2018 IFGC CH 4A Study Flashcard

Front

For other than steel piping, exposed gas piping must be identified by a yellow label marked “Gas” in black letters and the markings spaced at intervals not exceeding _____________ feet.

Back

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Front

Where there are multiple meters, the ___________ must mark the piping system supplied by each meter with an approved permanent identification.

Back

installer

Front

The volume of gas to be provided must be determined directly from the ______________ of the appliance served.

Back

input rating

Front

Gas piping is permitted to be sized in accordance with the sizing tables of the ___________.

Back

piping system manufacturer

Front

Using the longest length method for sizing gas piping, each section of piping is measured from _______________.

Back

the point of delivery to the most remote outlet

Front

A gas piping system located inside a(n) _______________ building is limited to a maximum design operating pressure of 5 pounds per square inch gage (psig).

Back

institutional

Front

Used pipe, fittings, valves and other materials must not be used in a gas piping system except where they are free of _______________.

Back

foreign material

Front

Copper and copper alloy gas piping is permitted to be installed when the gas contains no more than an average of _______________ grains of hydrogen sulfide per 100 standard cubic feet of gas.

Back

0.3

Front

Field drilled and tapped pipe fittings are permitted under limited conditions when the work is performed by ___________________.

Back

the gas supplier

Front

For steel gas piping, threaded fittings larger than _______________ inches are not permitted.

Back

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