Engineering Materials Admiralty gun metal contains 63 to 67% nickel and 30% copper 88% copper, 10% tin and rest zinc Iron scrap and zinc Alloy of tin, lead and cadmium 63 to 67% nickel and 30% copper 88% copper, 10% tin and rest zinc Iron scrap and zinc Alloy of tin, lead and cadmium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron Is a ductile material All of these Can be easily forged or welded Cannot stand sudden and excessive shocks Is a ductile material All of these Can be easily forged or welded Cannot stand sudden and excessive shocks ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The machinability of steel is increased by Phosphorous and aluminium Silicon and sulphur Sulphur, graphite and aluminium Phosphorous, lead and sulphur Phosphorous and aluminium Silicon and sulphur Sulphur, graphite and aluminium Phosphorous, lead and sulphur ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has highest specific strength of all structural materials? Chromium alloys Titanium alloys Magnetic steel alloys Magnesium alloys Chromium alloys Titanium alloys Magnetic steel alloys Magnesium alloys ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following when used in ordinary low carbon steels, makes the metal ductile and of good bending qualities? Phosphorus Manganese Sulphur Silicon Phosphorus Manganese Sulphur Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Free carbon in iron makes the metal Hard and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a coarse grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives a coarse grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS