Workshop Technology The increase in hardness due to cold working, is called Work hardening Induction hardening Flame hardening Age hardening Work hardening Induction hardening Flame hardening Age hardening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals Porosity of the metal is largely eliminated All of the listed here Mechanical properties are improved due to refinement of grains Grain structure of the metal is refined Porosity of the metal is largely eliminated All of the listed here Mechanical properties are improved due to refinement of grains Grain structure of the metal is refined ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology An oxidising process used for aluminium and magnesium articles is called Anodizing Parkerising Sherardizing Galvanizing Anodizing Parkerising Sherardizing Galvanizing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature of oxy-hydrogen flame is ________ oxyacetylene flame. More than Same as None of these Less than More than Same as None of these Less than ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded) 3 t √t 6 t 1.5 t 3 t √t 6 t 1.5 t ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology When a pattern is made in three parts, the ________ is known as a drag. None of these Middle part Top part Bottom part None of these Middle part Top part Bottom part ANSWER DOWNLOAD EXAMIANS APP