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 bottom and middle roll rotate in the same direction Any one of the above The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction The bottom and middle roll rotate in the same direction Any one of the above The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately 44 mm 46 mm 42 mm 48 mm 44 mm 46 mm 42 mm 48 mm 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 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 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 is earthed Work is connected to the positive terminal and the electrode holder to the negative terminal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The property of sand due to which it evolves a great amount of steam and other gases is called Cohesiveness Permeability Collapsibility Adhesiveness Cohesiveness Permeability Collapsibility Adhesiveness ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The directional solidification in casting can be improved by using Chaplets and padding Chills and chaplets Chills, chaplets and padding Chills and padding Chaplets and padding Chills and chaplets Chills, chaplets and padding Chills and padding ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called Shearing Punching Piercing Blanking Shearing Punching Piercing Blanking ANSWER DOWNLOAD EXAMIANS APP