Engineering Materials Recrystallization temperature can be lowered by Working at lower temperature Grain refinement All of these Purification of metal Working at lower temperature Grain refinement All of these Purification of metal ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has highest specific strength of all structural materials? Titanium alloys Magnesium alloys Chromium alloys Magnetic steel alloys Titanium alloys Magnesium alloys Chromium alloys Magnetic steel alloys ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials White metal contains Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper 88% copper and 10% tin and rest zinc Silver and chromium Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper 88% copper and 10% tin and rest zinc Silver and chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Basic constituents of Monel metal are Nickel, molybdenum Zinc, tin, lead Nickel, lead and tin Nickel, copper Nickel, molybdenum Zinc, tin, lead Nickel, lead and tin Nickel, copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Alnico, an alloy used extensively for permanent magnets contains iron, nickel, aluminium and cobalt in the following ratio 30 : 20 : 30 : 20 40 : 30 : 20 : 10 50 : 20 : 10 : 20 50 : 20 : 20 : 10 30 : 20 : 30 : 20 40 : 30 : 20 : 10 50 : 20 : 10 : 20 50 : 20 : 20 : 10 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Sulphur in cast iron Increases hardness and brittleness Aids fusibility and fluidity Makes the iron soft and easily machinable Make the iron white and hard Increases hardness and brittleness Aids fusibility and fluidity Makes the iron soft and easily machinable Make the iron white and hard ANSWER DOWNLOAD EXAMIANS APP