Workshop Technology The oxyacetylene gas used in gas welding produce a flame temperature of 3200°C 1800°C 2100°C 2400°C 3200°C 1800°C 2100°C 2400°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals All of the listed here Porosity of the metal is largely eliminated Grain structure of the metal is refined Mechanical properties are improved due to refinement of grains All of the listed here Porosity of the metal is largely eliminated Grain structure of the metal is refined Mechanical properties are improved due to refinement of grains ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A ring gauge is used to All of these Test the accuracy of holes Check the clearance between two mating surfaces Check the diameter of shafts or studs All of these Test the accuracy of holes Check the clearance between two mating surfaces Check the diameter of shafts or studs ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Piercing is an operation of cutting A cylindrical hole in a sheet of metal by the punch and the die A hole (other than cylindrical) in a sheet of metal by the punch and the die A flat sheet to the desired shape A number of holes evenly spaced in a regular pattern on a sheet of metal A cylindrical hole in a sheet of metal by the punch and the die A hole (other than cylindrical) in a sheet of metal by the punch and the die A flat sheet to the desired shape A number of holes evenly spaced in a regular pattern on a sheet of metal ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The adhesiveness is the property of sand due to which It evolves a great amount of steam and other gases The sand grains stick together It clings to the sides of a moulding box None of these It evolves a great amount of steam and other gases The sand grains stick together It clings to the sides of a moulding box None of these ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For welding plates of thickness less than 5 mm, its edges Should be bevelled to a single-V or U-groove Should have a double-V or U-groove on one side Should have a double-V or U-groove on both sides Do not require bevelling Should be bevelled to a single-V or U-groove Should have a double-V or U-groove on one side Should have a double-V or U-groove on both sides Do not require bevelling ANSWER DOWNLOAD EXAMIANS APP
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