Workshop Technology The welding set up is said to have straight polarity, when 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 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 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 is earthed Work is connected to the negative terminal and the electrode holder to the positive terminal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In sheet metal blanking, shear is provided on punches and dies so that Press load is reduced Cut blanks is straight Good cut edge is obtained Warping of sheet is minimized Press load is reduced Cut blanks is straight Good cut edge is obtained Warping of sheet is minimized ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Scribing block is used to Check the surface roughness Locate the centres of round bars Check the trueness of flat surfaces Hold the round bars during marking Check the surface roughness Locate the centres of round bars Check the trueness of flat surfaces Hold the round bars during marking ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In shielded arc welding Welding rod coated with fluxing material is used Welding rod coated with slag is used Large electrode is used None of the listed here Welding rod coated with fluxing material is used Welding rod coated with slag is used Large electrode is used None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In order to get uniform thickness of the plate by rolling process, one provides Hardening of the rolls Camber on the rolls Offset on the rolls Antifriction bearings Hardening of the rolls Camber on the rolls Offset on the rolls Antifriction bearings ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In welding magnesium with TIG arc welding, direct current with ________ is used. Straight polarity None of these Both (A) and (B) Reversed polarity Straight polarity None of these Both (A) and (B) Reversed polarity ANSWER DOWNLOAD EXAMIANS APP