Building Materials Questions

• Paints and finishes — suitability of stucco paints Stucco (textured) paints are generally suitable for which types of masonry substrates?
• Cement chemistry — compound responsible for initial setting In ordinary Portland cement, which compound primarily governs the initial setting behavior?
• Ferrous metallurgy — route for manufacturing wrought iron from pig iron Wrought iron is obtained from pig iron mainly by which key refining process before subsequent consolidation steps?
• Stainless steels — essential alloying addition For manufacturing stainless steel, carbon steel is alloyed primarily with which element to achieve corrosion resistance?
• Timber defects — identification of knots In timber grading, “knots” are best described as:
• Earth materials and minerals — hardest material among the choices Which of the following is the hardest material listed?
• Materials and construction usage — applications of wrought iron Which of the following is the most appropriate use of wrought iron in building and mechanical works?
• Paint technology — role of turpentine oil in paint formulations In architectural and industrial paints, turpentine oil primarily acts as a:
• Timber defects — cracks from exterior surface shrinkage Cracks caused by shrinkage of the outside surface of wood exposed to the atmosphere are called:
• Lime concrete in building works — typical areas of application Lime concrete is generally preferred and specified for:
• Architectural stone selection — property required for ornamental work For detailed carving and ornamental stonework, the stone should primarily be:
• Cement types — key performance of Portland pozzolana cement (PPC) Which of the following characteristics are associated with PPC compared to ordinary Portland cement (OPC)?
• Paint constituents — function of pigment in a coating system In a conventional paint, the pigment primarily provides:
• Ironmaking — common impurities found in iron ore used for metallurgy Which option correctly lists typical impurity elements associated with iron ores used in blast furnace practice?
• Lime chemistry — correct chemical formula of quicklime (burnt lime) Identify the correct chemical formula for quicklime used in construction and industry:
• Trade names in coatings — “Duco” corresponds to which type of paint? Identify the correct category for the patented/trade name “Duco”.
• Materials science and construction: Identify the correct combined statement about plastics and acoustical boards.
• Mineral processing: The operation used to remove clay and other impurities adhering to iron ore prior to further processing is called
• Soils and raw materials: The approximate bulk weight of 1 m³ of brick earth (as handled on site) is about
• Polymer basics: Choose the correct statement(s) describing monomers, polymers, macro-molecules, and polymeric materials.