Which of the following listed fitting do not have the similar function?, Plug, Blind Flange, Blank Flange, Cap, Where does the soldering of a rigid copper tubing joint require the torch heat to be placed?, fitting, flux, solder, pipe, Which of the following is not true about PEX?, PEX shall not be installed within the first 18 inches of piping connected to a water heater., PEX tubing is engineered using crosslinking to withstand hot water exposure., The addition of aluminum core in PEX will make the pipe more resistant to rupture., The joints allowed for PEX are mechanical joints and heat fusion, How many bolt holes are there in a Class 150 pipe flange that is 100 mm in diameter?, 20, 12, 8, 4, In a medium-sized food establishment with a seating capacity of 15 persons, what is the recommended combination of plumbing fixtures?, Kitchen sink, dishwasher, grease interceptor, Kitchen sink, slop sink, grease interceptor, Kitchen sink, dishwasher, grease trap, Kitchen sink, bar sink, drinking fountain, 5 standpipes deliver a total of 250 gpm flow rate. What is the total residual pressure at the outlets if each standpipe has 1 outlet?, 883 kpa, 981 kpa, 1324 kpa, 1226 kpa, Which of the following processes is used to remove dissolved gases, such as oxygen and carbon dioxide, from liquids in order to prevent corrosion and improve process efficiency?, Ozonation, Filtration, Deaeration, Aeration, In what instances that a mechanical drainage will be used?, Building is provided with basements and subbasements, The volume of sewage is excessive, Pump or ejectors are readily available, Drainage cannot be affected by gravity, Identify item D, Vent Pipe, Vent Return Line, Vacuum Cleaning, Vacuum Outlet, This is used as a source of heat when melting lead and heating the soldering copper for pipe jointing., Fire extinguisher, Soldering gun, Blow torch, Propane torch, In a high-rise building with a pressurized gas line, where do you need to boost the pressure for the gas supply?, uppermost floor, outside, mid-level, lowest floor, A 15-meter pipeline installation is made up of 3-m long pipes. How many 3-m long pipes and fittings are installed?, 6 pipes, 6 fittings, 6 pipes, 5 fittings, 5 pipes, 5 fittings, 5 pipes, 4 fittings, In the illustration, how many PPR pipes are needed for the pipe risers only?, 2 pieces, 4 pieces, 5 pieces, 3 pieces, Which is not true about solar water heating system?, An open-loop system has water being recirculated directly from the hot water cylinder to the solar collector, The solar collectors and the storage cylinder must be kept close as short as possible, Propylene glycol is used as a heat-transfer fluid for closed-loop system as it heats water in the tank, An open-loop system is suitable for areas prone to freezing, If there is a problem with spa jet to make the warm water ideal for the user, which is the most appropriate troubleshooting procedure?, Use a hydro jet pump, Increasing the capacity of the pump, Adding another pump, Setting the air intake to more appropriate setting, In cutting a copper pipe tubing or other thin-walled pipe materials, what is an important consideration?, To use hacksaw for an even cutting, To apply even pressure and rotate the pipe, To use a blade with low TPI, To apply maximum force in one rotation, What is a cutter that provides true tracking and cleaner cuts, designed for use with power drives?, hinged pipe cutters, 4-wheel pipe cutters, wide-roll pipe cutter, heavy-duty pipe cutters, A type of pipe reamer used to remove the internal and external burrs of a pipe, usually applicable on plastic and other thin-walled pipe or tubing., Combination pipe reamer, Pipe tap, Spiral ratchet pipe reamer, Pipe reamer, To remove the water from the surrounding soil around the foundation walls, which should be installed?, area drain, subsoil drain, building subdrain, sump pit, Identify Plumbing Fixture R., Water Closet (Integral Type), Water Closet (Flush Valve, Floor Outlet), Water Closet (Tank-Type), Water Closet (Flush Valve, Wall-Hung), A specialty plumbing tool with a rotating, self-adjusting gripping head and long handle. It is used to tighten and remove the mounting nuts of faucet tailpieces., raprench, strap wrench, basin wrench, chain tong, Identify this symbol., Pipe sleeve, Welded Plug, Welded Cap, Screwed Joint, A tank that is used so that the pneumatic tank or other pump sucks the water from this tank and not the public main, so that it will not deprive the neighbors of water due to pressure., Suction Tank, Air Tank, Compressor