Workshop Technology The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as Extrusion Cold heading Hot piercing Cold peening Extrusion Cold heading Hot piercing Cold peening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The tolerance produced by shell moulding process of casting is +0.5 mm +0.05 mm ±1 mm ±0.2 mm +0.5 mm +0.05 mm ±1 mm ±0.2 mm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Structural sections such as rails, angles, I-beams are made by Hot extrusion Hot drawing Hot piercing Hot rolling Hot extrusion Hot drawing Hot piercing Hot rolling ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals Grain structure of the metal is refined Mechanical properties are improved due to refinement of grains Porosity of the metal is largely eliminated All of the listed here Grain structure of the metal is refined Mechanical properties are improved due to refinement of grains Porosity of the metal is largely eliminated All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Thread rolling is restricted to None of these Hard materials Ductile materials Ferrous materials None of these Hard materials Ductile materials Ferrous materials ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a compound die Two or more cutting operations are performed at one station of the press in every stroke of the ram Only one operation is performed at each stroke of the ram Two or more operations are performed simultaneously at the single stroke of the ram Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram Two or more cutting operations are performed at one station of the press in every stroke of the ram Only one operation is performed at each stroke of the ram Two or more operations are performed simultaneously at the single stroke of the ram Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram ANSWER DOWNLOAD EXAMIANS APP