Workshop Technology The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as Cold heading Extrusion Hot piercing Cold peening Cold heading Extrusion Hot piercing Cold peening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The metal is subjected to mechanical working for Controlling the direction of flow lines Refining grain size All of these Reducing original block into desired shape Controlling the direction of flow lines Refining grain size All of these Reducing original block into desired shape ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A jolt machine is used to Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould Produce uniform sand hardness throughout the mould Ram the sand harder at the back of the mould and softer on the pattern face Produce uniform packing of sand in the mould Ram the sand harder at the pattern face with decreasing hardness towards the back of the mould Produce uniform sand hardness throughout the mould Ram the sand harder at the back of the mould and softer on the pattern face Produce uniform packing of sand in the mould ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For arc welding Alternating current with low frequency is used Direct current is used Alternating current with high frequency is used Any one of these Alternating current with low frequency is used Direct current is used Alternating current with high frequency is used Any one of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In average work, the tolerance produced by investment casting method is ±0.05 mm +0.2 mm +05 mm +1 mm ±0.05 mm +0.2 mm +05 mm +1 mm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The metal patterns as compared to wooden patterns require less Machining allowance Shrinkage allowance Distortion allowance Draft allowance Machining allowance Shrinkage allowance Distortion allowance Draft allowance ANSWER DOWNLOAD EXAMIANS APP
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