Building Materials Three basic raw materials which are needed in large quantities for production of steel are Iron ore, carbon and lime stone Iron ore, coal and lime stone Iron ore, coal and sulphur Iron ore, carbon and sulphur Iron ore, carbon and lime stone Iron ore, coal and lime stone Iron ore, coal and sulphur Iron ore, carbon and sulphur ANSWER DOWNLOAD EXAMIANS APP
Building Materials For a good building stone, its specific gravity should the greater than 2.7 2.3 2.5 3.7 2.7 2.3 2.5 3.7 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The yield strength and tensile strength of low carbon steel may be improved by the addition of Vanadium Nickel Chromium Manganese Vanadium Nickel Chromium Manganese ANSWER DOWNLOAD EXAMIANS APP
Building Materials The basic purpose of a retarder in concrete is To improve the workability of concrete mix To decrease the initial setting time of cement paste in concrete To render the concrete more water tight To increase the initial setting time of cement paste in concrete To improve the workability of concrete mix To decrease the initial setting time of cement paste in concrete To render the concrete more water tight To increase the initial setting time of cement paste in concrete ANSWER DOWNLOAD EXAMIANS APP
Building Materials The proportions of lime and sand in the mortar normally used in brick construction are 1 : 6 1 : 4 1 : 8 1 : 2 1 : 6 1 : 4 1 : 8 1 : 2 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following gradients exerts maximum influence on properties of steel? iron sulphur manganese carbon iron sulphur manganese carbon ANSWER DOWNLOAD EXAMIANS APP
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