Engineering Materials Steel containing ferrite and pearlite is Tough Soft Hard Hard and tough Tough Soft Hard Hard and tough ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A reversible change in the atomic structure of steel with corresponding change in the properties is known as Allotropic change Solidus change Physical change Molecular change Allotropic change Solidus change Physical change Molecular change ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Ferromagnetic alpha iron exists in temperature range of 910 to 1440°C 1400 to 1539°C Below 723°C 770 to 910°C 910 to 1440°C 1400 to 1539°C Below 723°C 770 to 910°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of Ferrite and pearlite Pearlite and cementite Mainly pearlite Mainly ferrite Ferrite and pearlite Pearlite and cementite Mainly pearlite Mainly ferrite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The tensile strength of wrought iron is maximum Along the lines of slag distribution Uniform in all directions None of these Perpendicular to lines of slag distribution Along the lines of slag distribution Uniform in all directions None of these Perpendicular to lines of slag distribution ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Constantan an alloy used in thermocouples is an alloy of Copper and tin Copper and iron Copper and nickel Copper and zinc Copper and tin Copper and iron Copper and nickel Copper and zinc ANSWER DOWNLOAD EXAMIANS APP