Workshop Technology The increase in hardness due to cold working, is called Age hardening Flame hardening Work hardening Induction hardening Age hardening Flame hardening Work hardening Induction hardening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology A two high rolling mill consists of two rolls which rotate At the same speed but in opposite direction At the same speed and in the same direction At different speeds and in the opposite direction At different speeds and in the same direction At the same speed but in opposite direction At the same speed and in the same direction At different speeds and in the opposite direction At different speeds and in the same direction ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The minimum size of a bloom is 10 cm × 10 cm 20 cm × 20 cm 15 cm × 15 cm 5 cm × 5 cm 10 cm × 10 cm 20 cm × 20 cm 15 cm × 15 cm 5 cm × 5 cm ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The temperature at which the new grains are formed in the metal is called Eutectic temperature Upper critical temperature Recrystallisation temperature Lower critical temperature Eutectic temperature Upper critical temperature Recrystallisation temperature Lower critical temperature ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The process of decreasing the cross-section of a bar and increasing its length, is called Upsetting Spinning Drawing down Peening Upsetting Spinning Drawing down Peening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For welding plates of thickness more than 12.5 mm, its edges Should be bevelled to a single-V or U-groove Do not require bevelling Should have a double-V or U-groove on one side Should have a double-V or U-groove on both sides Should be bevelled to a single-V or U-groove Do not require bevelling Should have a double-V or U-groove on one side Should have a double-V or U-groove on both sides ANSWER DOWNLOAD EXAMIANS APP