Engineering Materials Chromium when added to steel _________ the tensile strength. None of these Increases Decreases Does not effect None of these Increases Decreases Does not effect ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following is an amorphous material? Silver Lead Mica Glass Silver Lead Mica Glass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? Steels are heated to 500 to 700°C Cooling is done slowly and steadily All of these Internal stresses are relieved Steels are heated to 500 to 700°C Cooling is done slowly and steadily All of these Internal stresses are relieved ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following element results in presence of free graphite in C.I.? Carbon Sulphur Manganese Silicon Carbon Sulphur Manganese Silicon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Thermoplastic materials are those materials which 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 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 used as a friction lining for clutches and brakes Are formed into shape under heat and pressure and results in a permanently hard product 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Combined carbon in iron makes the metal Hard and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure Hard and gives a fine grained crystalline structure Soft and gives coarse grained crystalline structure Hard and gives a coarse grained crystalline structure Soft and gives a fine grained crystalline structure ANSWER DOWNLOAD EXAMIANS APP