Plumbing - Emanuel Civil Service Cours Part 2

The working pressure of a new potable water piping system is to be 50 psi. The minimum test pressure for this piping shall be most nearly:

A. 50 psi.

B. 100 psi.

C. 150 psi.

D. 200 psi.

The commissioner of buildings shall issue plumbers' licenses only to those persons who are certified candidates by the department of

A. Buildings.

B. Licenses.

C. Personnel.

D. Heaith.

The term "soil pipe" shall mean:

A. Extea heavy cast-iron pipe and fittings.

B. Any vertical line of cast-iron pipe.

C. A pipe that conveys sewage containing fecal matter to the building drain or building sewer.

D. Any pipe which conveys the discharge from urinals.

A piping arrangement in which a drain from a fixture discharges at a point above the flood level rim of the receptacle is definednas a:

A. Air gap.

B. Air break.

C. Fixture drain.

D. Branch waste.

The definition of an air gap in a water distribution system is most nearly:

A. The unobstructed vertical distance between the vacuum breaker and the ocerflow level of the plumbing fixture.

B. The unobstructed vertical distance between the centerline of the water supply piping and the flood level rim of the plumbing fixture.

C. The unobstructed vertical distance netween the bottom of the faucet and the ocerflow level of the plumbing fixture.

D. The unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet supplying water to a tank, plumbing fixture or other device and the flood level rim of the receptacle.

Which one of the following statement is not correct:

A. The "private sewer" is a part of the building drainage system.

B. "Storm sewer" can receive the discharge of rainwater, surface water, subsurface water and similar liquid waste.

C. A "plumbing fixture" is a receptacle or device that is either permanently or temporarily connected to the water distribution system of the premises and demands a supply of water there from; discharges waste water, liquid-born wastenmaterials or sewage either directly ornindirectly to the drainage system of the premises; or requiresbboth a water supply connection and discharge to the drainage system of the premises.

D. "Public sewer" - A common sewer directly controlled by public authority.

When tinning a brass solder nipple which is to be wiped to a lead pipe:

A. Too much flux does not do any harm.

B. It is good practice to dip the solder nipple into the wiping solder.

C. Rosin as a flux is preferred.

D. The brass does not have to be filed before tinning if rosin is used as a flux?

Another name for common bent:

A. Yoke bent.

B. Stack bent.

C. Wet vent.

D. Dual bent.

The only method that can be depended on to prevent backflow under all conditions is most nearly:

A. Air gap.

B. Cross connection.

C. Reduced pressure principle backflow preventer.

D. Backflow preventer.

Which one of the following statement is most nearlynincorrect:

A. Water at a temperature greater than 110F is hot water.

B. Water having a temperature range between 85F and 110F is tempered water.

C. Shower and tub valves shall be equipped with a means to limit the maximum setting of the valve to 120F.

D. Water above 155*F shall not be discharged into any part of the drainage system.

A vent connecting at the junction of two fixture drains or to a fixture branch and serving as a vent for bothbfixtures:

A. Continuous vent.

B. Wet vent.

C. Common vent.

D. Back vent.

Which one of the following statements is most nearly incorrect:

A. A trap is a fitting or device that provides a liquid seal to prevent the emission of sewer gases without materially affecting the flow of sewage or wsatewater through the trap.

B. A trap seal is the bertical distance between the weir and the top of the dip of the trap.

C. Floor drain traps shall have removable streiners.

D. Floor drains shall have a minimum 2" diameter drain outlet.

The best definition for a "drainage system" is most nearly:

A. A pipe that conveys sewage containing fecal matter to the building drain or building sewer.

B. Includes the water supply and the distribution pipes, plumbing fixtures and traps; water-treating or water using equipment; soil, waste and vent pipes; and sanitary and storm sewers and building drains; in addition to their respective connections, devices and appurtenances within a structure or premises.

