Workshop Technology During hot working of metals 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 Porosity of the metal is largely eliminated All of the listed here Mechanical properties are improved due to refinement of grains ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The advantage of Thermit welding is that Weld cools almost uniformly All of these All parts of the weld section are molten at the same time Results in a minimum problem with internal residual stresses Weld cools almost uniformly All of these All parts of the weld section are molten at the same time Results in a minimum problem with internal residual stresses ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The surface to be left unmachined is marked on the pattern by Yellow colour Black colour Blue colour Red colour Yellow colour Black colour Blue colour Red colour ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In order to deliver molten metal from pouring basin to gate, a ________ is used. Core Sprue Riser None of these Core Sprue Riser None of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The draft or taper allowance on casting is generally 5 to 10 mm/m 10 to 15 mm/m 1 to 2 mm/m 2 to 5 mm/m 5 to 10 mm/m 10 to 15 mm/m 1 to 2 mm/m 2 to 5 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Metal patterns are used for Complicated castings Small castings Large scale production of castings Large castings Complicated castings Small castings Large scale production of castings Large castings ANSWER DOWNLOAD EXAMIANS APP
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