Workshop Technology The recrystallisation temperature of steel is 800°C 400°C None of these 600°C 800°C 400°C None of these 600°C 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 Hot piercing Cold heading Extrusion Cold peening Hot piercing Cold heading Extrusion Cold peening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology During hot working of metals Mechanical properties are improved due to refinement of grains Grain structure of the metal is refined All of the listed here Porosity of the metal is largely eliminated Mechanical properties are improved due to refinement of grains Grain structure of the metal is refined All of the listed here Porosity of the metal is largely eliminated ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology Which of the following methods can be used for manufacturing 2 meter long seamless metallic tubes? Extrusion Extrusion and rolling Rolling Drawing Extrusion Extrusion and rolling Rolling Drawing ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In forehand welding, the angle between the welding rod and the work is kept as 60°-70° 30°-40° 50°-60° 40°-50° 60°-70° 30°-40° 50°-60° 40°-50° ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A basic hole is one whose Lower and upper deviations are zero None of these Lower deviation is zero Upper deviation is zero Lower and upper deviations are zero None of these Lower deviation is zero Upper deviation is zero ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS