2018 IFGC CH 4B

·         01.Supports for 1-inch steel gas piping shall be spaced no more than ______________ feet apart.

• 1.  a.4
• 2.  b.6
• 3.  c.8
• 4.  d.10

·         02.Gas piping supports for ½-inch copper tubing shall be spaced no more than ___________feet apart.

• 1.  a.4
• 2.  b.6
• 3.  c.8
• 4.  d.10

·         03.Unless incorporated as part of the appliance, a sediment trap shall be installed ___________.

• 1.  a.downstream of the appliance shutoff valve
• 2.  b.remote from the appliance location
• 3.  c.upstream of the appliance shutoff valve
• 4.  d.upstream of the manifold

·         04.Sediment traps are not required for ______________.

• 1.  a.ranges
• 2.  b.water heaters
• 3.  c.boilers
• 4.  d.forced air furnaces

·         05.The installation of shutoff valves shall be prohibited __________________.

• 1.  a.in concealed locations
• 2.  b.in bedrooms and bathrooms
• 3.  c.in furnace room enclosures
• 4.  d.on the roof of buildings

·         06.Where a single meter is used to supply gas to more than one building, a shutoff valve shall be provided __________________.

• 1.  a.at the manifold
• 2.  b.outdoors at each building
• 3.  c.inside at the point of entry to each building
• 4.  d.at an approved location

·         07.A gas shutoff valve shall be located within __________________feet of the appliance.

• 1.  a.2
• 2.  b.5
• 3.  c.6
• 4.  d.7

·         08.When installing a gas shutoff valve for an appliance, the shutoff valve shall be located _______________________.

• 1.  a.upstream of a union
• 2.  b.downstream of an appliance connector
• 3.  c.downstream of a quick disconnect device
• 4.  d.with ready access without removing a panel

·         09.A listed outdoor gas hose used to connect a portable outdoor appliance to the gas piping system must comply with _________________________.

• 1.  a.ANSI Z21.69
• 2.  b.ANSI Z21.24
• 3.  c.ANSI Z21.75
• 4.  d.ANSI Z21.54

·         10.A shutoff valve for a ___________is permitted to be located in an area remote from the appliance.

• 1.  a.range
• 2.  b.vented decorative appliance
• 3.  c.clothes dryer
• 4.  d.water heater