Building Materials MCQ Paper-4 Welcome to your buildingmaterialsmcqpaper-4 1. Which of the following could be the specific gravity of stone to be used as a building material 2.7 1.7 1.9 1.3 None 2. Marble is an example of Aqueous rock Metamorphic rock Sedimentary rock Igneous rock None 3. The light weight aggregates are obtained from Sedimentary rock Metamorphic rock Igneous rock Volcanic rock None 4. Which of the following represents the crushing strength (in MPa) for the good quality stone that are used in the construction of building Less than 20 20 to 60 60 to 80 greater than 100 None 5. King closers are related to Doors and windows King post truss Queen post truss Brick masonry None 6. Clay bricks are made of earth having Nearly equal proportion of silica and Alumina Nearly equal proportions of Alumina, silica and lime 35-70% silica and 10-20% alumina 10-20% silica and 35-70% alumina None 7. The plasticity to mould bricks in suitable shape is contributed by Alumina Lime Magnesia Silica None 8. 28 day crushing strength of cement is tested on 70.7 mm size cubes of mortar having cement to sand proportion of 1:5 1:2 1:3 1:4 None 9. The volume of one bag of cement is 0.0214 cum. 0.0347 cum. 0.0434 cum. 0.0606 cum. None 10. Fineness test of cement gives us an estimate of Workability of concrete Heat of hydration Rate of hydration Durability of concrete None 11. White cement should have least percentage of Aluminium oxide Iron oxide Silica Magnesium oxide None 12. The density of cement is taken to be 1000 kg/m^3 1250 kg/m^3 1440 kg/m^3 1800 kg/m^3 None 13. As per IS 383:1970 the passing percentage of fine aggregates under the Zone IV from an IS 600 micron sieve is 80-100% 8-30% 60-79% 15-34% None 14. The aggregate which are available near the river front are found to have a rounded shape due to Segregation Impaction Attrition Crushing None 15. The process involving the reduction of moisture content in timber under more or less controlled conditions towards or to an amount suitable for the purpose for which it is to be used is termed as Scantling Slaking Scoring Seasoning None 16. Longitudinal cracks in wood which is usually normal to the annual ring is known as Shakes Checks Knots Rind gall None 17. Turpentine oil is used in pants as a Base Carrier Drier Thinner None 18. The paints that are most resistant to fire are Enamel paints Aluminium paints Asbestos paints Cement paints None 19. Which of the following material falls under the category of rigid material when checking the dampness of a material Mastic asphalt Bitumen felts Polythene sheets Cement concrete None 20. Precast concrete tiles with marble chips on the surface are known as Mosaic tiles Granite tiles Lime tiles Marble tiles None 1 out of 4 Time’s up
