Building Materials — Part 2 MCQs with Explanations

1 : 2 is the correct answer to “The proportions of lime and sand in the mortar normally used in brick construction are”. This question is standard in competitive examination syllabi for Building Materials.

Chromium is the correct answer to “Stainless steel resists corrosion due to”. This question is standard in competitive examination syllabi for Building Materials.

Both (A) and (B) is the correct answer to “Bitumen felt is used for”. This question is standard in competitive examination syllabi for Building Materials.

All the above is the correct answer to “A ferrous metal is”. This question is standard in competitive examination syllabi for Building Materials.

All the above is the correct answer to “Wrought iron is manufactured from pig iron by”. This question is standard in competitive examination syllabi for Building Materials.

All the above is the correct answer to “Pig iron is manufactured from the ores by”. This question is standard in competitive examination syllabi for Building Materials.

Both (i) and (ii) is the correct answer to “Quick lime is (i) Slow in setting (ii) Rapid in slacking (iii) Good in strength”. This question is standard in competitive examination syllabi for Building Materials.

Small sized water pipes is the correct answer to “Wrought iron is used for”. This question is standard in competitive examination syllabi for Building Materials.

Columns and struts is the correct answer to “Cast iron is used for”. This question is standard in competitive examination syllabi for Building Materials.

Surface moisture is the correct answer to “Bulking of sand is caused due to”. This question is standard in competitive examination syllabi for Building Materials.

Tri-calcium aluminate is the correct answer to “Initial setting of cement is caused due to”. This question is standard in competitive examination syllabi for Building Materials.

Finer grinding is the correct answer to “Early attainment of strength in rapid hardening cement is mainly due to”. This question is standard in competitive examination syllabi for Building Materials.

Petroleum distillation is the correct answer to “Asphalt is obtained from”. This question is standard in competitive examination syllabi for Building Materials.

7 days is the correct answer to “The normal curing period for lime mortar, is:”. This question is standard in competitive examination syllabi for Building Materials.

Impervious is the correct answer to “Glazing is used to make earthenware”. This question is standard in competitive examination syllabi for Building Materials.

Preparation of clay is the correct answer to “Pug mill is used for”. This question is standard in competitive examination syllabi for Building Materials.

Tempering brick earth is the correct answer to “A pug mill is used for”. This question is standard in competitive examination syllabi for Building Materials.

50% is the correct answer to “Clay and silt content in a good brick earth must be at least”. This question is standard in competitive examination syllabi for Building Materials.

30 minutes is the correct answer to “The initial setting time for ordinary Portland cement as per IS specifications should not be less than”. This question is standard in competitive examination syllabi for Building Materials.

16 MPa is the correct answer to “According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than”. This question is standard in competitive examination syllabi for Building Materials.

10.5 N/mm2 is the correct answer to “Crushing strength of a first class brick should not be less than”. This question is standard in competitive examination syllabi for Building Materials.

Hydraulic lime is the correct answer to “For construction of structures under water, the type of lime used, is”. This question is standard in competitive examination syllabi for Building Materials.

All the above is the correct answer to “Pick up the correct statement from the following: Method of sawing timber”. This question is standard in competitive examination syllabi for Building Materials.

Heart wood is the correct answer to “Inner part of a timber log surrounding the pitch, is called”. This question is standard in competitive examination syllabi for Building Materials.

Cast steel is the correct answer to “For high grade instruments the steel preferred to, is”. This question is standard in competitive examination syllabi for Building Materials.

0.85 P is the correct answer to “If ‘P’ is the percentage of water required for normal consistency, water to be added for determination of initial setting time, is”. This question is standard in competitive examination syllabi for Building Materials.

Gambrel roof is the correct answer to “The type of roof which slopes in two directions with a break in the slope on each side is known as”. This question is standard in competitive examination syllabi for Building Materials.

Cementation process is the correct answer to “The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called”. This question is standard in competitive examination syllabi for Building Materials.

(i) and (iv) is the correct answer to “Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength”. This question is standard in competitive examination syllabi for Building Materials.

Same tensile strength in all directions is the correct answer to “Plywood has the advantage of”. This question is standard in competitive examination syllabi for Building Materials.

2.7 is the correct answer to “For a good building stone, its specific gravity should the greater than”. This question is standard in competitive examination syllabi for Building Materials.

Radial is the correct answer to “In arches, stratified stones are placed so that their planes are”. This question is standard in competitive examination syllabi for Building Materials.

Spirit varnish is the correct answer to “To give a brilliant finish, the type of varnish used, is”. This question is standard in competitive examination syllabi for Building Materials.

Cross joint is the correct answer to “A mortar joint in masonry which is normal to the face of wall is known as”. This question is standard in competitive examination syllabi for Building Materials.

70 to 75 is the correct answer to “Percentage content of silica in window glass, is”. This question is standard in competitive examination syllabi for Building Materials.

White forge pig is the correct answer to “The variety of pig iron used for manufacture of wrought iron, is”. This question is standard in competitive examination syllabi for Building Materials.

All the above is the correct answer to “Quick lime (or caustic lime)”. This question is standard in competitive examination syllabi for Building Materials.

Mottled cast iron is the correct answer to “The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to”. This question is standard in competitive examination syllabi for Building Materials.

Cleavage is the correct answer to “The tendency of a stone is, to split along:”. This question is standard in competitive examination syllabi for Building Materials.

Granite is the correct answer to “Which of the following stone is best suited for construction of piers and abutments of a railway bridge”. This question is standard in competitive examination syllabi for Building Materials.