Materials and Construction Presence of 0.3 to 0.5% arsenic in copper increases its Electrical conductivity Ductility Malleability Tenacity & hardness Electrical conductivity Ductility Malleability Tenacity & hardness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not a non-ferrous alloy? Meehanite Muntz metal Gun metal Magnalium Meehanite Muntz metal Gun metal Magnalium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the hardest material? Quartz Flourite Corrundum Topaz Quartz Flourite Corrundum Topaz ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Semi-conductor Metal/alloy None of these Dielectric Semi-conductor Metal/alloy None of these Dielectric ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Amount of energy that a material can absorb before its fracture is a measure of its Resilience Malleability Ductility Toughness Resilience Malleability Ductility Toughness 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 Molybdenum steel Silicon steel Chromium steel None of these Molybdenum steel Silicon steel ANSWER DOWNLOAD EXAMIANS APP