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 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 ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as Swell Scab Shift Sand wash Swell Scab Shift Sand wash ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The material which can be best cut with oxygen cutting process is Brass Copper Aluminium Mild steel Brass Copper Aluminium Mild steel ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Metal patterns are used for Small castings Complicated castings Large scale production of castings Large castings Small castings Complicated castings Large scale production of castings Large castings ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The machining allowance provided on patterns depends upon Type of casting metal Size and shape of casting All of these Method of casting used Type of casting metal Size and shape of casting All of these Method of casting used ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The advantage of Thermit welding is that Weld cools almost uniformly All parts of the weld section are molten at the same time All of these Results in a minimum problem with internal residual stresses Weld cools almost uniformly All parts of the weld section are molten at the same time All of these Results in a minimum problem with internal residual stresses ANSWER DOWNLOAD EXAMIANS APP
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