Building Materials MCQs

Question 1

The most commonly used base for timber painting, is

Accepted Answer

White lead

Answer

Red lead

Answer

Zinc white

Answer

Titanium white

Question 2

Slacking of lime is affected by

Accepted Answer

Immersing the lime in water

Answer

Keeping it exposed to air

Answer

Crushing the lime lumps

Answer

None of these

Question 3

Hydraulic lime is obtained by

Accepted Answer

Burning of kankar

Answer

Burning of lime stone

Answer

Adding water to quick lime

Answer

Calcination of pure clay

Question 4

Lime stone is not a

Accepted Answer

Metamorphic rock

Answer

Sedimentary rock

Answer

Stratified rock

Answer

Aqueous rock

Question 5

Soundness of cement is tested by

Accepted Answer

Le-chatelier apparatus

Answer

Vicat's apparatus

Answer

Compressive strength testing apparatus

Answer

None of these

Question 6

For sanitary pipes and chemical stonewares,

Accepted Answer

Salt glazing is used

Answer

Lead glazing is used

Answer

Opaque glazing is used

Answer

None of these

Question 7

Slate is formed by metamorphic action on

Accepted Answer

Shale

Answer

Lime stone

Answer

Sand stone

Answer

Granite

Question 8

The thermosetting plastic

Accepted Answer

All the above

Answer

Becomes rigid when moulded at suitable pressure and temperature

Answer

At 127°C to 177°C permanently set and further application of heat does not soften it

Answer

Chars at 343°C

Question 9

For slaking of 10 kg of CaO, the theoretical amount of water is

Accepted Answer

3.2 kg

Answer

2.2 kg

Answer

1.5 kg

Answer

None of these