Plumbing - Session 5 Part 3

The maximum vertical hanger spacing for brass pipe:

A. 5 feet.

B. 10 feet.

C. 15 feet.

D. 20 feet.

The maximum horizontal hanger spacing for castbiron pipe is ... feet and hangers shall be increased to ... Feetnwhereb10-foot lengthsbof pipe are installed:

A. 5,10.

B. 10,10.

C. 5,5.

D. 10, 5.

The maximum horizontal hanger spasing for copper or copper-alloy pipe:

A. 12 feet.

B. 10 feet.

C. 8 feet.

D. 5 feet.

The maximum vertical hanger spacing forbcopper or copper-alloy pipe:

A. At each story height no greater than 12 feet.

B. At each other story height no greater than 20 feet.

C. At each other story height no greater than 15 feet.

D. At each other story height no greater than 18 feet.

The maximum horizontal hanger spacing for copper or copper-alloy tubing, 1-1/4-inch diameter and smaller:

A. 6 feet.

B. 8 feet.

C. 10 feet.

D. 12 feet.

The maximum vertical hanger spacing forncopper or copper-alloy tubing, 1-1/4 inch diameter and smaller:

A. At each story height no greater than 10 feet.

B. At every story height no greater than 20 feet.

C. At every story height no greater than 15 feet.

D. At every story height no greater than 18 feet.

The maximum horizontal hanger spacing for copper or copper-alloy tubing, 1-1/2-inch diameter and larger:

A. 10 feet.

B. 12 feet.

C. 15 feet.

D. 25 feet.

The maximum vertical hangervspacing for copper or copper-alloy tubing, 1-1/2-inch diameter and larger:

A. At each story height no greater than 10 feet.

B. At each story height no greater than 12 feet.

C. At each story height no greater than 18 feet.

The maximum horizontal spacing forbsteel pipe:

A. 8 feet.

B. 10 feet.

C. 12 feet.

D. 15 feet.

The maximum vertical hanger spacing for steel pipe:

A. Every 10 feet.

B. Every 15 feet.

C. At every story height.

D. At every other story height.

The maximum horizontal hangervspacing for stainless steel drainage systems:

A. 4 feet.

B. 8 feet.

C. 10 feet.

D. 12 feet.

The maximum vertical hanger spacing for stainless steel drainage piping systems:

A. 10 feet with mid-story guide for sizes 2 inches and smaller.

B. 12 feet with mid-story guide for sizes 2 inches and smaller.

C. 14 feet with mid-story guide for sizes 2 inches and smaller.

D. 16 feet with mid-story guide for sizes 2 inches and smaller.

The maximum vertical hanger spacing for ABC and PVC pipe for size 2 inches and smaller:

A. 5 feet.

B. 8 feet.

C. 10 feet.

D. 11 feet.

Rigid support sway bracing shall be provided atbchanges in directionbgreater than 45 degrees forbpipe sizes:

A. 2 inches and larger.

B. 4 inches and larger.

C. 8 inches and larger.

D. 10 inches and larger.

Anchorage shall be provided to restrain drainagebpiping from:

A. Certical movement.

B. Horizontal movement b

C. Axial movement.

D. North and south movement.

For pipe sizes greater than 4 inches, restraints shall be provided forbdrain pipes at all changes in direction and at all changes in diameter greater than:

A. One pipe size.

B. Two pipe sizes.

C. Three pipe sizes.

D. Four pipe sizes.

Expansion joint fittings shall be used only where necessary to provide for:

A. Expansion and contraction of pipes.

B. Expansion only.

C. Contraction only.

D. Only where temperature exceeds 150*F.

Bases of stacks shall be supported by:

A. Concrete.

B. Metal nrackets.

C. Brick laid in cement.

D. A, B & C.

Piping bundles for manifoldnsystems shall be supported in accordance with Table 308.5. Support at changes in direction shall be in accordance with the manufacturer's installation instructions. Hot and cold water pipes:

