Materials and Construction Silicon percentage in iron castings to have maximum hardness should be about 0.5 2.5 0.3 0.8 0.5 2.5 0.3 0.8 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Coke oven walls are lined with __________ bricks. Low thermal conductivity Tar-dolomite Fire clay Silica Low thermal conductivity Tar-dolomite Fire clay Silica ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? Chromium steel None of these Silicon steel Molybdenum steel Chromium steel None of these Silicon steel Molybdenum steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alpha iron is stable __________ °C. Above 1800 Between 910 & 1403 Upto 910 Above 1403 Above 1800 Between 910 & 1403 Upto 910 Above 1403 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following heat treatment processes is used for softening the hardened material? Normalising Tempering Annealing None of these Normalising Tempering Annealing None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A bearing metal should not have Low thermal conductivity High toughness Enough plasticity Low co-efficient of friction Low thermal conductivity High toughness Enough plasticity Low co-efficient of friction ANSWER DOWNLOAD EXAMIANS APP
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