Workshop Technology The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called Blanking Piercing Shearing Punching Blanking Piercing Shearing Punching 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 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 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 ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals Mechanical properties are improved due to refinement of grains Grain structure of the metal is refined Porosity of the metal is largely eliminated All of the listed here Mechanical properties are improved due to refinement of grains Grain structure of the metal is refined Porosity of the metal is largely eliminated All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The metal patterns as compared to wooden patterns require less Shrinkage allowance Machining allowance Draft allowance Distortion allowance Shrinkage allowance Machining allowance Draft allowance Distortion allowance ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In sheet metal blanking, shear is provided on punches and dies so that Good cut edge is obtained Warping of sheet is minimized Cut blanks is straight Press load is reduced Good cut edge is obtained Warping of sheet is minimized Cut blanks is straight Press load is reduced ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a compound die Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram Two or more operations are performed simultaneously at the single stroke of the ram Two or more cutting operations are performed at one station of the press in every stroke of the ram Only one operation is performed at each stroke of the ram Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram Two or more operations are performed simultaneously at the single stroke of the ram Two or more cutting operations are performed at one station of the press in every stroke of the ram Only one operation is performed at each stroke of the ram ANSWER DOWNLOAD EXAMIANS APP