Workshop Technology For gas welding, the pressure desired at the welding torch for oxygen is 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 560 to 840 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cold working of metals is carried out Above the recrystallisation temperature Below the recrystallisation temperature At the recrystallisation temperature At any temperature Above the recrystallisation temperature Below the recrystallisation temperature At the recrystallisation temperature At any temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A taper provided on the pattern for its easy and clean withdrawal from the mould is known as Draft allowance Shrinkage allowance Distortion allowance Machining allowance Draft allowance Shrinkage allowance Distortion allowance Machining allowance ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A pattern maker's shrinkage rule considers All materials to be cast Only shrinkage allowance All pattern allowances All materials of the pattern All materials to be cast Only shrinkage allowance All pattern allowances All materials of the pattern 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 Sand wash is a casting defect which Results in a mismatching of the top and bottom parts of a casting Occurs near the ingates as rough lumps on the surface of a casting Occurs as sand patches on the upper surface of a casting Results in general enlargement of the casting Results in a mismatching of the top and bottom parts of a casting Occurs near the ingates as rough lumps on the surface of a casting Occurs as sand patches on the upper surface of a casting Results in general enlargement of the casting ANSWER DOWNLOAD EXAMIANS APP