Materials and Construction Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? None of these Molybdenum steel Silicon steel Chromium steel None of these Molybdenum steel Silicon steel Chromium steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds. 250 100 500 5 250 100 500 5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Liners of a ball mill are never made of Lead Alloy steel Rubber or ceramic material Cast iron Lead Alloy steel Rubber or ceramic material Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alpha iron is stable __________ °C. Between 910 & 1403 Above 1800 Upto 910 Above 1403 Between 910 & 1403 Above 1800 Upto 910 Above 1403 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The presence of impurities in iron Does not affect its melting point Decreases its melting point Makes it malleable Increases its melting point Does not affect its melting point Decreases its melting point Makes it malleable Increases its melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The hardest material just prior to diamond in Mhos scale is Calcite Topax Carborundum Corrundum Calcite Topax Carborundum Corrundum ANSWER DOWNLOAD EXAMIANS APP
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