Workshop Technology For arc welding Direct current is used Any one of these Alternating current with low frequency is used Alternating current with high frequency is used Direct current is used Any one of these Alternating current with low frequency is used Alternating current with high frequency is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For gas welding, the pressure desired at the welding torch for oxygen is 7 to 103 kN/m² 560 to 840 kN/m² 70 to 280 kN/m² 280 to 560 kN/m² 7 to 103 kN/m² 560 to 840 kN/m² 70 to 280 kN/m² 280 to 560 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For cutting brass, the hacksaw blade should have ________ teeth per 25 mm. 14 40 24 32 14 40 24 32 ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In order to deliver molten metal from pouring basin to gate, a ________ is used. Riser None of these Sprue Core Riser None of these Sprue Core ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The property of sand due to which it evolves a great amount of steam and other gases is called Cohesiveness Collapsibility Adhesiveness Permeability Cohesiveness Collapsibility Adhesiveness Permeability ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals 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 Grain structure of the metal is refined All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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