Workshop Technology Piercing is an operation of cutting A number of holes evenly spaced in a regular pattern on a sheet of metal A flat sheet to the desired shape A hole (other than cylindrical) in a sheet of metal by the punch and the die A cylindrical hole in a sheet of metal by the punch and the die A number of holes evenly spaced in a regular pattern on a sheet of metal A flat sheet to the desired shape A hole (other than cylindrical) in a sheet of metal by the punch and the die A cylindrical hole in a sheet of metal by the punch and the die 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 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 ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Thread rolling is restricted to None of these Hard materials Ductile materials Ferrous materials None of these Hard materials Ductile materials Ferrous materials ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The shrinkage allowance for cast iron pattern is 10 mm/m 26 mm/m 20 mm/m 16 mm/m 10 mm/m 26 mm/m 20 mm/m 16 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For welding plates of thickness less than 5 mm, its edges Do not require bevelling Should be bevelled to a single-V or U-groove Should have a double-V or U-groove on both sides Should have a double-V or U-groove on one side Do not require bevelling Should be bevelled to a single-V or U-groove Should have a double-V or U-groove on both sides Should have a double-V or U-groove on one side ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct? The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction Any one of the above The bottom and middle roll rotate in the same direction The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction Any one of the above The bottom and middle roll rotate in the same direction ANSWER DOWNLOAD EXAMIANS APP
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