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 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 The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The tolerance produced by shell moulding process of casting is +0.05 mm +0.5 mm ±1 mm ±0.2 mm +0.05 mm +0.5 mm ±1 mm ±0.2 mm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Aluminium is the best material for making patterns because it is Light in weight Corrosion resistant All of the listed here Easy to work Light in weight Corrosion resistant All of the listed here Easy to work ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The parts of circular cross-section which are symmetrical about the axis of rotation are made by Hot extrusion Hot drawing Hot forging Hot spinning Hot extrusion Hot drawing Hot forging Hot spinning ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology V-block is used to Check the trueness of flat surfaces Locate centres of round rods Check the surface roughness None of these Check the trueness of flat surfaces Locate centres of round rods Check the surface roughness None of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For gas welding, the pressure desired at the welding torch for acetylene is 280 to 560 kN/m² 70 to 280 kN/m² 7 to 103 kN/m² 560 to 840 kN/m² 280 to 560 kN/m² 70 to 280 kN/m² 7 to 103 kN/m² 560 to 840 kN/m² ANSWER DOWNLOAD EXAMIANS APP
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