Engineering Materials Which of the following represents the allotropic forms of iron? Alpha iron, gamma from and delta iron Alpha iron and beta iron Body centered cubic iron and face centered cubic iron Alpha iron, beta iron and gamma iron Alpha iron, gamma from and delta iron Alpha iron and beta iron Body centered cubic iron and face centered cubic iron Alpha iron, beta iron and gamma iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio 40 : 30 : 20 : 10 30 : 20 : 30 : 20 50 : 20 : 10 : 20 50 : 20 : 20 : 10 40 : 30 : 20 : 10 30 : 20 : 30 : 20 50 : 20 : 10 : 20 50 : 20 : 20 : 10 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has highest specific strength of all structural materials? Magnesium alloys Chromium alloys Magnetic steel alloys Titanium alloys Magnesium alloys Chromium alloys Magnetic steel alloys Titanium alloys ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is not the correct method of increasing fatigue limit? Surface decarburisation Cold working Nitriding of surface Shot peening Surface decarburisation Cold working Nitriding of surface Shot peening ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Solder is an alloy consisting of Tin and copper Tin and lead Lead and zinc Tin, antimony, copper Tin and copper Tin and lead Lead and zinc Tin, antimony, copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cold rolled steel sheets contain carbon of the following order 0.002 0.006 0.004 0.001 0.002 0.006 0.004 0.001 ANSWER DOWNLOAD EXAMIANS APP
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