Workshop Technology The purpose of a riser is to Feed the molten metal to the casting in order to compensate for the shrinkage Deliver molten metal into the mould cavity Deliver the molten metal from pouring basin to gate Act as a reservoir for the molten metal Feed the molten metal to the casting in order to compensate for the shrinkage Deliver molten metal into the mould cavity Deliver the molten metal from pouring basin to gate Act as a reservoir for the molten metal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is Anywhere between 0.1 to 1 percent Less than 0.1 percent Less than 0.3 percent More than 0.3 percent Anywhere between 0.1 to 1 percent Less than 0.1 percent Less than 0.3 percent More than 0.3 percent ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The draft or taper allowance on casting is generally 10 to 15 mm/m 2 to 5 mm/m 1 to 2 mm/m 5 to 10 mm/m 10 to 15 mm/m 2 to 5 mm/m 1 to 2 mm/m 5 to 10 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded) 1.5 t √t 6 t 3 t 1.5 t √t 6 t 3 t ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cold chisels are made from Mild steel Cast iron Cast tool steel High speed steel Mild steel Cast iron Cast tool steel High speed steel ANSWER DOWNLOAD EXAMIANS APP
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 negative terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder to the negative terminal Work is connected to the negative terminal and the electrode holder to the positive terminal Work is connected to the negative terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder to the negative terminal ANSWER DOWNLOAD EXAMIANS APP
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