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 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 The bottom and middle roll rotate in the same direction ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be 26 mm/m 16 mm/m 20 mm/m 10 mm/m 26 mm/m 16 mm/m 20 mm/m 10 mm/m ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Metal patterns are used for Small castings Large scale production of castings Complicated castings Large castings Small castings Large scale production of castings Complicated castings Large castings ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a centrifugal casting method Core is made of sand Core is made of ferrous metal No core is used Core is made of nonferrous metal Core is made of sand Core is made of ferrous metal No core is used Core is made of nonferrous metal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In sheet metal work, he cutting force on the tool can be reduced by Increasing the hardness of tool Increasing the hardness of die Providing shear on tool Grinding the cutting edges sharp Increasing the hardness of tool Increasing the hardness of die Providing shear on tool Grinding the cutting edges sharp ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The metal extrusion process is generally used for producing Uniform solid sections Varying solid and hollow sections Uniform solid and hollow sections Uniform hollow sections Uniform solid sections Varying solid and hollow sections Uniform solid and hollow sections Uniform hollow sections ANSWER DOWNLOAD EXAMIANS APP
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