C&G 6189 L3 Practice Questions - City & Guilds 6189 Level 3 NVQ Diploma In Domestic Plumbing & Heating Exam

The discharge pipe D2 (downstream of the tundish) on an unvented system must be laid to which minimum continuous fall?

1 in 10 1 in 40 1 in 200 Level, with no fall required

Correct Answer:

1 in 200

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