Engineering Materials Ferromagnetic alpha iron exists in temperature range of Below 723°C 910 to 1440°C 1400 to 1539°C 770 to 910°C Below 723°C 910 to 1440°C 1400 to 1539°C 770 to 910°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Wrought iron Cannot stand sudden and excessive shocks Can be easily forged or welded Is a ductile material All of these Cannot stand sudden and excessive shocks Can be easily forged or welded Is a ductile material All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which is false statement about properties of aluminium? Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Wear resistance is very good Fatigue strength is not high Modulus of elasticity is fairly low Creep strength limits its use to fairly low temperatures Wear resistance is very good Fatigue strength is not high ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Solidus change Allotropic change Molecular change Physical change Solidus change Allotropic change Molecular change Physical change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The presence of sulphur in pig iron makes It brittle It easily machinable The casting unsound It hard It brittle It easily machinable The casting unsound It hard ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials An engineer's hammer is made of Cast iron Mild steel Forged steel High carbon steel Cast iron Mild steel Forged steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP