Building Materials MCQ Paper-3 Welcome to your buildingmaterialsmcqpaper-3 1. The sub-classification of sedimentary rock Volcanic and Plutonic Mechanical, Chemical and Organic Intrusive and Extrusive Stratified and Unstratified None 2. Slate and marble stone belongs to Igneous rocks Metamorphic rock Sedimentary rock Foliated rock None 3. Find the one which is not used in quarrying Gun powder Gun cotton Marble powder Dynamite None 4. Which of the following is good for making the bricks Silted soil Weathered clay Soil None of these None 5. The process of mixing clay, water and other ingredients to make bricks is known as Kneading Tempering Pugging Moulding None 6. The term FROG means An apparatus to lift the stone A depression on a face of brick Vertical joint in a brick work Soaking brick in water None 7. Gypsum used in cement manufacturing acts as Accelerator Air entraining agent Plasticizer Retarder None 8. The initial setting time of Ordinary Portland Cement(OPC) 10 mints. 30 mints. 45 mints. 60 mints. None 9. Which of the following is added for quick setting of cement Gypsum Alum Zinc sulphate Aluminium sulphate None 10. The compound first to settle in cement is Tricalcium silicate Tetra-calcium alumina-ferrite Tricalcium aluminate Dicalcium silicate None 11. The amount of water used in performing setting time test of cement is (assuming P= standard consistency of cement) 0.60P 0.65P 0.80P 0.85P None 12. The aggregate is called fine aggregate if it is completely retained on 0.15 mm sieve 0.30 mm sieve 4.75 mm sieve None of these None 13. The resistance of a material to penetration is Toughness Hardness Fatigue Roughness None 14. If the fineness modulus of sand is 2.5 it is graded as Very fine sand Fine sand Medium sand Coarse sand None 15. Wastage of timber is maximum in the case of Ordinary sawing Tangential sawing Radial sawing Quarter sawing None 16. Plywood is specified by Weight Volume Thickness Number of layers None 17. The age of a tree can be known by examining Cambium layer Annular rings Medullary rays Heart wood None 18. Which of the following is used as a carrier in paint Almond oil Linseed oil Mustard oil Olive oil None 19. Which of the following is added as a vehicle in paints White lead Red lead Tung oil Turpentine oil None 20. Dog legged stairs are Quarter turn stair Three quarter turn stair Half turn stair Straight stair None 1 out of 4 Time’s up