Workshop Technology In TIG arc welding, the welding zone is shielded by an atmosphere of None of these Argon gas Helium gas Either (A) or (B) None of these Argon gas Helium gas Either (A) or (B) ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The adhesiveness is the property of sand due to which The sand grains stick together It clings to the sides of a moulding box None of these It evolves a great amount of steam and other gases The sand grains stick together It clings to the sides of a moulding box None of these It evolves a great amount of steam and other gases 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 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 positive 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 negative terminal and the electrode holder is earthed Work is connected to the positive terminal and the electrode holder is earthed ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The minimum size of a bloom is 15 cm × 15 cm 20 cm × 20 cm 10 cm × 10 cm 5 cm × 5 cm 15 cm × 15 cm 20 cm × 20 cm 10 cm × 10 cm 5 cm × 5 cm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The parts of circular cross-section which are symmetrical about the axis of rotation are made by Hot forging Hot spinning Hot extrusion Hot drawing Hot forging Hot spinning Hot extrusion Hot drawing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In welding magnesium with TIG arc welding, direct current with ________ is used. Both (A) and (B) None of these Straight polarity Reversed polarity Both (A) and (B) None of these Straight polarity Reversed polarity ANSWER DOWNLOAD EXAMIANS APP