Workshop Technology The welding set up is said to have straight polarity, when 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 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 ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cold chisels are made from High speed steel Cast tool steel Cast iron Mild steel High speed steel Cast tool steel Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Blanking and piercing operations can be performed simultaneously in a Progressive die Combination die Compound die Simple die Progressive die Combination die Compound die Simple die ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cross-section of a chisel is usually Square Octagonal Hexagonal Rectangular Square Octagonal Hexagonal Rectangular ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For welding plates of thickness more than 12.5 mm, its edges Should have a double-V or U-groove on one side Should be bevelled to a single-V or U-groove Should have a double-V or U-groove on both sides Do not require bevelling Should have a double-V or U-groove on one side Should be bevelled to a single-V or U-groove Should have a double-V or U-groove on both sides Do not require bevelling ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Sand wash is a casting defect which Occurs near the ingates as rough lumps on the surface of a casting Results in a mismatching of the top and bottom parts of a casting Occurs as sand patches on the upper surface of a casting Results in general enlargement of the casting Occurs near the ingates as rough lumps on the surface of a casting Results in a mismatching of the top and bottom parts of a casting Occurs as sand patches on the upper surface of a casting Results in general enlargement of the casting ANSWER DOWNLOAD EXAMIANS APP