Plumbing - Session 13 Part 2

The maximum distance of a house traps hand-holes that shall be provided with clean-outs at the cellar floor of finish grade is:df

A. 12 inches.

B. 18 inches.

C. 24 inches.

D. 30 inches.

Gas testing of a gas pipe with a reading of 5 inches of mercury you must test at:

A. 30 psi, 30 min.

B. 50 psi, 1 hr.

C. 100 psi, 1 hr.

D. 6" of mercury , 30 minutes.

On the drawing the sterilizer vent was connected on the last floor with a tee to a stack thru the roof:

A. All vents may connect at this point.

B. Bed pan vents may connect to the sterilizer vent.

C. Sterilizer vents must connect independently through the roof.

D. Only sterilizer and clear water waste vents may interchange connections.

What is the best answer about storm water clean-outs requirements:

A. Building sewers shall be provided with clean-outs located not more than 100 feet apart measured from the upstream entrance of the clean-out.

B. All horizontal drains shall be provided with clean-outs located not more than 100 feet apart.

C. For building sewers 8 inches and larger, manholes shall be provided and located not more than 200 feet from the junction of the building drain and building sewer, at each change in direction and at intervals not more than 400 feet apart.

D. A, B & C.

It take 51% of an hour to connect each underground fitting, the labor rate is $32.00 per hour. When counting how many underground fittings you have so you can estimate the cost, you found that you have 12 fittings. The cost is:

A. $120.50

B. $130.75

C. $195.84

D. $204.90

How many water domestic water mains are required for hospitals:

A. One.

B. Two.

C. Three.

D. Four.

Upon completion of a section of or the entire water supply system, the system, or portion completed, shall be tested and approved tight under pressure of … psi above its normal working pressure but not less than … psi:

A. At least 25% greater than the working pressure under which it is to be used.

B. "A" above and 50 psi.

C. 50, 150.

D. 25, 50.

Direct cost for plumbing job is $2,50.00 for labor and material. The supplementary costs are as follows:

Overhead - 6.5%

Permits - $150.00

Overhead cost on job - 2%

Contingency - 3%

Profit - 10%.

The permit costs are $75.00 the balance is transferred to contingency. How much is the contingency cost in dollars:

A. $50.00

B. $75.00

C. $125.00

D. $150.00

Direct cost for plumbing job is $2,50.00 for labor and material. The supplementary costs are as follows:

Overhead - 6.5%

Permits - $75.00

Overhead cost on job - 2%

Contingency - $150.00

Profit - 10%.

What is overall cost of the project:

A. $2,937,50

B. $2,837,50

C. $2,737.50

D. $2,637.50

What is the profit if overall cost of the project is $2,937.50 and profit is 10%?

A. $393.75

B. $293.75

C. $303.75

D. $403.75

A gallon of water changed temperature from 150*F to 170*F. How many BTU's are required:

A. 500

B. 750

C. 1000

D. 1250.

The outlet pipe size from a P-trap. which has the largest size for fixture used:

A. Bathtub.

B. Floor mounted urinal.

C. Gang shower.

D. Double laundry tray.

The type of joint not permissible in medical gas is:

A. Brazed.

B. Threaded brass.

C. Flanged.

D. High temperature soft solder.

What is used and installed in a plumbing system to prevent odor and gases from entering into the house drain from the house sewer:

A. Fixture trap.

B. Venting system.

C. F.A.I.

D. House trap.

PVC piping are allowed in soil, waste and venting systems in:

A. Residential one and two family homes.

B. Residential buildings five stories or less.

C. Residential buildings three stories or less.

D. In all buildings used for residential purposes.

To what depth in rock excavation the material removed below the grade line of the trench and then backfilled and tamped to grade with sand to provide uniform firm foundation for the pipe:

A. 1 inch to 3 inch.

B. 2 inches to 4 inches.

C. 3 inches to 5 inches.

D. Minimum of 3 inches.

Upon completion of a section of a water system or of the entire water system, the completed section or system shall be verified as to materials, and shall be tested and proven tight under a water pressure of at least:

A. Proved tight under a water pressure of 50 psi.

B. Proved tight under a water pressure of 50 psi above its normal working pressure.

C. Proved tight under a water pressure of 50 psi above its normal working pressure but not less than 150 psi.

D. 25% greater than the working pressure under which is used.

Hot water in hospitals to patient's showers, therapeutic equipment, and continuous bath shall be provided with control valves automatically regulating the temperature of the water supply to the fixture exceeds:

