Engineering Materials Addition of lead and bismuth to aluminium results in Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance Improvement of casting characteristics One of the best known age and precipitation hardening systems Improving machinability Improvement of corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In spheroidising process, the steel is None of these Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated below the lower critical temperature and then cooled slowly Heated up to the lower critical temperature and then cooled in still air None of these Heated slightly above the lower critical temperature and then cooled slowly to a temperature of 600°C Heated below the lower critical temperature and then cooled slowly Heated up to the lower critical temperature and then cooled in still air ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid reaction occurs at 600°C 1147°C 1493°C 723°C 600°C 1147°C 1493°C 723°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The stiffness is the ability of a material to resist Externally applied forces with breakdown or yielding Fracture due to high impact loads None of these Deformation under stress Externally applied forces with breakdown or yielding Fracture due to high impact loads None of these Deformation under stress ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Preheating is essential in welding High speed steel Cast iron All nonferrous materials All of these High speed steel Cast iron All nonferrous materials All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free cutting steels Is used where rapid machining is the prime requirement Contain carbon in free from Can be cut freely Require minimum cutting force Is used where rapid machining is the prime requirement Contain carbon in free from Can be cut freely Require minimum cutting force ANSWER DOWNLOAD EXAMIANS APP
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