RAIN SANITATION, DESIGN AND INSTALLATION

An impairment of the quality of the water to a degree which creates hazard to the public health and adversely affects the aesthetic and potable qualities of waters for domestic use.

• pollution

• contamination

• high hazard

• all of the above

Answer explanation

contamination is simply the presence of a substance

Pollution is contamination

No underfloor cleanout in any residential occupancy shall be located more than ____ from an access door, trap door or crawl hole.

• 4.5 m

• 6.5 m

• 6.8 m

• 6.1 m

Size of Clean Out attached to a pipe of 64 mm.

• 38 mm

• 64 mm

• 76 mm

• 89 mm

The end of a pipe which fits into a bell. Also a word used synonymously with faucet

• bib

• spigot

• male end

• connection

Answer explanation

A spigot is the opening from which a liquid or gas flows

A tap or a faucet is the controller which regulates whether flow occurs

A vertical vent line, the primary function of which is to provide additional circulation of air between the drainage and vent systems or to act as an auxiliary vent on a specially designed system such as a ‘’yoke vent” connection between the soil and vent stacks.

• relief vent

• loop vent

• main vent

• stack vent

The reconstruction or renewal of any part of an existing building for its maintenance.

• renovation

• repair

• expansion

• retrofit

A manufactured device or a prefabricated assembly or an on-the-job assembly of component parts, and serves as adjunct to the basic piping system and plumbing fixtures. An appurtenance demands no additional water supply nor does it add any discharge load to a fixture or the drainage system. It performs some useful functions in the operation, maintenance, servicing, economy or safety of the plumbing system.

• plumbing system

• plumbing fixtures

• plumbing appliance

• plumbing appurtenance

Answer explanation

Plumbing appurtenance-manufactured device

Plumbing appliance- means a receptacle

plumbing fixture is an exchangeable device

A stack as defined in the code

• Vertical main soil, waste or vent piping

• Any vertical vent

• the main vent

• horizontal main

Air pressure in drainage pipes greater than the atmospheric pressure

• Standard pressure

• Normal pressure

• back pressure

• barometric pressure

Answer explanation

Backflow is where the water flows back towards the supply source,

either by siphonic action (back siphonage) or forced back under pressure (back pressure).

Include all valves and controls used in plumbing systems which are accessible.

• regulators

• plumbing system

• cleanout

• regulating equipment