A. 110*F.

B. 115*F.

C. 120*F.

D. 140*F.

Each sterilizer shall be provided with an individual and separate indirect waste and with an air break having:

A. A diameter at least equal that of the tail piece.

B. A diameter at least twice that of the tail piece.

C. A 1 inch air break.

D. A 3/4 inch air break.

A grease interceptor has a 60 gpm maximum capacity of:

A. 120 lbs.

B. 100 lbs.

C. 80 lbs.

D. 60 lbs.

The best tool to remove the burs from the steel pipe when not using a power tool is:

A. Spiral reamer.

B. 3/4" flat file.

C. Chipping iron.

D. Wire brush.

An undersize waste pipe create what kind of condition:

A. Stoppages.

B. No problem.

C. Faster drainage.

D. Better flow.

Plumbing work: The installation, maintenance, repair, modification, extension or alteration of plumbing, standpipe where a sprinkler is not connected or is not now being connected, domestic water, connection to the domestic water, combination domestic water and reserve standpipe supply tank up to and including the roof tank check valve, gas piping or any piping system referred to in the New York city plumbing code, and/or up to:

A. 30 sprinkler heads off the domestic water in any building.

B. 25 sprinkler heads off the domestic water in any building.

C. 20 sprinkler heads off the domestic water in any building.

D. 15 sprinkler heads off the domestic water in any building.

The symbol on figure 38 describe best:

A. An upright fire sprinkler head.

B. A pendent fire sprinkler head.

C. A riser in the center of the pipeline.

D. A sidewall fire sprinkler head.

Figure 39 represents a:

A. Storm drain, rainwater drain.

B. Subsoil drain.

C. Soil, waste or sanitary sewer.

D. Vent.

Figure 40 represents a:

A. Acid waste.

B. Vent.

C. Acid vent.

D. Indirect drain.

Figure 41 represents a:

A. Pump discharge line.

B. Hot water supply.

C. Cold water.

D. Hot water re-ciculating.

Figure 42 represent a:

A. Cold water.

B. Hot water re-circulating.

C. Vent.

D. Hot water supply.

Figure 43 represents a:

A. Cold water.

B. Vent.

C. Hot water recirculating.

D. Hot water supply.

Figure 44 represent a:

A. Fuel oil supply.

B. Fire protection water supply.

C. Fire return.

D. Fuel oil return.

Figure 45 represents a::

A. Low-pressure steam supply.

B. Low-pressure condensate.

C. Medium-pressure steam supply.

D. High pressure condensate.

Figure 47 represents a:

A. Medium pressure steam supply.

B. Medium-pressure condensate.

C. High-pressure steam supply.

D. Low-pressure condensate.

Figure 48 represents a:

A. Check valve.

B. Plug valve.

C. Gas cock.

D. Gate valve.

Figure 49 represents a:

A. Gate valve .

B. Globe valve.

C. Ball valve.

D. Butterfly valve.

Figure 50 represents a:

A. Gate valve .

B. Globe valve.

C. Ball valve.

D. Butterfly valve.

Figure 51 represents a:

A. Gate valve .

B. Globe valve.

C. Ball valve.

D. Gas cock, gas stop.

Figure 52 represents a:

A. Gate valve soldered.

B. Check valve welded.

C. Globe valve screwed.

D. Butterfly valve bell and spigot.

Figure 53 represents a:

A. Butterfly valve.

B. Grease separator.

C. Balancing valve.

D. Plug valve.

Figure 54 represents a:

A. Ball valve.

B. Butterfly valve.

C. Gas cock.

D. Angle valve.

Figure 55 represents a:

A. Union (screwed).

B. Union (flanged).

C. Tee.

D. Concentric reducer.

Figure 56 represents a:

A. Steam trap (all types).

B. Flor drain with P-trap.

C. Yard clean-out.

D. Clean-out to grade.

Figure 57 represents a:

A. Vacuum.

B. Medical compressed air.

C. laboratory compressed air.

D. (Heating) hot water supply.

Figure 58 represents a:

A. High-pressure steam.

B. Medium-pressure steam.

C. High-pressure return.

D. Medium pressure return.

Figure 59 represents a:

A. Medium-pressure steam.

B. Medium pressure return.

C. High pressure steam.

D. High pressure return.

Figurer 60 represents a:

A. High-pressure steam.

B. High pressure return.

C. Medium-pressure steam.

D. Low-pressure steam.

Figure 61 represents a:

