An exterior vertical drainage pipe for conveying storm water from roof or gutter drains., Leader, Conductor, Downspout, Storm Drain, How many turns of the teflon tape is used for GI pipe?, 6, 3, 5, 4, Based on the fixture demand, 10 water closets are needed to be installed in one floor. What will be the appropriate installation?, Increase the branch drain size and treat it as a combination waste-and-vent system, and utilize 1 relief vent., Connect all water closets to a common horizontal branch and provide a single stack vent., Connect all water closets to individual branch drains and individual vents., Connect all water closets to a common horizontal branch with 2 separate circuit vents, Water supply for Flush Tank Water Closet, 1/4", 3/8", 1/2", 3/4", What is the pipe engagement for 1-1/2 inch threaded steel pipe?, 3/8, 1/2, 9/16, 5/8, A 5-bedroom house has a septic tank, which serves 45 DFU. What should be the minimum volume of the septic tank's digestive chamber?, 6.81 cu.m, 5.05 cu.m, 4.96 cu.m, 7.23 cu.m, Which of the following conditions will not prevent hot water from being delivered to a plumbing fixture?, improper insulation leads to thermal loss, pump head is insufficient, the mixing valve limits temperature fluctuation, scale has built up due to hardness, A sun deck has a 3” outlet pipe as its drain. What must be the total net inlet area of the strainer?, 6.90 sq.in, 10.60 sq.in, 25.13 sq.in, 14.14 sq.in, For an installation of gas piping in a multiple-tenant mall, what is the recommended installation?, provide individual gas cylinder or tank per tenant with individual meters and individual shut-off valves, provide 1 emergency shut-off valve and individual meters, install one main shut-off valve at the master meter, use centralized gas system with individual meters and individual shut-off valves, What is the recommended solution if a pipe leak is located in an inaccessible or concealed area?, install bypass pipes, install a PRV at critical points, repair the accessible pipes, repipe the entire system, A lawn irrigation system is being supplied by a rainwater harvesting tank. In case rainwater storage becomes insufficient, what practical design will you recommend so there's additional back-up source?, tap water directly from building drainage system, tap from an existing well for additional connection, and provide backflow protection device, provide connection from a nearby fire hydrant, provide connection from the building's water supply with backflow protection device, Which pipe material exhibits higher expansive and contractive behavior?, PVC, PE, CPVC, Copper, How many threads per inch does a pipe size of 3/4" have?, 18 threads per inch, 8 threads per inch, 14 threads per inch, 11-1/2 threads per inch, Which is not true when designing storm drainage for roof?, The height of stones or other granular material above waterproofed surface shall not be considered in water depth measurement., Leaders connected to combined sewer shall be trapped., Roof surface in the vicinity of the drain shall not be recessed., Each roof drain should have a precalibrated and proportional mechanical device., The trench width at pipe grade should be _____., 15 cm wider than pipe diameter, 10 cm wider than pipe diameter, 20 cm wider than pipe diameter, 30 cm wider than pipe diameter, Which of the following is an allowable application to utilize processed sludge?, applying sludge to land used for pasture purpose, applying sludge to land for root crops, applying untreated sludge for crops for human intake, applying sludge to soil with pH level less than 6.5, Due to structural constraints, an 8" soil branch is being inclined at 1%. What is the maximum number of fixture units it can serve?, 2640, 3744, 2880, 2112, The vertical vent pipe installed primarily for providing circulation of air to and from any part of the soil, waste of the drainage system, Stack Vent, Vent Stack, Stack Vent Through Roof, Main Vent, What installation in the plumbing system is connected to separate installation of drainage and terminated at the storm sewer?, catch basin, cistern, roof leaders, gutters, What scenario necessitates a yoke vent?, When a building has 10 or more stories., When the building has a vent stack parallel to a soil stack., When multiple vent stacks are used., When a building serves multiple sets of battery of fixtures., Septic tanks should be cleaned when scum or sludge occupies ____ of the tank volume., 3/4, 1/3, 1/2, 2/3, What is the function of gas pressure regulator?, to shut-off gas supply during emergencies, to monitor gas leakage, to adjust gas flow to match peak demand, to reduce excess gas pressure to required level, A factory made gas vent listed by a nationally recognized testing agency for venting listed or approved