Workshop Technology For gas welding, the pressure desired at the welding torch for acetylene is 560 to 840 kN/m² 7 to 103 kN/m² 70 to 280 kN/m² 280 to 560 kN/m² 560 to 840 kN/m² 7 to 103 kN/m² 70 to 280 kN/m² 280 to 560 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Cores are used to Improve mould surface Form a part of a green sand mould Form internal cavities in the casting All of these Improve mould surface Form a part of a green sand mould Form internal cavities in the casting All of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cutting edge of a chisel should be Case hardened Hardened Hardened and tempered Tempered Case hardened Hardened Hardened and tempered Tempered ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The purpose of a riser is to Feed the molten metal to the casting in order to compensate for the shrinkage Deliver molten metal into the mould cavity Deliver the molten metal from pouring basin to gate Act as a reservoir for the molten metal Feed the molten metal to the casting in order to compensate for the shrinkage Deliver molten metal into the mould cavity Deliver the molten metal from pouring basin to gate Act as a reservoir for the molten metal ANSWER DOWNLOAD EXAMIANS APP
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 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 Any one of the above The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction 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 Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For welding plates of thickness less than 5 mm, its edges Should have a double-V or U-groove on one side Do not require bevelling Should have a double-V or U-groove on both sides Should be bevelled to a single-V or U-groove Should have a double-V or U-groove on one side Do not require bevelling Should have a double-V or U-groove on both sides Should be bevelled to a single-V or U-groove ANSWER DOWNLOAD EXAMIANS APP
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