Engineering Materials The property of a material which enables it to retain the deformation permanently, is called Brittleness Ductility Plasticity Malleability Brittleness Ductility Plasticity Malleability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Beryllium bronze contains 60% copper and 40% beryllium 97.75% copper and 2.25% beryllium 99% copper and 1% beryllium 80% copper and 20% beryllium 60% copper and 40% beryllium 97.75% copper and 2.25% beryllium 99% copper and 1% beryllium 80% copper and 20% beryllium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Phosphorus Sulphur Silicon Manganese Phosphorus Sulphur Silicon Manganese 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 5 to 6% tin, 2 to 3% 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 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 5 to 6% tin, 2 to 3% 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In malleable iron, carbon is present in the form of Free carbon Nodular aggregates of graphite Flakes Cementite Free carbon Nodular aggregates of graphite Flakes Cementite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Vanadium, chromium, tungsten Tungsten, chromium, titanium Chromium, titanium, vanadium Tungsten, titanium, vanadium Vanadium, chromium, tungsten Tungsten, chromium, titanium Chromium, titanium, vanadium Tungsten, titanium, vanadium ANSWER DOWNLOAD EXAMIANS APP
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