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 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 ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A casting defect which occurs due to improper venting of sand is known as Cold shuts Shift Blow holes Swell Cold shuts Shift Blow holes Swell ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The metal is subjected to mechanical working for Refining grain size Reducing original block into desired shape All of these Controlling the direction of flow lines Refining grain size Reducing original block into desired shape All of these Controlling the direction of flow lines ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The hot working of metals is carried out Below the recrystallisation temperature At the recrystallisation temperature At any temperature Above the recrystallisation temperature Below the recrystallisation temperature At the recrystallisation temperature At any temperature Above the recrystallisation temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The acetylene cylinder is usually painted with Maroon colour Yellow colour White colour Black colour Maroon colour Yellow colour White colour Black colour ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A casting defect which results in general enlargement of a casting is known as Sand wash Shift Scab Swell Sand wash Shift Scab Swell ANSWER DOWNLOAD EXAMIANS APP
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