Tank, Plunger Tank, The rule of thumb for tightening pipe threads and compression fitting is hand-tightened plus _____ turn/s with wrench., 1, 2 to 3, 1 to 2, 1/2, Why is bronze material typically used in screwed bonnet for valves?, Bronze has pressure-tight sealing properties, Bronze has superior resistance to expansion and contraction, Bronze is rigid against internal pressure and distortion, Bronze is ductile and corrosion-resistant, Identify this symbol., Socket weld Plug, Socket weld Tee, Butt weld Concentric Tee, Butt weld Tee reducing, What is the most probable cause of slow flushing of the water closet?, defective flush valve seat, lack of water in the tank, small trapway diameter, leak at the base of water closet, Identify “A” in the figure, Fixture vent, Vent pipe, Individual vent, Dry vent, The allowable number of pipes to be transported by a truck shall depend on the _____., number of pipe layers, allowable load capacity of truck, pipe material, length of the pipes, Identify J, Cantilever bracket, Universal I-beam clamp, Universal channel clamp, C-type clamp with retaining strap, Reciprocating saw blades are selected based on the type of material being cut, length, and?, weight, teeth per inch, manufacturer, thickness, A horizontal drainpipe has an existing load of 30 fixture units. After adding a new discharge pipe from an ejector rated at 60 gpm, the total load on the horizontal drainpipe will be how many FU?, 90, 120, 150, 130, A heavy sprocket chain that is slipped around a pipe, then attached to wrench handled and used on piping work especially large size pipe metal pipes and in areas that is not easily accessible, adjustable spud wrench, offset chain wrench, compound chain wrench, chain wrench, Letter D indicates _____., Re-use water distribution pipeline, Hot water line for fixture, Cold water distribution pipeline, Cold water line for fixture, One of the first steps in the selection of a suitable water supply source., Potability, Depth of Source, Topography, Cost, Is a valve installed on water service to turn on or off the flow of potable water in the building, Stop Cock, Stop box, Corporation Cock, Curb Cock, Which of the following is not a green building initiative?, faucet aerators, swimming pool covers, high efficient clotheswashers, high flush toilets, What would you inspect 2 days after clearing clog from sink if it is still draining slowly?, Sink strainer, Tailpiece, Vent, Sink overflow, What would be the probable cause of a water closet leak of the floor connection?, seating seal is not holding against the heavy discharge pressure of each flush, rubber flush ball is not seating properly, condensation of atmospheric moisture on the tank's outer surface, loosening of bolt washers, A pump capable of generating 125 feet of head of gasoline would provide a pressure of _____., 40 psig, 45.8 psig, 55.3 psig, 37.8 psig, A concrete restraint utilized to prevent pipe joints from separating under the force carried fluids., thrust block, pipe clamp, pipe saddle, concrete saddle, Minimum diameter of a building sewer, 4”, 8”, 5”, 6”, A handheld shower hose that could be submerged in bath water must _____., never have a backflow prevention device installed, be no longer than 36”, always be at least 5’ in length, always have a backflow prevention device installed, The principal function of expansion tank in a hot water system., Lets thermal expansion of water to maintain working pressure, Provides necessary space for the air required in the system, Takes off small amounts of water inside the boiler as a way of eliminating impurities, Provide air cushion in the system to prevent overflowing, What is the minimum size of a fire hose outlet of an interior wet standpipe?, 38 mm, 50 mm, 32 mm, 41 mm, What tool do you use on sewer and drain lines through 8" in diameter and up to 100 ft in length?, auger, flat sewer tape, plumber's snake, plumber's rod, An interceptor must have a clearance above it that is _____., greater than the height of the internal removable baffle, twice the size of the inlet opening, twice the largest dimension of the removable access panel, at least 500 mm above the interceptor, A double jaw gives fast, ratchetlike action in either direction., Tool C, Tool D, Tool A, Tool B, What is the kind of hammer usually used and most suitable for a pipe fitter?, Framing hammer, Claw Hammer, Cross-pein hammer, Ball Peen hammer, How many gallons of paint are required to paint a tank with dimensions of of 2.4m x 2.4m x 4.8m, if it were to be painted outside and inside in 3 coats? 