Workshop Technology In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls. Smaller than Larger than None of these Equal to Smaller than Larger than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The electron beam welding can be carried out in Open air A pressurized inert gas chamber Vacuum A shielded gas environment Open air A pressurized inert gas chamber Vacuum A shielded gas environment ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded) 6 t 3 t √t 1.5 t 6 t 3 t √t 1.5 t ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology For welding plates of thickness less than 5 mm, its edges Should have a double-V or U-groove on one side Should be bevelled to a single-V or U-groove Should have a double-V or U-groove on both sides Do not require bevelling Should have a double-V or U-groove on one side Should be bevelled to a single-V or U-groove Should have a double-V or U-groove on both sides Do not require bevelling ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The increase in hardness due to cold working, is called Age hardening Flame hardening Induction hardening Work hardening Age hardening Flame hardening Induction hardening Work hardening ANSWER DOWNLOAD EXAMIANS APP
Workshop Technology The cold working of metals is carried out At any temperature Above the recrystallisation temperature Below the recrystallisation temperature At the recrystallisation temperature At any temperature Above the recrystallisation temperature Below the recrystallisation temperature At the recrystallisation temperature ANSWER DOWNLOAD EXAMIANS APP
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