Engineering Materials Thermoplastic materials are those materials which Are used as a friction lining for clutches and brakes 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 formed into shape under heat and pressure and results in a permanently hard product Are used as a friction lining for clutches and brakes 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 formed into shape under heat and pressure and results in a permanently hard product ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Eutectoid reaction occurs at 1493°C 723°C 600°C 1147°C 1493°C 723°C 600°C 1147°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following display properties similar to that of steel? Blackheart cast iron Whiteheart cast iron Both (A) and (B) None of these Blackheart cast iron Whiteheart cast iron Both (A) and (B) None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel primarily depends on Percentage of alloying elements Heat treatment employed Percentage of carbon Shape of carbides and their distribution in iron Percentage of alloying elements Heat treatment employed Percentage of carbon Shape of carbides and their distribution in iron ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Gun metal contains 90% copper and 10% tin 70 - 78% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc 90% copper and 10% tin 70 - 78% copper and rest tin 85 - 92% copper and rest tin with little lead and nickel 70% copper and 30% zinc ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The unit cells Contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal All of these Have the same orientation and their similar faces are parallel May be defined as the smallest parallelepiped which could be transposed in three coordinate directions to build up the space lattice Contain the smallest number of atoms which when taken together have all the properties of the crystals of the particular metal All of these Have the same orientation and their similar faces are parallel May be defined as the smallest parallelepiped which could be transposed in three coordinate directions to build up the space lattice ANSWER DOWNLOAD EXAMIANS APP
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