Gh-ctvet-cert-ii-welding Practice Questions - Ghana Commission For Technical And Vocational Education And Training (CTVET) Certificate II - Welding (Ghana) Exam

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How are the cylinder valve connection threads for combustible gases like acetylene and LPG differentiated from non-combustible gas connections?

They have left-hand threads with a groove cut into the nut. They have right-hand threads with a smooth nut surface. They are color-coded green with extra-fine threads. They use female quick-release snap couplings only.

Correct Answer:

They have left-hand threads with a groove cut into the nut.

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