Which part is typically found on the regulator assembly and is used to adjust output pressure to the torch?

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Multiple Choice

Which part is typically found on the regulator assembly and is used to adjust output pressure to the torch?

Explanation:
On a regulator assembly, the output pressure is set by the adjusting screw. This screw changes the spring tension inside the regulator, which in turn changes how much the valve opens to hold a specific low-pressure output. Turning it clockwise typically increases the outlet pressure, while turning it counterclockwise decreases it. The protector cap exists mainly to shield the adjusting screw from dirt and damage, not to adjust pressure. The needle valve is used to finely control gas flow to the torch, not to set the regulator’s output pressure. The cylinder valve is on the gas cylinder itself and opens or closes the supply, not involved in adjusting the regulator’s pressure.

On a regulator assembly, the output pressure is set by the adjusting screw. This screw changes the spring tension inside the regulator, which in turn changes how much the valve opens to hold a specific low-pressure output. Turning it clockwise typically increases the outlet pressure, while turning it counterclockwise decreases it. The protector cap exists mainly to shield the adjusting screw from dirt and damage, not to adjust pressure. The needle valve is used to finely control gas flow to the torch, not to set the regulator’s output pressure. The cylinder valve is on the gas cylinder itself and opens or closes the supply, not involved in adjusting the regulator’s pressure.

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