Engineering Materials Thermoplastic materials are those materials which Are flexible and can withstand considerable wear under suitable conditions Do not become hard with the application of heat and pressure and no chemical change occurs Are used as a friction lining for clutches and brakes Are formed into shape under heat and pressure and results in a permanently hard product Are flexible and can withstand considerable wear under suitable conditions Do not become hard with the application of heat and pressure and no chemical change occurs Are used as a friction lining for clutches and brakes Are formed into shape under heat and pressure and results in a permanently hard product ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following elements does not impart hardness to steel? Nickel Copper Chromium Silicon Nickel Copper Chromium Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Smelting is the process of All of these Reducing the ore with carbon in the presence of a flux Removing the impurities like clay, sand etc. from the iron ore by washing with water Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns All of these Reducing the ore with carbon in the presence of a flux Removing the impurities like clay, sand etc. from the iron ore by washing with water Expelling moisture, carbon dioxide, sulphur and arsenic from the iron ore by heating in shallow kilns ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron Cannot stand sudden and excessive shocks Can be easily forged or welded Is a ductile material All of these Cannot stand sudden and excessive shocks Can be easily forged or welded Is a ductile material All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In compression, a prism of brittle material will break By shearing along oblique plane By crushing into thousands of pieces By forming a bulge In direction perpendicular to application of load By shearing along oblique plane By crushing into thousands of pieces By forming a bulge In direction perpendicular to application of load ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Inconel contains 65% nickel, 15% chromium and 20% iron 80% nickel and 20% chromium 68% nickel, 29% copper and 3% other constituents 80% nickel, 14% chromium and 6% iron 65% nickel, 15% chromium and 20% iron 80% nickel and 20% chromium 68% nickel, 29% copper and 3% other constituents 80% nickel, 14% chromium and 6% iron ANSWER DOWNLOAD EXAMIANS APP