A. Should be grouped together.

B. Should be insulated.

C. Shall not be grouped together.

D. Should be separate by 2 inches.

Each water closet utilized by the public or employees shall occupy a separate compartment with walls or partitions and a:

A. Door enclosing the fixtures to ensure privacy.

B. Exhaust system at each compartment.

C. Supply of cotton towels.

D. Supply of bar soap.

The licensed master plumber shall notify the commissioner when thebpumbing work is ready for testnand shall give:

A. One day notice.

B. Two days notice.

C. Three daybnotice.

D. Four day notice.

The repair, replacement or alteration to existing water, waste, vent or storm water piping or the addition of no more than three plumbing fixtures or roof drains to an existing floor of an existing building, shall raquire:

A. Only a bisual inspection of waste, vent and storm water pipenroughing.

B. Only a visual inspection of the finish.

C. In addition to a pressure test of water piping at available building warter pressure.

D. A, B & C.

Test requiring a pressure of 10 psi or less shall utilize a testing gauge having increments of:

A. 0.10 psi or less.

B. 0.20 psi or less.

C. 0.30 psi or less.

D. 0.40 psi or less.

Test requiring a pressure of greater than 10 psi but less than or equal to 100 psi shall utilize a testing gauge having increments of:

A. 0.10 psi orless.

B. 1 psi or less.

C. 2 psi or less.

D. 3 psi or less.

Test requiring a pressure of greater than 100 psi shall utilize a testing gauge having increments of:

A. 0.20 psi or less.

B. 1 psi or less.

C. 2 psi or less.

D. 3 psi or less.

A water test shall be applied to the drainage system either in its entirety or in sections. If applied to the entire system, all openings in the piping shall be tightly closed, except the highestbopening, and the system shall be filled with water to the point of overflow. If the system is tested in sections, each opening shall be tightly plugged except the highestbopening of the section under test, and each section shall be filled with water, but no section shall be tested with less than a ... head of water. Intesting successive sections, at least the upper ... of the next preceding section shall be tested so that no joint ornpipe in the building, except the uppermost ... of the system, shall have been submitted to a test of less than a ... head of water. This pressure shall be held for at least ...

A. 10 ft, 10 ft, 10 ft, 5 psi.

B. 5 ft, 5 ft, 5 ft, 10 psi.

C. 10 ft, 10 ft, 10 ft, 15 minutes.

D. 10 ft, 10 ft, 10 ft, 30 minutes.

In a drainage and vent air test, an air test shall be made by forcing air into the system until there is a uniform gauge pressure of ... pound per square inch. Thisbpressure shall be held for a test period of at least ... minutes. Any adjustment to the test pressure required because of changes in ambinning of the test period:

A. 5, 15.

B. 10, 15.

C. 15, 15.

D. 5, 10.

The final test of the completed drainage andvent system shall be visual and in sufficient detail to determine compliance with the provisions of thisbcode except that the plumbing shall be subjectednto a smoke rest where necessary for cause. Where the smoke testnos utilized, itnshall be made by filling all teaps with water and then inteoducing into the entire system a pungent, thick smoke by ... or more ... machines. When the smoke appears at stack openings on the roof, tthe stack opening shall be closed and a pressue equivalent to a ... Inch water column shall be held for a test period of not less than ... minutes:

A. 1, smoke, 1, 10.

B. 1, smoke, 1, 5.

C. 1, smoke, 1, 15.

D. 1, smoke, 1, 20.

Gravity sewer tests shall consist of plugging the end of the building sewer at the point of connection with the public sewer, filling thebpublic serwer with water, testing with not less than a ... foot head of water and maintaining such pressure for ... minutes.

