It refers to an individual who worked in the sanitary field of ancient Rome.

• Plumber

• Plumbarius

• Plumbum

• Plumplum

The minimum vertical distance from the bottom of water pipes to the top of sewer or drain pipe if laid in the same trench on top of the other.

• 300mm

• 500mm

• 200mm

• 100mm

Vertical flow of air used to separate different functions of spaces.

• Air curtain

• Air wall

• Air vent

• Air circulation

How many days, at least, shall be given before any plumbing work inspection is done after written notice for inspection?

• 3

• 4

• 5

• 6

A term applied to the interconnection of the same fixtures in one soil or waste branch with one branch vent.

• Union

• Battery of fixtures

• Connection of fixtures

• Series

Minimum wire size in square millimeter for a branch circuit with a 30-ampere rating using Type THW stranded copper conductor in a raceway.

• 1.5 sqmm

• 2 sqmm

• 4.5 sqmm

• 5.5 sqmm

A vent pipe connected to a vent stack.  

• Relief vent

• Circuit vent

• Loop vent

• Stack vent

The minimum size of trap and waste branch for a pedestal urinal.

• 2"

• 3"

• 4"

• 5"

Minimum lead content in percent for pipes and fittings safe for humans.

• 5%

• 2%

• 8%

• 10%

The overhead service conductors from the last pole or other aerial support to and including splices, if any, connecting to the service entrance conductors at the building.  

• Service drop

• Service cap

• Service entrance

• Service conductor