C. Piping within a public or private premise that conveys sewage, rainwater or other liquid wasters to a point of disposal. A drainage system does not include the mains of a public sewer system or provate or public sewage treatment or disposal plant.

D. A connection between pipes, fittings, or pipes and fittings that is not screwed, caulked, threaded, soldered, solvent cemented, brazed or welded. A joint in which compression is applied along the centerline of the pieces being joined. In some applications, the joint is part of a coupling, fitting or adapter.

A "swimming pool" is any structure basin, chamber or tank containing an artificial body of water for swimming, diving or recreational bathing having a depth of:

A. 2 feet or more at any point.

B. 3 feet or more at any point.

C. 4 feet or more at any point.

D. 5 feet or more at any point.

Any physical connection or arrangement between two otherwise separate piping systems, one of which contains potable water and the other either of unknown or questionable safety or steam, gas or chemical, whereby there exists the possibility for flow from one system to the other, with the direction of flow depending on the pressure differential between the two systems is most nearly:

A. Anti-siphon.

B. Backflow.

C. Ceoss connection.

D. Backsiphonage.

A "building trap" installed in the building drain is to prevent most nearly:

A. Sewer-rats from entering the building house drain.

B. Vermin from entering the plumbing system.

C. Excess flow of sewer water into the building sewer.

D. To prevent circulation of air between the drainage system of the building and the building sewer.

A device supplied with hot and cold water located adjacent to a water closet or clinic sink to be utilized for cleamimg bedpans:

A. Hose.

B. Wash brush.

C. Chlorine injector.

D. Bedpan washer hose.

Any part of the piping system that extends to fixtures on two or less consecutive floors except a riser, main or stack:

A. Branch.

B. Crotens.

C. Riser.

D. Stack.

A distance along a soil wastenstack corresponding in general to a story height, but not less than 8 feet, within which the horizontal branches from one floor or story of a structure are connected to the stack:

A. Branch bent.

B. Building pipe.

C. Branch interval.

D. Buiding drain.

A vent connecting one or more individual vent with a vent stack orbstack:

A. Branch interval.

B. Branch vent.

C. Building branch.

D. Building branch drain.

Any structure occupied or intended for supporting or sheltering any occupancy:

A. Shed.

B. Storage bin.

C. Building.

D. Tent.

That part of the lowest piping of the drainag system that receves the discharge from soil, waste andother drainage pipe inside and that extends 5 feet in developed length of pipe beyond the exterior walls of the building and conveys the drainage to the building sewer:

A. Branch drain.

B. Building drain.

C. Branch interval.

D. Building sewer.

A buiding drain that conveys both sewage and storm water or other drainage:

A. Cobined building drain.

B. Combined sanitary drain.

C. Sanitary street sewer.

D. Combined street sewer.

A building drain that conveys sewage only:

A. Sanitary building drain.

B. Sanitary house sewer.

C. Sanitary street sewer.

D. Sanitary combined sewer.

A building drain that conveys storm water or other drainage, but not sewage:

A. Building storm drain.

B. Building sanitary drain.

C. Building combined drain.

D. Building hous sewer.

That part of a drainage system that extends from the end of the building drain and conveys the discharge to a public sewer, private sewer, individual sewage, disposal system or other point of disposal is:

A. House drain.

B. Building sewer.

C. Street sewer.

D. Public sewer.

A building sewer that conveys both sewage and storm water or other drainage:

A. Combined building sewer.

B. Combined house sewer.

C. Combined street sewer.

D. Combined provate sewer.

A building sewer that conveys sewage only:

A. Sanitary building sewer.

B. Combination building sewer.

C. Street building sewer.

D. Combination street sewer.

A building sewer that conveys storm water or other drainage, but not sewage:

A. Storm building sewer.

B. Combination building sewer.

C. Street building sewer.

D. Combination street sewer.

That portion of a house drainage system that conveys the drainage from the lower portion of the building to an ejector pot or sump pit from which it is pumped into the building house sewer:

A. House drain.

B. Building sub-house drain.

C. Building trap.

D. Indirect waste.

A vent that connects to a horizontal branch and vents two tras to a maximum of eight traps or trapped fixtures connected into a battery:

A. Loop vent.

B. Circuit vent.

C. Relief vent.

D. Uoke vent.

A covered tank for storing rain water to be utilized for purposes other than in the potable water supply:

A. Privy.

B. Outhouse.

C. Cistern.

D. Storage tank.

The discharge the is not permitted into the building storm drainage system is from most nearly:

A. Drinking fountain.

B. Condensate.

C. Cooling water.

D. Sub-surfase water.

A local venting pipe is most nearly used:

A. To vent an isolated fixture trap.

B. On the outlet side of a trap.

C. On the fixture side of the trap.

D. In a room to exhaustnfoul air.

The definition of a " relief vent" is most nearly:

A. A vent connection to the drain pipe through a fitting at an angle not greater than 45* to the vertical.

B. A vent installed so as to permit additinal circultion of air between the drainage and vent system where the drainage system might otherwise be air bound.

C. A vent that connects to a horizontal drainage branch and bents two traps to a maximum of eight traps or trapped fixtures connected into a battery.

D. A vertical bent pipe installed primary for the purpose of providing circulation of air to and from any part of the drainage system.

Which statement is mostl nearly correct:

A. The term "Branch shall mean any part of the drainage system that extends to fixtures on two or less consecutive floors except a riser, main or stack.

B. The term "Dead end" shall mean a branch leading from soil, waste or vent pipe; a building drain; or a building sewer, and terminating at a developed length of 2 feet or more by means of a plug, cap or other closed fitting.

C. The term "Leader" shall mean a drainage pipe for conveying storm water from roof or gitter drains to an approved means of disposal.

D. A,B,&C

The water seal for a trap serving a combination funnel and floor drain shall be minimum of most nearly:

A. 4 in.

B. 2 in.

C. 2-1/2 in.

D. 3 in.

An access opening in the drainage system utilized for the removal of obstructions:

A. Plug

B. Trap.

C. Fixture trap.

D. Cleanout.

The new york city plumbing code, subsequent amendments thereto, or any of the rules the commissioner adopted pursuant thereto is called a:

A. Ruling.

B. Amendment.

C. Rule.

D. Code.

The commissioner of buildings of the city of New York, or his or her duty authorized representative is considered to be the:

A. Representative.

B. Borough superintendent.

C. Commissioner.

D. Plan examiner.

A fixture combining one sink and one laundry tray or a two or three compartment sink or laundry tray in one unit is a:

A. Double sink.

B. Dual sinks.

C. Combination fixture.

D. Group fixtures.

A specially designed system of waste piping embodying the horizontal wet venting of one or more sinks of floor drains by means ofna common waste and vent pipebadequately sized to provide free movement of air above the flow line of the drain:

A. Waste and vent system.

B. Combination waste and vent system.

C. Drainage and vent system.

D. Drainage system.

A vent connection at the junction of two fixture drains or to a fixture branch and swrving as a vent for both fixtures:

A. Common vent.

B. Unit vent.

C. Dual vent.

D. A, B, & C.

Any surface of a plumbing fixture which is not ready visible and is not scoured or cleansed with each fixture operation:

A. Area not cleaned.

B. Not visible scum.

C. Concealed fouling surface.

D. Dirty area.

A pipe inside the building that conveys storm water from the roof to a storm or combined building drain:

A. Leader.

B. Conductor.

C. Water pipe.

D. Drainage pipe.

All of the wrirten, graphic and pictorial documents prepared or assembled for describing the design, location and physical characteristics of the elements of the project necessary for obtaining a building permit. The construction drawings shall be drawn to an appropriate scale are called:

A. Legal document.

B. Approved plans.

C. Homeowners drawings.

D. Construction documents.