Workshop Technology For gas welding, the pressure desired at the welding torch for oxygen is 280 to 560 kN/m² 70 to 280 kN/m² 560 to 840 kN/m² 7 to 103 kN/m² 280 to 560 kN/m² 70 to 280 kN/m² 560 to 840 kN/m² 7 to 103 kN/m² ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology In a four high rolling mill, there are four rolls out of which All of the four are working rolls One is working roll and three are backing up rolls Two are working rolls and two are backing up rolls Three are working rolls and one is backing up roll All of the four are working rolls One is working roll and three are backing up rolls Two are working rolls and two are backing up rolls Three are working rolls and one is backing up roll ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The recrystallisation temperature of steel is 600°C 800°C None of these 400°C 600°C 800°C None of these 400°C ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The property of sand due to which the sand grains stick together is called Adhesiveness Cohesiveness Collapsibility Permeability Adhesiveness Cohesiveness Collapsibility Permeability ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The increase in hardness due to cold working, is called Work hardening Age hardening Induction hardening Flame hardening Work hardening Age hardening Induction hardening Flame hardening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The upsetting is a process of Bending of a bar Joining the two surfaces of metal under pressure after heating Reducing the cross-section of a bar Increasing the cross-section of a bar Bending of a bar Joining the two surfaces of metal under pressure after heating Reducing the cross-section of a bar Increasing the cross-section of a bar ANSWER DOWNLOAD EXAMIANS APP
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