Engineering Materials Which of the following elements does not impart hardness to steel? Nickel Silicon Chromium Copper Nickel Silicon Chromium Copper ANSWER DOWNLOAD EXAMIANS APP
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 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 Are used as a friction lining for clutches and brakes Are flexible and can withstand considerable wear under suitable conditions ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Manganese Sulphur Silicon Phosphorus Manganese Sulphur Silicon Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials In grey cast iron, carbon is present in the form of Cementite Flakes Spheroids Free carbon Cementite Flakes Spheroids Free carbon ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When a steel containing __________ 0.8% carbon is cooled slowly below the lower critical point, it consists of ferrite and pearlite. None of these Less than More than Equal to None of these Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The main alloying elements high speed steel in order of increasing proportion are Tungsten, chromium, titanium Vanadium, chromium, tungsten Tungsten, titanium, vanadium Chromium, titanium, vanadium Tungsten, chromium, titanium Vanadium, chromium, tungsten Tungsten, titanium, vanadium Chromium, titanium, vanadium ANSWER DOWNLOAD EXAMIANS APP
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