A. 5, 10.

B. 10, 10.

C. 10, 15.

D. 15, 15.

Forced sewer tests shall consist of plugging the end of thebbuilding sewer at the point of connection with the public sewer and applying a pressure of ... psi greater than thebshut off pump reting, and maintaining such pressurebfor ... minutes:

A. 5, 15.

B. 10, 10.

C. 10, 5.

D. 5, 10.

Storm drainage system test within a building shall be tested by water or air in accordance with:

A. Drainage and vent water test.

B. Drainage and vent airbtest.

C. Water service test.

D. A & B.

Inspection and testing of backflow prevention assemblies shall comply every:

A. Annual.

B. 2 years.

C. 3 years.

D. 5 years.

Reduced pressure principal backflow preventer assemblies, double check valve assemblies, pressure vacuum breaker assemblies, reduced pressure detector fire protection backflow prevention assemblies, double check detector fire protection backflow prevention assemblies, hose connection backflow preventers, and spill-proof vacuum breakers shall be tested:

A. Every two years.

B. At the time of installation.

C. Immediately after repairs or relocation.

D. B &C.

Equipment efficiencies shall be in accordance with the:

A. New York City energy conservation construction code.

B. New York State energy conservation construction code.

C. The federal energy conservation construction code.

D. MEA approved.

Condensate disposal from all cooling coils and evaporatoea shall be conveyed from the drain pan outlet to:

A. Floor drain.

B. Plumbing fixtures.

C. An approved place of disposal.

D. A, B & C.

Condensate disposal from all cooling coils and evaporators shall be conveyed from the:

A. Plumbing fixtures.

B. Drain pan outlet.

C. Floor drain

D. A & C.

Condensate from cooling coils and evaporators shall not discharge into:

A. Street.

B. Alley.

C. Areas so as to cause a nuisance.

D. A, B & C.

Condensate waste and drain line size shall not be less than:

A. 1-1/4".

B. 1".

C. 3/4".

D. 1/2".

Condensate waste and drain piping shall be less than:

A. In a uniform alignment.

B. At a uniform slope.

C. At an un-uniform slope.

D. A & B.

When installing auxilliary and secondary drain systems for condensate disposal additional required shall be installed:

A. A secondary drain shall be required for each cooling or evaporator coil where damage to any building components will occur as a result of overflow from the equipment drain pan or stoppage in the condensate drain pipe.

B. An auxiliary pan shall be required for each cooling or evaporatior coil where damage to any building components will occur as a result of overflow from the equipmentbdrain pan or stoppage in the condensate drain pipe.

C. All secondary drains shall be installed directly to the waste system.

D. A & B.

When installing auxiliary and secondary drain systems for condensate disposal, it's incorrect to:

A. An auxiliary drain pan with a separate drain shall be provided under the coils on which condensation will occur.

B. The auxiliary drain pan shall discharge to a conspicuous point of disposal to alert occupants in the event of a stoppage of the primary drain.

C. The pan shall have a minimum depth of 1.5 inches, shall not be less than 3 inches larger than the unit or the coil dimensions in width and length.

D. Shall be constructed of materials that will not corrode rapidly.

Auxiliary and secondary drain pans shall have a minimum thickness of not less than 1/16 in. For nonmetalic pans shall not have a minimum thickness of not less than 1/32 in. :

A copper sheet metal.

B. Galvanized sheet metal.

C. Aluminum sheet metal.

D. Plastic sheets.

Auxiliary and secondary drain pans shall have a separate ovrflow drain line and shall be connected to the drain pan provided with the equipment. Such overflow drain shall discharge to a conspicuous point of disposal to alertnoccupants in the event of a stoppage of the primary drain. The overflow drain line shall connect to the drain pan at a:

A. Higher level than the primary drain connection.

B. Lower level than the primary drain connection.

C. Lower level than the secondary drain connection.

D. Lower level than the other drains.

An auxiliary drain pan without a separate drain line shall be provided under the coils on which condensate will occur. A device that will shut off the equipment served prior to overflow of the pan will be a:

A. A waterblevel detection device.

B. Auxiliary drain line.

C. Ballcock.

D. Gate valve.

Condensate draims shall:

