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 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 Any one of the above The bottom and middle roll rotate in the same direction 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 Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A casting defect which occurs due to improper venting of sand is known as Cold shuts Swell Blow holes Shift Cold shuts Swell Blow holes Shift ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as Extrusion Hot piercing Cold heading Cold peening Extrusion Hot piercing Cold heading Cold peening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a gas welding of mild steel using an oxyacetylene flame, the total amount of acetylene consumed is 10 litres. The oxygen consumption from the cylinder is 5 litres 15 litres 20 litres 10 litres 5 litres 15 litres 20 litres 10 litres ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The casting method adopted for ornaments and toys of nonferrous alloys, is Die casting Permanent mould casting Slush casting Centrifugal casting Die casting Permanent mould casting Slush casting Centrifugal casting ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The operation of bending a sheet of metal along a curved axis, is known as Forming Slitting Notching Plunging Forming Slitting Notching Plunging ANSWER DOWNLOAD EXAMIANS APP
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