Workshop Technology In welding magnesium with TIG arc welding, direct current with ________ is used. Reversed polarity None of these Straight polarity Both (A) and (B) Reversed polarity None of these Straight polarity Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The recrystallisation temperature of steel is 400°C None of these 800°C 600°C 400°C None of these 800°C 600°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The minimum size of a bloom is 15 cm × 15 cm 10 cm × 10 cm 5 cm × 5 cm 20 cm × 20 cm 15 cm × 15 cm 10 cm × 10 cm 5 cm × 5 cm 20 cm × 20 cm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The oxyacetylene gas used in gas welding produce a flame temperature of 2400°C 1800°C 3200°C 2100°C 2400°C 1800°C 3200°C 2100°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The upsetting is a process of Bending of a bar Increasing the cross-section of a bar Joining the two surfaces of metal under pressure after heating Reducing the cross-section of a bar Bending of a bar Increasing the cross-section of a bar Joining the two surfaces of metal under pressure after heating Reducing the cross-section of a bar ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology When a pattern is made in three parts, the ________ is known as a drag. Top part Bottom part Middle part None of these Top part Bottom part Middle part None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS