Building Materials Pig iron is manufactured from the ores by Smelting Dressing All of these Calcination and roasting Smelting Dressing All of these Calcination and roasting ANSWER DOWNLOAD EXAMIANS APP
Building Materials Age of a tree may be ascertained by Circumference of its stem Number of annual rings Radius of its stem Number of branches Circumference of its stem Number of annual rings Radius of its stem Number of branches ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used retarder in cement is Gypsum Calcium carbonate Calcium chloride None of these Gypsum Calcium carbonate Calcium chloride None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite Only (iii) All (i), (ii) and (iii) Both (i) and (iii) Both (ii) and (iii) Only (iii) All (i), (ii) and (iii) Both (i) and (iii) Both (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Initial setting time of cement for asbestos cement products should be not less than 50 minutes 75 minutes 30 minutes 90 minutes 50 minutes 75 minutes 30 minutes 90 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning of timber is done for Increasing moisture content Decreasing moisture content None to these Increasing strength of timber Increasing moisture content Decreasing moisture content None to these Increasing strength of timber ANSWER DOWNLOAD EXAMIANS APP
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