B149.1 Annex G & H & I Flashcards
(8 cards)
1
Q
What is Annex G
A
Piping expansion and flexibility
2
Q
Expansion control loops should be used when on pipe sizes 2@ or less
A
on pipe sizes of 2 in (50 mm) or less whenever the unrestrained
pipe length is at least 100 ft
3
Q
What is figure G1
A
Expansion control loop
4
Q
What is Annex H
A
Purging of piping and tubing systems where a readily accessible burner is not available or where an appliance is not equipped with a continuous pilot
5
Q
What is Annex I
A
Abbreviations
6
Q
What is table Table I.3
A
Orifice capacity — Heat input calculation
7
Q
Whats in table I.1
A
Properties of commercial propane, butane, and natural gas
8
Q
Whats in table I.5
A
Conversion table