Engineering Materials Thermoplastic materials are those materials which 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 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The bond formed by transferring electrons from one atom to another is called Covalent bond Metallic bond None of these Ionic bond Covalent bond Metallic bond None of these Ionic bond ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Amorphous material is one Which is not attacked by phosphorous In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid In which atoms align themselves in a geometric pattern upon solidification Which emits fumes on melting Which is not attacked by phosphorous In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid In which atoms align themselves in a geometric pattern upon solidification Which emits fumes on melting ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Cold rolled steel sheets contain carbon of the following order 0.004 0.001 0.006 0.002 0.004 0.001 0.006 0.002 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Manganese in steel increases its Tensile strength Hardness Fluidity Ductility Tensile strength Hardness Fluidity Ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Vanadium in high speed steels Provides high hot hardness Promotes decarburisation Promotes retention of austenite Forms very hard carbides and thus increases wear resistance Provides high hot hardness Promotes decarburisation Promotes retention of austenite Forms very hard carbides and thus increases wear resistance ANSWER DOWNLOAD EXAMIANS APP
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