Engineering Materials An engineer's hammer is made of High carbon steel Cast iron Forged steel Mild steel High carbon steel Cast iron Forged steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Cobalt Chromium Vanadium Nickel Cobalt Chromium Vanadium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Chromium Nickel Silicon Copper Chromium Nickel Silicon Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Duralumin contains 3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium 5 to 6% tin, 2 to 3% copper and rest aluminium 3.5 to 4.5% copper, 1.2 to 1.7% manganese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium 4 to 4.5% magnesium, 3 to 4% copper and rest aluminium 3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium 5 to 6% tin, 2 to 3% copper and rest aluminium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The transistor is made of Germanium Silver Gold Copper Germanium Silver Gold Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Surveying tapes are made of a material having low coefficient of expansion and enough strength. The alloy used is Invar Silver metal Duralumin Hastelloy Invar Silver metal Duralumin Hastelloy ANSWER DOWNLOAD EXAMIANS APP