1 gallon can paint 40 sqm., 10 gal, 9 gal, 12 gal, 11 gal, In a company, who is in-charge as infection control officer?, pollution control officer, utility manager, supervisor, master plumber, Which is true regarding the plumbing installation in the elevator shaft?, Water supply pipes along the elevator shaft shall be labeled., Sprinklers are required in the top of shaft whether the hoistway is combustible or non-combustible., Drainage systems inside the shaft strictly should be in plastic material., Plumbing systems shall not be located in an elevator shaft., Calculate the total WSFU, if WC= 5 and Lavatory = 2, 10 wsfu, 12 wsfu, 14 wsfu, 7 wsfu, Surfaces to be joined by soldering or brazed shall be cleaned bright by _____., sulfuric acid, self-cleaning flux, mechanical or manual means, corrosive flux, Which of the following is an applicable requirement for a vent installation?, The size of vent piping shall be determined from its length and total number of fixture units connected, A minimum of 12 inches must be observed between the vent offset and the highest part of the fixture, The size of the vent must be at least the size of the drain served or larger, The vent must have a slope of at least 1/8 in per foot, How much thread must you extend beyond the die stock to completely thread the pipe's end?, 1/2 inch, 5/8 inch, 1/8 inch, 1/4 inch, Minimum thickness of vent connector shall be at least _____., 0.304 mm, 0.600 mm, 0.500 mm, 0.345 mm, To boost the water pressure of hot water, use _____, elevated water tank, gravity tank, hydroelectric tank, circulating pump, Which is not true about copper joints?, joints using swaging tool require heating, swaging tool is used for flared joints, it is important to deburr the pipe before using swaging and flaring tools, flared joints are reliable for both water and gas piping, The center of a drain that serves a 12” rough toilet installed along a wall with 1⁄2” drywall ____., is roughed in at 12 1⁄2” from the wall stud, is rare and only used in a commercial project, does not comply with the contemporary installation standards, is roughed in at 12” from the wall stud, You are required to have a pipeline installation with 135 degrees bend for a change of direction. However, you only have 1/8 bend fittings. How many 1/8 bend fittings are to be used?, 3, 1, 4, 2, Identify the symbol, Recessed Wall-type urinal, Stall-type urinal, Wall-type drinking fountain, Recessed-type drinking fountain, A drain connecting the compartments of a set of fixtures to a trap or connecting other permitted fixtures to a common trap., Continuous waste, Group branch, Combination Waste and Vent System, Branch interval, For ordinary hazards, what is the maximum spacing between sprinklers?, 4.8 m, 2.4 m, 3.7 m, 4.6 m, The estimated gray water flows of each occupant per day, 60 gallons, 25 gallons, 33 gallons, 40 gallons, Installation of water service must be direct and in short manner. Possible turns or offset elbows should be avoided because the element will incur _____., water hammer, backflow, cross connection, friction losses, How many 3-m PVC pipe do you need to buy for the DWV system? Allow 10% allowance., 4, 5, 6, 3, The operating nut in a valve is not turning in either direction. Which of the following is not a probable cause of this problem?, Uneven tightening of screws and bolts, Debris has built up within the body, Excessive pressure holds down the nut, Lack of operation, In the illustration, how many air chambers are installed, 8, 12, 10, 11, What is a valve which regulates water pressure from the water main?, Pressure Suction Valve, Pump Suction Valve, Pressure Sustaining Valve, Pressure Separating Valve, Tighten the fitting by using two _____, Wrenches, Fittings, Valves, Hands, What is the main use of chain wrench?, to turn nuts & bolts, to turn or hold copper pipes, to turn or hold steel pipes, to turn screws, A sudden valve closure in one branch of a pipeline system has inflicted water hammer in other branches as well. What is the explanation for this phenomenon?, air pockets, flow velocity, pipe elasticity, fluid compressibility, The discharge piping serving a pressure relief valve, temperature relief valve, or combination valve shall terminate not more than _____ above the floor or waste receptor flood level rim., 12", 8", 6", 10", How many turns does it take to operate an 8" double-disk valve?, 30, 28, 29, 27, It produces small current when heated. It also acts as a safety component of the