Workshop Technology The welding set up is said to have straight polarity, when 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 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 ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals Mechanical properties are improved due to refinement of grains Porosity of the metal is largely eliminated Grain structure of the metal is refined All of the listed here Mechanical properties are improved due to refinement of grains Porosity of the metal is largely eliminated Grain structure of the metal is refined All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The binder commonly used in making oil sand, is Inorganic type binder Any one of the listed here Organic type binder Clay type binder Inorganic type binder Any one of the listed here Organic type binder Clay type binder ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In average work, the tolerance produced by investment casting method is +05 mm +1 mm ±0.05 mm +0.2 mm +05 mm +1 mm ±0.05 mm +0.2 mm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The machining allowance provided on patterns depends upon Method of casting used Size and shape of casting All of these Type of casting metal Method of casting used Size and shape of casting All of these Type of casting metal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The operation of cutting of a flat sheet to the desired shape is called Shearing Piercing Blanking Punching Shearing Piercing Blanking Punching ANSWER DOWNLOAD EXAMIANS APP