Workshop Technology A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The directional solidification in casting can be improved by using Chaplets and padding Chills and padding Chills, chaplets and padding Chills and chaplets Chaplets and padding Chills and padding Chills, chaplets and padding Chills and chaplets ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Cold working of metal increases Hardness Yield strength Tensile strength All of these Hardness Yield strength Tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls. Equal to Larger than Smaller than None of these Equal to Larger than Smaller than None of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The acetylene cylinder is usually painted with Black colour White colour Yellow colour Maroon colour Black colour White colour Yellow colour Maroon colour ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The recrystallisation temperature of steel is 400°C None of these 800°C 600°C 400°C None of these 800°C 600°C ANSWER DOWNLOAD EXAMIANS APP
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