burner., spark igniter, pilot light, thermocouple, thermopile, For a leaking concrete water tank due to crack, which of the following repair material is most suitable and economical to seal the crack without disrupting the water supply of the building?, concrete grout, water plug, concrete mortar, concrete epoxy adhesive, For globe valves which has leak at the stem and packing nut, the best thing to do is ____., reassemble the valve, set in the new packing, disassemble the valve from the wheel handle to the body, replace the packing nut and wheel handle, A lamination of brown (kraft) paper, fiberglass cloth (skrim) and a metallic film. A vapor barrier is also included. It is most often used to cover fiber-glass insulation., Aluminum Jacket, All-Special Jacket, All-Service Jacket, Stainless Steel Jacket, _____ comes in coils of 60 or 100 feet. Types of K and L can be used above and below ground. Both types have the advantage of bending tool for installation., Flexible Copper Tubing, Galvanized Steel Pipe, Rigid Copper Tubing, Flexible Plastic Pipe, Which of the following is considered the most environmentally friendly and sustainable for reducing energy consumption in providing hot water?, solar water heater, proper sunlight, tankless water heater, geothermal heating system, A branch serves 6 stacks connected via a tee. Each stack terminates to a lavatory requiring 1 p-trap, and waste arm. Find the total number of fixtures and fittings., 24, 30, 42, 36, To minimize the threat of polluting a well, the casing is _____., Only installed when the well is near a road, Grouted, Kept to a shallow depth, Not installed, This component can ensure water-tight seal between the urinal and flush valve., putty, silicone caulk, teflon tape, spud gasket, A backflow caused by a negative pressure (i.e., a vacuum or partial vacuum) in a public water system or consumer’s potable water system. The effect is similar to drinking water through a straw., Suction, Backflow, Backsiphonage, Free flow, What would you recommend if during the detail design stage, you have observed that plumbing and fire protection plans have overlapping routes?, Proceed with the plumbing design as planned, Request a coordination meeting with other professionals involved, Recommend field adaptation procedures during construction, Approve the plan as minor structural adjustment is allowed, The vent pipe in plumbing that serves the building drain and building sewer., Yoke Vent, VSTR, Relief Vent, SVTR, Single lever valves in the kitchen sink and lavatory work by the principle of _____., globe valve, gate valve, angle valve, ball valve, Identify “A” in the figure, Stack vent, Main Soil and Waste Vent, Stack Vent Through Roof, Main Vent, Plumbing pipe color coded in aqua-blue stripe or band is identified as what pipe?, gas pipe, raw water pipe, air pipe, potable water pipe, A type of shovel used for general digging. Penetrates moist clays and sands., trenching shovel, square pointed shovel, spade, round pointed shovel, The 40mm dia. pipe is used for what purpose?, branch, supply line, drain pipe, distribution line, Identify Letter G., D-Handled Square Point, Trenching Shovel, Edging Shovel, Scoop Shovel, Identify tool E, Pipe Extractor, Swaging Tool, Pipe Reamer, Pipe Taps, How do you join medical gas piping?, flared joints, threaded joints, silver brazes, wiped joints, Best pipe for corrosion resistance, copper, cast iron, galvanized steel, stainless steel, A cylindrical tank which is a connection point by which fire fighters can tap into a water supply., fire hydrant, fire sprinkler, water tank, standpipe, If a grease interceptor is found inside a kitchen, what shall be done?, As long as the fixture drains to an indirect waste pipe before the grease interceptor, the location of grease interceptor need not to be changed., Place a flow control and vent before the grease interceptor., No adjustment will be done, as the grease interceptor functions properly regardless of the location., Recommend relocating it outside to avoid sanitation issues and make maintenance easier., These rainwater pipe shapes may be used and are considered when enclosing an inscribed circle equivalent to the drain leader diameter, except _____., round, square, semi-circular, rectangle, It has un-serrated jaws, used to turn fittings of minimum strength, such as copper and brass valve and drain trap fitting or sinks and lavatories., Monkey Wrench, Locking Pliers, Torque Wrench, Adjustable Spud Wrench

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