2018 Mechanical Chapter 13

An approved antisiphon valve shall be installed in lieu of the _ when a tank serves an oil burner where the fuel supply line is taken from the top.

• shutoff valve
• siphon-breaking device
• check valve
• back-pressure valve
• 1301.4

In fuel oil piping systems, all exterior above-grade fill piping shall be _ when tanks are abandoned or removed.

• capped
• tested
• flushed
• removed
• 1301.5

All fuel oil piping mtrl.s shall be rated for the _ of the system and compatible with the type of liquid.

• fluid, capacity and operating temperatures
• fluid, capacity and pressures
• operating temperatures and pressures
• location and durability
• 1302.2

Nonmetallic fuel oil pipe shall be installed only _.

• inside, above ground b. inside, below ground
• inside, above ground b. inside, below ground
• outside, underground d. outside, above ground
• outside, underground d. outside, above ground
• 1302.4

Pipe bends made in fuel oil piping shall not exceed the _ limitations of the

• pressure
• heat
• structural
• radius
• 1302.6

Pumps installed as a portion of a fuel oil piping system automatically shut off the oil supply when _ .

• recycling the system
• not in operation
• refilling is completed
• the oil level is low
• 1302.7

Joints and connections in fuel oil piping systems shall be approved, and _ fittings shall not be used.

• nonmetallic
• flexible
• brass
• cast-iron
• 1303.1

Unions with solder melting below _ ºF cannot be used in oil lines.

• 1000
• 1150
• 1200
• 1300
• 1303.1

Joints between different metallic piping mtrls used in a fuel oil piping system shall be made with approved fittings or converter fittings.

• flexible, nonmetallic
• rigid, brass
• brass, nonmetallic
• dielectric, brass
• 1303.1.1

Joints between steel fuel oil pipe shall be by any of the following methods, except _________.

• welded
• threaded
• mechanical
• brazed
• 1303.7