A. Be trapped as required by the equipment or appliance manufacturer.

B. Not be trapped as per code requirements.

C. Not be trapped as requested by the equipment or appliance manufacturer.

D. Should not be trapped.

Water closets that have a concealed trap seal or an unventilatednspace or having walls that are not thoroughly washed at each discharge in accordance with ASME A122.19.2m:

A. May be approved.

B. Shall be prohibited.

C. May be approved with an MEA approval.

D. Dept. of building approval on the approved plans.

A water closet that permits siphonage of the contents of the bowl back into the tank:

A. May only be used in temporary locations.

B. Shall be prohibited.

C. Can be used in certain locations.

D. May only be approved by the commissioner.

Plumbing fixtures shall be constructed of:

A. Approved materials.

B. Smooth imperviousbsurfaces.

C. Free from defects and concealed fouling surfaces.

D. A, B & C.

All porcelain enamel surfaces on plumbing fixtures shall be/

A. Heated to a white finish.

B. Acid resistant.

C. Man made.

D. Have a union label.

Materials for specialty fixturesbnot otherwise covered in this code shall be of:

A. Stainless steel, soapstone, chemical stoneware.

B. Shall be lined with lead, copper-base alloy.

C. Corrosion resistant steel.

D. A, B & C.

Sheet copper for general applications shall conform to B152 and shall not weight less than ... per square foot:

A. 4 ounce copper.

B. 8 ounce copper.

C. 12 ounce copper.

D. 16 ounce copper.

Sheet lead for pans shall not weigh less than:

A. 2 pounds per square foot.

B. 4 pounds per square foot.

C. 6 pounds per square foot.

D. 8 pounds per square foot.

Where plumbing fixtures are required:

A. Unisex toilets may be provided.

B. Separate facilities shall be provided for each sex.

C. Separate facilities shall not be required for private facilities.

D. B & C is correct.

Separate employee facilities shall not be required in occupancies in which:

A. 15 or more people are employed.

B. 20 or more people are employed.

C. 15 or less people are employed.

D. 20 or less people are employed.

Separate facilities shall not be required in structures or tenant spaces with a total occupant load, including both employees and customers of:

A. 5 or less.

B. 10 pr less.

C. 15 or less.

D. 20 or less.

The requires water closets, lavatories, and showers or bathtubs shall be distributed equally between sexes based on the percentage of each sex anticipated in the occupant load. The occupant load shall be composed of 50 persent of each sex, unless:

A. The department of building plan examiner objects.

B. Statistic data approved by the commissioner indicate a different distribution of the sexes.

C. The licensed plumber states otherwise after inspecting the premises.

D. Licensed architect or PE indicates otherwise.

Access to toilet facilities in occupancies other than mercantile and assembly occupancies shall be from within the employees' working area. Employees facilities shall be either separated facilities or combined employee and public facilities. The axception to this law; facilities that are required for employees in storage structures orbkiosks (a stand or a booth at which merchandise is sold, open summerhouse, outdoor newsstand) and are located in adjacent structures under the same ownership, lease or control, shall be a maximum teavel distance of:

A. 300 feet from the employees' working area.

B. 500 feet from the employees' working area.

C. 1000 feet from the employees' working area.

D. 1500 feet from the employees' working area.

The required toilet facilities in occupancies other than assembly or mercantile shall be located not more than:

A. One story above or below the employees' working area and a path of teavel to such facilities shall not exceed a distance of 500 ft.

B. One story above or below the employees' working area and a path of teavel to such facilitiesbshall notnexceed a distance of 1000 ft.

C. One story above or below the employees' working area and a path of teavel to such facilitiesbshall notnexceed a distance of 15000 ft.

D. One story above or below the employees' working area and a path of teavel to such facilitiesbshall notnexceed a distance of 2000 ft.

