Workshop Technology In backhand welding, the angle between the welding torch and the work is kept as 30°-40° 60°-70° 50°-60° 40°-50° 30°-40° 60°-70° 50°-60° 40°-50° ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals All of the listed here Grain structure of the metal is refined Porosity of the metal is largely eliminated Mechanical properties are improved due to refinement of grains All of the listed here Grain structure of the metal is refined Porosity of the metal is largely eliminated Mechanical properties are improved due to refinement of grains ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A jolt machine is used to Produce uniform sand hardness throughout the mould 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 Ram the sand harder at the back of the mould and softer on the pattern face Produce uniform sand hardness throughout the mould 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 Ram the sand harder at the back of the mould and softer on the pattern face ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Which of the following welding method uses a pool of molten metal? MIG arc welding TIG arc welding Carbon arc welding Submerged arc welding MIG arc welding TIG arc welding Carbon arc welding Submerged arc welding ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Scribing block is used to Locate the centres of round bars Check the trueness of flat surfaces Check the surface roughness Hold the round bars during marking Locate the centres of round bars Check the trueness of flat surfaces Check the surface roughness Hold the round bars during marking ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The teeth of hacksaw blade are bent Towards right May be bent in any direction Towards left Alternately towards right and left and every third or fourth left straight Towards right May be bent in any direction Towards left Alternately towards right and left and every third or fourth left straight ANSWER DOWNLOAD EXAMIANS APP