appliances equipped to burn only gas., Class A Pipe, Type C vent, Type BW vent, Type B vent, Unless prohibited by structural conditions, what is the reference of each vertical vent pipes before offsetting horizontal to join the stack vent or vent stack?, Air gap fixture, Invert of trap, Highest flood level rim of fixture, Water level inside the trap, Inside a building, what gas piping installation best allows high operating pressure?, the piping is combinedly used for industrial processing and mechanical rooms, the pipings are joined by threaded fittings, the pipings are joined by brazing, the pipings are made of corrugated stainless steel tubing, Minimum velocity of waste in a sewer pipe, 3 ft/s, 6 ft/s, 2 ft/s, 8 ft/s, An underground gas pipeline made of plastic material is installed near a steam line. As a Master Plumber, what should be considered in the installation?, provide sufficient clearance or insulation, place the gas piping line above the steam piping line, change the piping material to zinc-coated piping, place the gas piping on a firm bed, below the steam piping line, A backwater valve is placed along the primary branch of a plumbing installation. What Plumbing Principle number is being satisfied?, Principle No. 5, Principle No. 22, Principle No. 18, Principle No. 15, Which is not true about Heat Pump Water heaters?, It can be installed near other heat-generating appliances., Its connection with a high-pressure boiler loop makes it more efficient than electric water heaters., They become more efficient if they operate in areas like basement or garage., It needs sufficient air volume for heat extraction., A public sewerage system serves _____ persons or more., 100, 50, 25, 15, What is the best plastic material for fire protection?, Crosslinked Polyethylene, Polypropylene Random Copolymer, Chlorinated Polyvinyl Chloride, Polyvinyl Chloride, It shall not be used for piping carrying chemical or industrial wastes., Borosilicate Glass, PVC, ABS, Copper tube, _____ pressure is the other term for back pressure., Plenum, Oscillation, Momentum, Siphonage, For condensers and sumps, what is the purpose of installing wearing plates or baffles in the tank?, to protect the shell, to ensure retention of flow, to eliminate hot water pressure, to minimize leakage, What section of the IRR of RA 1378 covers the Basic Principles in the practice of Master Plumbing?, Section 14, Section 5, Section 12, Section 16, This law aims for the improvement of the way of the Filipinos by directing public health services towards the protection and promotion of the health of the people., Environmental Code, Sanitation Code, Plumbing Code, Building Code, What is the corresponding size of the cleanout for a 150 mm pipe?, 127 mm, 75 mm, 152 mm, 89 mm, The primary function of this vent is to provide circulation of air between drainage and vent systems or to act as an auxiliary vent on a specially designed system., Yoke Vent, Local Vent, Unit Vent, Relief Vent, Due to limitations of ground depth, sufficient ground cover cannot be provided for an underground gas piping. What is the best solution?, use gas pressure regulator, pipe shall be coated with bituminous coating, install the gas piping within a conduit, reroute the gas piping above ground and enclose with conduit, What is the maximum horizontal offset permitted in a 3" soil or waste stack that is serving as a wet vent?, 3.50 m, 1.80 m, 2.50 m, 1.20 m, How many water closets will you provide for 300 female audience in an assembly place?, 8, 10, 9, 11, A battery of 5 flushing rim sink must be served by a branch of _____ branch pipe, 4", 3", 5", 6", DFU of bathtub, 4, 6, 2, 1, For metallic pipe fittings in fuel applications, threaded fittings in sizes larger than _____ shall not be used unless approved by the Authority having jurisdiction., 5 inches, 4 inches, 8 inches, 6 inches, Hot water demand for laundry tub in hotels, 75 gph, 400 gph, 28 gph, 20 gph, Which of the following installations do not require installation of a clean out?, At upper end of every soil branch, Any horizontal pipe exceeding 15 meters, Any change in the direction of trap arm exceeding 22.5 degrees, At every branch interval of a soil stack, Typical safety devices for domestic hot water boilers or hot water storage tanks include the following, except _____., Separate pressure relief and temperature relief valves within 18 inches from the boiler, An emergency shut-off valve between the relief valve and boiler, A combination pressure and temperature relief valve, An individual pressure relief valve and energy cutoff device, Which of the following is not an appropriate connection of closet flange?, epoxied to clay pipe, burned to lead bends or lead ferrule, caulked to cast iron soil pipe, soldered to lead bends or