Building Materials MCQs

Question 1

Quick lime is

Accepted Answer

Calcium oxide

Answer

Calcium carbonate

Answer

Calcium hydroxide

Answer

None of the above

Question 2

Le-Chatelier's device is used for determining the

Accepted Answer

Soundness of cement

Answer

Setting time of cement

Answer

Tensile strength of cement

Answer

Compressive strength of cement

Question 3

According to IS 399-1963, the weight of the timber is specified at

Accepted Answer

12% moisture content

Answer

8% moisture content

Answer

10% moisture content

Answer

14% moisture content

Question 4

Spirit varnish generally consists of

Accepted Answer

Spirit and shellac

Answer

Oil, wax and resin

Answer

Alcohol, wax and turpentine

Answer

Pigment and synthetic resin

Question 5

Oil varnish generally consists of

Accepted Answer

Resin, oil and turpentine

Answer

Synthetic resin and spirit

Answer

Oil, wax and resin

Answer

Spirit, oil and wax

Question 6

Plastics are compounds of carbon with element

Accepted Answer

All of these

Answer

Hydrogen

Answer

Nitrogen

Answer

Oxygen

Question 7

The most commonly used retarder in cement is

Accepted Answer

Gypsum

Answer

Calcium chloride

Answer

Calcium carbonate

Answer

None of the above

Question 8

The cement becomes unsound by the presence of excess

Accepted Answer

All of these

Answer

Sulphur

Answer

Magnesia

Answer

Lime

Question 9

Resins are

Accepted Answer

Answer

Not soluble in water

Answer

Soluble in spirit

Answer

Used in varnishes

Answer

Left behind on evaporation of oil