Engineering Materials A material is known as allotropic or polymorphic if it Has its atoms distributed in a random pattern Exists in several crystal forms at different temperatures Has a fixed structure under all conditions Responds to heat treatment Has its atoms distributed in a random pattern Exists in several crystal forms at different temperatures Has a fixed structure under all conditions Responds to heat treatment ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The charge is fed into the blast furnace through the Tyres Throat Bosh Stack Tyres Throat Bosh Stack ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements? Babbitt metal Phosphor bronze Nichrome Monel metal Babbitt metal Phosphor bronze Nichrome Monel metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. More than None of these Less than Equal to More than None of these Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Steel contains 50% or more iron 80% or more iron Alloying elements like chromium, tungsten nickel and copper Elements like phosphorus, sulphur and silicon in varying quantities 50% or more iron 80% or more iron Alloying elements like chromium, tungsten nickel and copper Elements like phosphorus, sulphur and silicon in varying quantities ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In high speed steels, manganese is used to tougher the metal and to increase its Critical temperature Melting point Yield point Hardness Critical temperature Melting point Yield point Hardness ANSWER DOWNLOAD EXAMIANS APP
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