lead ferrule, What should be the maximum height when stacking pipes?, 1.2 m, 1.5 m, 1.8 m, 1.0 m, A Master Plumber shall not directly or indirectly injure the professional reputation, _____, or practice of his fellow master plumbers. Accordingly, he/she shall bring to the proper forum for appropriate action, any violation of the rules, and unethical or unprofessional practices., standing, prospects, dignity, clientele, In a plumbing unit, there are _____ floor drains and ____ faucets, according to the building code., 3; 3, 2; 3, 3; 4, 2; 4, A water heater consisting of a storage tank equipped with an internal or external heat exchanger used to transfer heat from a boiler to heat potable water., Heat Pump Water Heater, Solar-Powered Heater, Recovery Coil Water Heater, Indirect-Fired Water Heater, What type of work is prohibited for pipings that contain gas?, purging pipe in an unconfined space, finalizing electrical works before possible alterations in the piping system, using high-pressure carbon dioxide for testing, welding pipe to fix leaks, For accessible toilets, water closets shall be installed _____ from the finished face of the sidewall to the centerline of the water closet., 425 mm, 375 mm, 400 mm, 450 mm, Overhead water tanks shall be provided with a vent and an overflow pipe leading to _____., storm drain, ground, waste pipe, return line, This tank is typically installed before the pump intake to prevent possible backflow., Hydropneumatic Tank, Air Chamber, Gravity Tank, Break Tank, According to the building code, the allowed material for the dry standpipe are _____., wrought iron and galvanized iron, cast iron and galvanized iron, black iron and wrought iron, wrought iron and stainless steel, Due to space constraints, a sewage drain pipe needs to be routed through fire exit stairs. What should be the design solution?, route the pipe drain overhead with fire-rated enclosure, ensure drains are present to avoid flooding, construct a fire-rated chase without compromising required clearances, provide fire-stopping sealant to avoid explosive hazards, For aerobic sludge digestion, which pump installation set-up is the most desirable?, one central centrifugal pump, duplicate units of water lift pump, plunger pump as back-up to existing centrifugal pumps, piston pump for raw sewage, What should be the minimum distance of a disposal field from a property line?, 3 m, 15.2 m, 1.5 m, 30.5 m, What Section indicates that the Rainwater drainage shall not discharge to the sanitary sewer system?, Rule IX Section 906, Rule IX Section 904, Rule IX Section 902, Rule IX Section 903, What is the minimum water supply for a service sink?, 1/2", 1", 1/4", 3/4", What is the most important valve for gas piping installation?, vacuum relief valve, check valve, pressure-relief valve, shut-off valve, What will be the best condition to test water for legionella?, when water's temperature drops, when water is stagnant, when the water tank is exposed to air, when water is freshly chlorinated, What kind of test is frequently used for the roughing-in of a drainage system before it is closed?, smoke test, odor test, air test, water test, What is the maximum distance of a 1 1/2" trap to vent termination?, 0.762 m, 1.524 m, 1.829 m, 1.067 m, What is the maximum length of a 3" soil stack?, 55 m, 91 m, 45 m, 65 m, WSFU of wall lip urinal, 5, 2, 3, 10, Which of the following is the least sustainable practice?, Suspending irrigation when adequate soil moisture is present, Showerheads having a maximum flow rate of 2 gpm, Ponds and water fountains being supplied with reclaimed water or rainwater, Water closet having a maximum effective flush rate of 1.6 gpf, When shower receptors are built above ground the sub-floor and rough side of walls to a height of _____ above the top of the finished dam or threshold shall be first lined with sheet lead or copper or with other durable and watertight materials., no more than 76 mm, less than 76 mm, no less than 76 mm, more than 76 mm, Which medium is prohibited for testing a gas piping system?, air, carbon dioxide, oxygen, nitrogen, The person responsible for monitoring a permit-required confined space is called _____., attendant, watcher, entrant, first respondent, Date of promulgation of the Code on Sanitation, December 23, 1975, July 1, 1976, April 1, 2004, September 12, 1976, That portion of an underground system, which cannot drain by gravity into the building sewer., Subsoil Drain, Building Subdrain, Sewer, Sump, If a pre-fabricated septic tank is improperly installed, what can be the effect?, Pre-fabricated tanks are not allowed., Floating, Implosion, Overloading, Why is a mixing valve installation necessary?, To divert water from overflowing, To ensure only cold water goes into the water closet, To