Building Materials MCQ Paper-5 Welcome to your buildingmaterialsmcqpaper-5 1. Which of the following is an example of stratified rock Igneous rock Burned clay brick Metamorphic rock Sedimentary rock None 2. The amount of calcium carbonate in limestone is determined by which of the following test Heat test Ball test Acid test Compressive strength test None 3. Limestone is a type of Plutonic rock Igneous rock Sedimentary rock Metamorphic rock None 4. A pug mill is used for Softening brick earth Moulding brick earth Tempering brick earth Providing brick earth None 5. A bull nose brick is not used for Rounding off sharp corners Pillars Decoration purpose Arches None 6. The defects that is caused by falling of rain water on the hot surfaces of the bricks is known as Bloating Chuffs Cracks Lamination None 7. Which of the following brick is suitable for high class brick masonry Bullnose brick Jhumb brick Modular brick Under burnt bricks None 8. According to IS 2180:1988 what is the minimum bulk density of heavy duty burnt clay bricks 4.5 g/cc 8.5 g/cc 7.5 g/cc 2.5 g/cc None 9. The development of strength of cement and its fineness are Directly proportional Inversely proportional Not related Randomly related None 10. The specific surface area (in cm^2/gm) of a good Portland cement should not be less than 1750 2000 2250 2500 None 11. The quick lime as it comes from kiln is called Milk lime Hydraulic lime Lump lime Hydrated lime None 12. For a 50kg cement bag, water required is 16.5 liters 18.5 liters 20.5 liters 22.5 liters None 13. Which of the timber is used to make the goods that are used in the sports industry Alder Asanfona Mulberry Balsa None 14. Which of the following method is used to make the timber fire resistance Coating with tar paint Pumping creosote oil into timber at high pressure Seasoning process Soaking it in ammonium sulphate None 15. Which of the following represents the moisture content in the properly seasoned timber 5-8% 10-12% 18-25% 25-35% None 16. Which of the following represents the average life (in years) of high durable timber less than 3 3 to 6 6 to 10 More than 10 None 17. During painting, white lead is added to paint and it acts as Carrier Pigment Drier Base None 18. Munsell references are primarily used for classifying which of the following material Timber Rocks Cement Paints None 19. Plaster of Paris is not used in the exterior finishes of structure because it is cheaper than cement of its less adhesiveness than cement it has lower strength than cement it is slightly soluble in water None 20. Which of the following material is used as a bonding admixture Natural rubber Synthetic rubber Organic polymers All options are correct None 1 out of 4 Time’s up