Workshop Technology During hot working of metals All of the listed here Grain structure of the metal is refined Porosity of the metal is largely eliminated Mechanical properties are improved due to refinement of grains All of the listed here Grain structure of the metal is refined Porosity of the metal is largely eliminated Mechanical properties are improved due to refinement of grains ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A casting defect which occurs due to improper venting of sand is known as Swell Shift Blow holes Cold shuts Swell Shift Blow holes Cold shuts ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as Cold peening Hot piercing Cold heading Extrusion Cold peening Hot piercing Cold heading Extrusion ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In blanking operation, the clearance is provided on Half on the punch and half on the die Either on punch or die depending upon designer's choice Die Punch Half on the punch and half on the die Either on punch or die depending upon designer's choice Die Punch ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A neutral flame is obtained by supplying None of the listed here More volume of acetylene and less volume of oxygen More volume of oxygen and less volume of acetylene Equal volumes of oxygen and acetylene None of the listed here More volume of acetylene and less volume of oxygen More volume of oxygen and less volume of acetylene Equal volumes of oxygen and acetylene ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Sand wash is a casting defect which Occurs as sand patches on the upper surface of a casting Results in general enlargement of the casting Occurs near the ingates as rough lumps on the surface of a casting Results in a mismatching of the top and bottom parts of a casting Occurs as sand patches on the upper surface of a casting Results in general enlargement of the casting Occurs near the ingates as rough lumps on the surface of a casting Results in a mismatching of the top and bottom parts of a casting ANSWER DOWNLOAD EXAMIANS APP
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