Workshop Technology A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct? 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 Any one of the above The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction 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 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 During cold working process Strength and hardness of metal increases Grain structure is distorted Close dimensional tolerance can be maintained All of the listed here Strength and hardness of metal increases Grain structure is distorted Close dimensional tolerance can be maintained All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The welding process used to join the ends of two pipes of uniform cross-section, is Seam welding Upset butt welding Spot welding Projection welding Seam welding Upset butt welding Spot welding Projection welding ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The adhesiveness is the property of sand due to which None of these It clings to the sides of a moulding box It evolves a great amount of steam and other gases The sand grains stick together None of these It clings to the sides of a moulding box It evolves a great amount of steam and other gases The sand grains stick together ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Thermit, used in Thermit welding, is a mixture of Charcoal and aluminium Charcoal, iron oxide and aluminium Charcoal and iron oxide Iron oxide and aluminium Charcoal and aluminium Charcoal, iron oxide and aluminium Charcoal and iron oxide Iron oxide and aluminium ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology An oxidising process used for aluminium and magnesium articles is called Sherardizing Parkerising Galvanizing Anodizing Sherardizing Parkerising Galvanizing Anodizing ANSWER DOWNLOAD EXAMIANS APP
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