Workshop Technology During hot working of metals 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 Porosity of the metal is largely eliminated Mechanical properties are improved due to refinement of grains ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called Shearing Punching Blanking Piercing Shearing Punching Blanking Piercing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Thermit, used in Thermit welding, is a mixture of Charcoal and iron oxide Charcoal, iron oxide and aluminium Iron oxide and aluminium Charcoal and aluminium Charcoal and iron oxide Charcoal, iron oxide and aluminium Iron oxide and aluminium Charcoal and aluminium ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The sand used for making cores is Green sand Dry sand Loam sand Oil sand Green sand Dry sand Loam sand Oil sand ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology When a hole or cavity to be cored is not in line with the parting surface, then a ________ is used. Horizontal core Vertical core Balanced core Drop core Horizontal core Vertical core Balanced core Drop core ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Green sand is a mixture of 50% sand and 50% clay 90% sand and 10% clay 70% sand and 30% clay 30% sand and 70% clay 50% sand and 50% clay 90% sand and 10% clay 70% sand and 30% clay 30% sand and 70% clay ANSWER DOWNLOAD EXAMIANS APP
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