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 Molybdenum steels containing 0.15 to 0.40% molybdenum Have very poor fatigue resistance Do not contain nickel or chromium or both Are used for automobile parts like gears, axle, shaft, bearings etc Are prone to temper brittleness Have very poor fatigue resistance Do not contain nickel or chromium or both Are used for automobile parts like gears, axle, shaft, bearings etc Are prone to temper brittleness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is used for determining the tensile strength of steels. Mechanical press None of these Hydraulic press Universal testing machine Mechanical press None of these Hydraulic press Universal testing machine ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The ability of a material to absorb energy in the elastic range is a measure of its Malleability Brittleness Resilience Toughness Malleability Brittleness Resilience Toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal is not a White metal Tin base alloy Lead base alloy Pure metal White metal Tin base alloy Lead base alloy Pure metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metals used for making bearings are Yellow metals Tin or lead based alloys Having homogenous microstructure Short of antifrictional properties Yellow metals Tin or lead based alloys Having homogenous microstructure Short of antifrictional properties ANSWER DOWNLOAD EXAMIANS APP