increase water pressure in flushometer valves, To avoid scalding, Piping carrying propane, butane and other gas which are heavier than air, shall be provided with ______., shut-off valve and swing-type check valve, safety valve, automatic shut-off devices, quick-closing valve, A joint used in some thermoplastic systems to connect the pipe to fittings or pipe lengths directly to one another., Brazed Joint, Heat-Fusion Joint, Welded Joint, Flared Joint, What is an important valve to install for the restriction of flow when the gas exceeds a prescribed flow rate?, manual reset valve, service shutoff valve, pressure relief valve, excess flow valve, What will be the possible effect if the outlet pipe of a septic tank is installed too low?, The septic tank will not be able to vent properly., Sludge can carry-over to the drainfield., Sludge will build up at the bottom of the tank., Drainfield will not be able to cater the effluent volume., DFU of Grease Interceptor, 3, 5, 4, 6, What is the corresponding internal diameter of a 20 mm PPR Pipe PN 20?, 19 mm, 13 mm, 20 mm, 10 mm, Pressure tank has pin holes. How do you repair the tank without stopping the operation?, eld the holes, cut a portion of GI then weld, enamel sealer, put epoxy, PVC has an approximate ultimate tensile strength of _____., 15000 psi, 8000 psi, 4000 psi, 13000 psi, The total area under the stress-strain curve of a mild steel specimen tested up to failure under tension is _____., Breaking strength, Toughness, Hardness, Stiffness, Which is an advantage of PPR over CPVC?, performance in outdoors, more suitable for drinking water, installation method, noise and vibration mitigation, An elevated water tank overflows only during heavy rainfall. What will be the appropriate design solution?, increase tank capacity, make tank cover and enclosure watertight, install check valve on the discharge pipe, replace overflow pipe and reroute to proper outlet, According to PGBC, the maximum flow rate of urinals is set at _____., 1.6 lpf, 1 lpf, 1 gpf, 1.6 lpm, The common pipe material used for gas piping in residential installations, Galvanized steel, PVC pipe, Copper pipe, Black steel, The water test shall be done with not less than _____., 34.5 kpa for at least 15 minutes, 10 ft head of water for at least 15 minutes, 344.5 kpa for at least 15 minutes, 3 ft head of water for at least 15 minutes, No excavation for leach line or leach bed shall extend within _____ of the water table., 3. 0 m, 1.5 m, 1.0 m, 1.2 m, Fire Extinguishing systems are required in the following places, except _____., In dance halls, theaters, and convention halls with an occupant load of 300 or more., In all dressing rooms, rehearsal rooms, workshops or factories, and other rooms with an occupant load of more than 10., In every storey, basement, or cellar with an area of 200 sqm or more used for habitation, recreation, dining, study, or work., In all rooms used for storage or handling of photographic x-ray nitrocellulose films and other inflammable articles., Vent terminals shall extend to the outer air and installed to preempt clogging and the __________ of foul air to the building., release, return, escape, discharge, Access and clearance for testing shall require minimum of 305 mm space between the _____., highest portion of the assembly and the grade, floor, or platform, lowest portion of the assembly and the grade, floor, or platform, lowest portion of the assembly and the invert of the water supply, highest portion of the assembly and the invert of the water supply, When you install an ejector pump, in what order is it installed?, Pump, Check Valve, Gate Valve, Check Valve, Pump, Gate Valve, Gate Valve, Pump, Check Valve, Pump, Gate Valve, Check Valve, A solar water heater delivers poorly heated water even on sunny days. Which is not a possible cause of this scenario?, lacking quantity of panels, improper orientation of panels, absence of electric or gas heater, incorrect tank sizing, Prohibited on new building sewers except for repairs and connections to existing lines constructed with such joints., Asbestos Cement Joint, Caulked Joints, Cement Mortar Joint, Wiped Joints, The minimum diameter allowed by the code for wet vent., 38 mm, 32 mm, 64 mm, 51 mm, Which is true about NPS of pipe materials?, Schedule 40 IPS has smaller inside diameter than Schedule 80 PVC, considering the same NPS., Inside diameter of Steel Pipe is smaller than PVC, considering same NPS., PVC and IPS with same NPS have same outer diameter., For NPS larger than 12", Outer diameter of PVC is larger than that of IPS., The inverts of all outlets shall be level and the invert of the inlet shall be at least ____ above the outlets., 104.6 mm, 25.4 mm, 101.6 mm, 50.8 mm

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