Engineering Materials Which of the following material has maximum ductility? Copper Mild steel Aluminium Nickel Copper Mild steel Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials According to Indian standard specifications, plain carbon steel designated by 40 C8 means that the carbon content is 0.6 to 0.8% 0.4 to 0.6% 0.0004 0.35 to 0.45% 0.6 to 0.8% 0.4 to 0.6% 0.0004 0.35 to 0.45% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following has a fine gold colour and is used for imitation jewellery? Babbitt metal Gun metal Aluminium bronze Silicon bronze Babbitt metal Gun metal Aluminium bronze Silicon bronze ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A material is known as allotropic or polymorphic if it Exists in several crystal forms at different temperatures Has a fixed structure under all conditions Responds to heat treatment Has its atoms distributed in a random pattern Exists in several crystal forms at different temperatures Has a fixed structure under all conditions Responds to heat treatment Has its atoms distributed in a random pattern ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about normalizing? Normalizing is done to Refine grain structure Improve mechanical properties Reduce segregation in casting Induce stresses Refine grain structure Improve mechanical properties Reduce segregation in casting Induce stresses ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Thermoplastic materials are those materials which Are used as a friction lining for clutches and brakes Do not become hard with the application of heat and pressure and no chemical change occurs Are flexible and can withstand considerable wear under suitable conditions Are formed into shape under heat and pressure and results in a permanently hard product Are used as a friction lining for clutches and brakes Do not become hard with the application of heat and pressure and no chemical change occurs Are flexible and can withstand considerable wear under suitable conditions Are formed into shape under heat and pressure and results in a permanently hard product ANSWER DOWNLOAD EXAMIANS APP