Workshop Technology The purpose of a riser is to Feed the molten metal to the casting in order to compensate for the shrinkage Act as a reservoir for the molten metal Deliver the molten metal from pouring basin to gate Deliver molten metal into the mould cavity Feed the molten metal to the casting in order to compensate for the shrinkage Act as a reservoir for the molten metal Deliver the molten metal from pouring basin to gate Deliver molten metal into the mould cavity ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The minimum size of a bloom is 15 cm × 15 cm 5 cm × 5 cm 20 cm × 20 cm 10 cm × 10 cm 15 cm × 15 cm 5 cm × 5 cm 20 cm × 20 cm 10 cm × 10 cm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In welding copper alloys with TIG arc welding Alternating current is used Any one of the listed here Direct current with reversed polarity is used Direct current with straight polarity is used Alternating current is used Any one of the listed here Direct current with reversed polarity is used Direct current with straight polarity is used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the electric arc is produced between the work and the electrode by Contact resistance All of these Voltage Flow of current Contact resistance All of these Voltage Flow of current ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The current in electric resistance welding can be regulated by Changing the primary turns of the transformer Changing the secondary turns of the transformer Varying the input supply Any one of the listed here Changing the primary turns of the transformer Changing the secondary turns of the transformer Varying the input supply Any one of the listed here ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature of oxy-hydrogen flame is ________ oxyacetylene flame. None of these Less than More than Same as None of these Less than More than Same as ANSWER DOWNLOAD EXAMIANS APP
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