Workshop Technology The welding set up is said to have straight polarity, when Work is connected to the negative terminal and the electrode holder to the positive terminal Work is connected to the positive terminal and the electrode holder to the negative terminal Work is connected to the positive terminal and the electrode holder is earthed Work is connected to the negative terminal and the electrode holder is earthed Work is connected to the negative terminal and the electrode holder to the positive terminal Work is connected to the positive terminal and the electrode holder to the negative terminal Work is connected to the positive terminal and the electrode holder is earthed Work is connected to the negative terminal and the electrode holder is earthed ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In sheet metal work, he cutting force on the tool can be reduced by Increasing the hardness of die Increasing the hardness of tool Grinding the cutting edges sharp Providing shear on tool Increasing the hardness of die Increasing the hardness of tool Grinding the cutting edges sharp Providing shear on tool ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately 44 mm 48 mm 46 mm 42 mm 44 mm 48 mm 46 mm 42 mm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In arc welding, the electric arc is produced between the work and the electrode by Voltage Contact resistance Flow of current All of these Voltage Contact resistance Flow of current All of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The electrodes used in spot welding have a tip of Stainless steel Brass Aluminium Copper Stainless steel Brass Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The purpose of a riser is to Deliver molten metal into the mould cavity Act as a reservoir for the molten metal Feed the molten metal to the casting in order to compensate for the shrinkage Deliver the molten metal from pouring basin to gate Deliver molten metal into the mould cavity Act as a reservoir for the molten metal Feed the molten metal to the casting in order to compensate for the shrinkage Deliver the molten metal from pouring basin to gate ANSWER DOWNLOAD EXAMIANS APP