Engineering Materials Combined carbon in iron makes the metal Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a coarse grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes The casting unsound It hard It easily machinable It brittle The casting unsound It hard It easily machinable It brittle ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Addition of silicon to aluminium results in 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 Improvement of casting characteristics One of the best known age and precipitation hardening systems ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has a fine gold colour and is used for imitation jewellery? Babbitt metal Gun metal Aluminium bronze Silicon bronze Babbitt metal Gun metal Aluminium bronze Silicon bronze ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Tungsten, titanium, vanadium Chromium, titanium, vanadium Tungsten, chromium, titanium Vanadium, chromium, tungsten Tungsten, titanium, vanadium Chromium, titanium, vanadium Tungsten, chromium, titanium Vanadium, chromium, tungsten ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White cast iron has All of these Carbon in the form of carbide Low tensile strength High compressive strength All of these Carbon in the form of carbide Low tensile strength High compressive strength ANSWER DOWNLOAD EXAMIANS APP
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