Workshop Technology Cold working of metal increases Yield strength Tensile strength Hardness All of these Yield strength Tensile strength Hardness All of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The hot working of metals is carried out At the recrystallisation temperature Below the recrystallisation temperature At any temperature Above the recrystallisation temperature At the recrystallisation temperature Below the recrystallisation temperature At any temperature Above the recrystallisation temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Which of the following material can be used for making patterns? Lead Wax Aluminium All of these Lead Wax Aluminium All of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals Porosity of the metal is largely eliminated Mechanical properties are improved due to refinement of grains Grain structure of the metal is refined All of the listed here Porosity of the metal is largely eliminated Mechanical properties are improved due to refinement of grains Grain structure of the metal is refined All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A moving mandrel is used in Tube drawing Metal cutting Forging Wire drawing Tube drawing Metal cutting Forging Wire drawing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the electric arc is produced between the work and the electrode by Voltage Contact resistance Flow of current All of these Voltage Contact resistance Flow of current All of these ANSWER DOWNLOAD EXAMIANS APP