What is the capacity in cubic feet of gas per hour for a 3/4" diameter schedule 40 metallic pipe 40 feet in length?
CO140 - 2021 International Fuel Gas Code Chap 4 - Final Exam

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1.
FLASHCARD QUESTION
Front
Back
129
2.
FLASHCARD QUESTION
Front
Reference Table 403.8.2, What is the approximate number of threads to be cut on a 3/4" iron pipe with a 3/4" approximate length of threaded portion?
Back
10
3.
FLASHCARD QUESTION
Front
Underground piping systems shall be installed a minimum depth of ___________ below grade.
Back
12 inches
4.
FLASHCARD QUESTION
Front
When testing a gas system having a volume less than 10 cubic feet or a system in a single family dwelling, the test duration shall be not less than _____________.
Back
10 minutes
5.
FLASHCARD QUESTION
Front
Piping for other than dry gas conditions shall be sloped not less than _______ in 15 feet to prevent traps.
Back
1/4 inch
6.
FLASHCARD QUESTION
Front
Reference Table 413.10.2.3, What is the minimum separation in feet for atmospheric venting of CNG to property lot lines?
Back
15 feet
7.
FLASHCARD QUESTION
Front
What is the spacing of supports for a 3/4" nominal size of steel pipe?
Back
8 feet
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