Engineering Materials Thermoplastic materials are those materials which 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 Are used as a friction lining for clutches and brakes ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The crystal structure of brass is F.C.C. C.C. Orthorhombic crystalline structure H.C.P. F.C.C. C.C. Orthorhombic crystalline structure H.C.P. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The percentage carbon content in wrought iron is about 0.4 0.1 2 0.02 0.4 0.1 2 0.02 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following property is desirable for materials used in tools and machines? Plasticity Elasticity Malleability Ductility Plasticity Elasticity Malleability Ductility ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Following elements have face-centered cubic structure Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt All of these A iron (below 910°C and between 1400 to 1539°C), W Mg, Zn, Ti, Zr, Br, Cd Gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt All of these A iron (below 910°C and between 1400 to 1539°C), W Mg, Zn, Ti, Zr, Br, Cd ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Pearlite Cementite Martensite Austenite Pearlite Cementite Martensite Austenite ANSWER DOWNLOAD EXAMIANS APP
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