulk

D : strip.

7. Which one of the following is an air binding material?

Options

A : Gypsum

B : Acid-resistant cement

C : Quick lime

D : All of these.

8. If P is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is

Options

A : 0.70 P

B : 0.75 P

C : 0.80 P

D : 0.85 P

9. Bessemer process is used for the manufacture of

Options

A : Pig iron

B : cast iron

C : Wrought iron

D : Steel.

10. Smith's test of stones is performed to find out

Options

A : the presence of soluble matter of stone

B : the compressive strength of the stone

C : the hardness of the stone

D : the toughness of the stone.

3. Pick up correct statement from the following:

Options

A : Fibre boards are used for thermal and acoustic control

B : Fibre boards are used for light weight standing members

C : Fibre boards are obtained by impregnating a resin product on fibres

D : all the above.

4. Dry rot

Options

A : cracks the timber

B : reduces the strength of timber

C : reduces the timber to powder

D : shrinks the timber

5. Portland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as

Options

A : quick setting cement

B : rapid hardening cement

C : white cement

D : low heat Portland cement.

6. German silver is an alloy of

Options

A : zinc, lead and nickel

B : silver, gold and lead

C : copper, nickel and zinc

D : copper, brass and zinc

7. The silica is used for preparing

Options

A : silica bricks

B : coke oven

C : lining for glass furnaces

D : all of these.

8. The normal curing period for lime mortar, is:

Options

A : one day

B : 3 days

C : 7 days

D : 10 days

1. During pudding

Options

A : molten metal is kept clear of the fuel

B : carbon is converted into carbonic acid gas

C : silicon forms a slag

D : metal is heated by the burning of gases

2. The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called

Options

A : Cementation process

B : crucible process

C : Bessemer process

D : Open hearth process.

3. The minimum compressive strength of Ilnd class bricks should be

Options

A : 75 kg/cm 2

B : 90 kg/cm 2

C : 100 kg/cm 2

D : 120 kg/cm 2

4. Fibre boards can be

Options

A : distempered

B : painted

C : painted and distempered

D : used for furniture.

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