Employees shall be provided with toiletnfacilitiesnin building and tenantnspaces utilized as restaurant, nightclubs, places of public assembly and mercantile occupancies. The employee facilities shall be either separate facilities or combined employee and public facilities. The required toilet facilities shall be located not more than story above or below the employees' work area and path of travel to such facilities, in other than covered mallsnsjall not exceed a distance of:

A. 100 feet.

B. 200 feet.

C. 500 feet.

D. 400 feet.

In covered mall buildings, the path of travel to required toilet facilities shall not axceed a distance of:

A. 100 feet.

B. 200 feet.

C. 300 feet.

D. 400 feet.

Where pay facilities are installed, such facilities shall be in excess of the required minimum facilities. Required facilities shall be:

A. Free of charge.

B. Pay as you use.

C. Free at the discretion of the commossioner.

D. Free, at the discretion of the Mayor.

The supply lines and fittings for every plumbing fixture shall be installed:

A. With a minimum spread of four inches.

B. So as to prevent backflow.

C. To be replaced easily.

D. Easy access to the homeowner for repair.

Plumbing fixture shall be installed so as to afford:

A. Easy access for cleaning both the fixture and the area around the fixture.

B. Easy access for cleaning the fixture.

C. Easy access for cleaning around the fixture.

D. Be easily removed without complications.

A water supply system test, upon completion of a section of or the entire waterbsupplynsystem, the system, or portion completed, shall be tested and proved tight under a water pressure of ... psi above its normalnworking pressure but not less than ... psi. The water utilized forntestnshall be obtained from a potable source of supply. The required tests shall be performed in accordance with this section:

A. 50-100.

B. 50-150.

C. 75-175.

D. 100-150.

Fixtures shall be set ... And in proper alignment with reference to adjacent walls:

A. With a pitch

B. Level.

C. Above the floor.

D. For use for all ages.

Connections between the drain and floor outlet plumbing fixtures shall be made with:

A. A gasket.

B. Washer.

C. Floor flange.

D. Tile connector.

A water closet, urinal, lavatory or bidet shall not be set closer than ... Inches from its center to any side wall, partition, vanity or other obstruction, or closer than ... Inches center-to-center between water closets, urinals or adjacent fixtures. There shall be at least a ... Inch clearance in front of the water closet, urinal or bidet to any wall, fixture or door. Water closet compartments shall not ne less than ... Inches wide or ... Inches deep. There shall be at least ... inch clearance in front of a lavatory to any wall, fixture or door:

A. 5,30,21,30,66,21..

B. 10,30,21,30,66,21.

C. 15,30,21,30,60,21.

D. 20,30,21,30,60,21.

In employee and public toilet rooms, the required lavatory shall be located in the:

A. Same room as the required water closet.

B. Same room as the required bathtub.

C. Same room as the required shower stall.

D. Same room as the required service sink.

Floor flanges used for connecting plumbing fixture shall be attached to the drain and:

A. Connected to the fixture inlet.

B. Anchored to the structure.

C. Anchored to the tile.

D. Anchored to the piping.

Connections between the drain and wall-hung water closet shall be made with:

A. An approved extension nipple.

B. An approved horn adapter.

C. A & B.

D. None of the above.

The water closet shall be boltednto the hanger with corrosion-resistant bolts or :

A. Nails.

B. Washers.

C. Screws.

D. Caps.

Floor a nd drainage connections forbwaternclosets and urinals, the joints shall be sealed with an:

A. Approved elastomeric gasket.

B. Flange-to-fixture connection complying with ASME A112.4.3.

C. Setting compound conforming to FSTT-P-1536A.

D. A, B & C.

Floor flanges for water closets or similarnfixtures when made of brass shall not be less than:

A. 1/8 inch thick.

B. 1/16 inch thick.

C. 1/4 inch thick.

D. A, B & C.

Floor flanges for water closets or similar fixtures when made of plastic shall not be :

A. Less than 3.2 mm thick.

B. Less than 6.4 mm thick.

C. Less than 1.6 mm thick.

D. Less than 0.8 mm thick.

Floor flanges for water closets or similar fixtures when made of cast-iron or galvanized malleable iron shall not have a caulking depth less than:

A. 1 inch.

B. 1-1/2 inches.

C. 2 inches.

D. 3 inches.