A. Fire line.

B. Vent line.

C. Soil line.

D. Waste line.

Figure 62 represents a:

A. Indicating butterfly valve.

B. Ball valve.

C. O..S. & Y.

D. Flagg valve.

Figure 63 represents a:

A. Butterfly valve.

B. Safety valve.

C. Gate valve.

D. Globe valve.

Figure 64 represents a:

A. Spring check valve screwed.

B. Vertical check valve screwed.

C. Swing check valve screwed.

D. Ball valve screwed.

Figure 65 represents a:

A. Spring check valve.

B. Vertical check valve.

C. Swing check valve.

D. Ball check valve.

Figure 66 represents a:

A. Safety valve.

B. Spring check valve.

C. Flagg butterfly valve.

D. Quick opening valve.

Figure 67 represents a:

A. Flagg valve.

B. Quick opening valve.

C. Key-operated valve.

D. Pressure operated valve.

Figure 68 represents a:

A. Air line valve.

B. Manual air vent.

C. Pressure relief valve.

D. Angle check valve.

Figure 69 represents a:

A. Bathtub.

B. Sink.

C. Stall shower.

D. Water fountain.

Figure 70 represents a:

A. Drinking fountain.

B. Bidet.

C. Lavatory.

D. Sink.

Figure 71 represents a:

A. Garage drain.

B. Meter.

C. Floor drain with backwater valve.

D. Oil separator.

Figure 72 represents a:

A. Flanged joint.

B. Screwed joint.

C. Spigot joint.

D. Weld joint.

Figure 73 represents a:

A. Flanged joint.

B. Screwed joint.

C. Spigot joint.

D. Weld joint.

Figure 74 represents a:

A. Flanged joint.

B. Screwed joint.

C. Spigot joint.

D. Weld joint.

Figure 75 represents a:

A. Flanged joint.

B. Screwed joint.

C. Spigot joint.

D. Weld joint.

Figure 75 represents a:

A. Screwed joint.

B. Spigot joint.

C. Weld joint.

D. Soldered joint.

Figure 77 represents a:

A. Reducing screwed 90* elbow.

B. Reducing flanged 90* elbow.

C. Reducing welded 90* elbow.

D. Reducing soldered 90* elbow.

Figure 78 represents a:

A. Soldered tee outlet down.

B. Welded tee outlet down.

C. Cross tee welded down.

D. Side outlet tee welded down.

Figure 79 represents a:

A. Free standing Siamese connection.

B. Wall outlet Siamese connection.

C. Double sprinkler outlet on the line.

D. Double water main to one outlet.

Figure 80 represents a

A. Gate valve.

B. Globe valve.

C. O.S. & Y.

D. Welded valve.

Figure 81 represents a:

A. Concentric screwed reducer.

B. Eccentric screwed reducer.

C. Reducer.

D. Lateral.

Figure 82 represents a:

A. Lateral.

B. Wye.

C. None of the above.

D. A & B.

Figure 83 represents a:

A. Welded tee-outlet down.

B. Welded tee-outlet up.

C. Soldered tee-outlet down.

D. Soldered tee-outlet up.

Figure 84 represents a:

A. Screwed expansion joint.

B. Flanged reducer.

C. welded sleeve.

D. Soldered bushing.

Figure 85 represents a:

A. Short turn sweep.

B. Long radius flanged elbow.

C. Long radius screwed elbow.

D. Left and right flanged elbow.

Figure 86 represents a:

A. Short turn sweep (C.I.).

B. Long turn sweep (C.I.).

C. Long radius soldered 90* elbow.

D. 90* solvent cement elbow.

The following abbreviation ASTM refers to the organization:

A. United States of America Standard Institute.

B. American National Standard Institute.

C. American Society for Testing Materials.

D. American Society for Teamsters.

Fill in the number at right of the abbreviation which corresponds to the names of the organizations:

United States of America Standards Institute.

American National Standard Institute.

Commercial Standards.

American Water Work Association.

5.. Federal Specification.

American Society of Mechanical Engineers.

American Society for Testing Material.

Cast Iron Soil Pipe Institute.

Americans with Disabilities Act.

National Fire Protection Association.

ASTM -

ASME -

AWWA -

CISPI -

ADA -

FS -

USASI -

NFPA -

ANSI -

CS -

Find total fixture unit and fill up table on figure 88 for piping diagram on figure 87,