1) What is the approximate height (H) that a ladder should project above a working platform for access purposes? a) 100mm b) 200mm c) 600mm d) 1,000mm 2) Which of the following types of PPE is essential when using drain rods to clear a blockage in an inspection chamber? a) ar defenders b) Knee pads c) Rubber gloves d) Dust mask 3) Who is responsible for carrying out written risk assessments? a) You b) Your employer c) The client d) The HSE 4) Electric power tools on construction sites should be PAT tested, as a minimum, every a) month b) 2 months c) 3 months d) 6 months 5) When a ladder provides access to a working platform, how much of the ladder must extend above the landing place? a) 3 rungs b) 4 rungs c) 5 rungs d) 6 rungs 6) When using a propane blow torch for soldering copper pipe components together, you should: a) always have a fire extinguisher available b) never use it if only working with dissimilar metals c) always wear a dust mask d) never solder when working alone 7) Under COSHH, propane gas is regarded as: a) an irritant b) harmful c) extremely flammable d) toxic 8) When picking up an object, you should: a) bend your arms b) bend your back c) wear a back brace d) bend your knees 9) Why should a serious accident be reported? a) It helps the site find out what caused it b) It is a legal requirement c) So that the site manager can see who is to blame d) So that the company will be held responsible 10) The initials RIDDOR stand for a) Reporting of Incidents, Diseases, Deaths and Occurrences Regulations b) Records of Incidents, Deaths and Dangerous Occurrences Regulations c) Reporting of Injuries, Diseases and Dangerous Occurrences Regulations d) Reportable Incidents of Deaths, Diseases and Occurrences Regulations 11) A mirror screw type fixing is most likely to be used in which of the circumstances? a) Securing bath panels b) Fixing soil pipework c) Fixing we pans d) Securing pipe clips 12) When a materials order is delivered to the site, your first action should be to: a) inform the building control officer about the arrival of materials b) open the order and begin working with the new components c) inform the quantity surveyor and ask for instructions d) check the contents of the order against the delivery note 13) Which is the correct horizontal clipping interval for 15mm copper tube? a) 1.2m b) 1.5m c) 1.8m d) 2.0m 14) Which one of the following types of screw is shown in the image? a) Phillips b) Pozidriv c) Slotted d) Mirror 15) Which grade of copper is used for microbore central heating pipework? a) R220 b) R250 c) R290 d) R300 16) Which type of fitting would most likely be used to join polybutylene pipes? a) Soldered b) Threaded c) Solvent weld d) Push fit 17) What type of fitting is shown below? a) Compression coupler b) Solder ring coupler c) Threaded coupler d) Push-fit coupler 18) Polyethylene underground cold-water service pipework is color-coded: a) yellow b) black c) blue d) green 19) Which of the following materials expands the most? a) Copper b) Steel c) Brass d) PVC plastic 20) What is the correct calculation to determine the volume of a cylinder? a) 3.14 x radius2 x height b) 3. 14 x diameter x height c) Diameter x height x (3. 14)2 d) 3.14 x diameter2 21) An electrical immersion heater is required to provide 36,000 kJ of heat energy to heat a cylinder. What is the power of the immersion heater if it raises the temperature of the water to its design temperature within one hour? a) 10 watts b) 10Kw c) 100 watts d) 100kW 22) What is the SI unit for force? a) Pascal b) Newton c) Joule d) Bar 23) How can pressure be defined? a) Force divided by area b) Area divided by force c) Force multiplied by area d) Volume multiplied by force 24) A system of pipework has a static head of 11.6m. What is the pressure acting upon the lowest part of the system? a) 1 1.6 bar b) 11.6 pascals c) 116,000 pascals d) 10.6 bar 25) Which example of pipe installation would result in the best flow rate? a) 3m of 22mm pipework with five elbows b) 3m of 15mm pipework with five elbows c) 3m of 22mm pipework with five pulled bends d) 3m of 15mm pipework with five pulled bends 26) What charge does a proton carry? a) Positive charge b) Negative charge c) Alternating positive to negative charge d) Neutral charge 27) How is current correctly defined? a) The number of electrons flowing per second b) The number of neutrons flowing per second c) The difference in electron concentration d) The potential difference within a circuit 28) To determine the current within a circuit, which calculation is used? a) Watts/Volts b) Watts/Ohms c) Volts/Watts d) Ohms/Volts 29) If a hand basin has submerged taps, which one of the following backflow prevention devices does the Water Regulations say must be installed? a) Overflow b) Single check valve c) Double check valve d) AUK 3 air gap 30) Which one of the following connections to the CWSC must be screened? a) Cold supply pipe b) Cold feed pipe c) Warning pipe d) Cold distribution pipe 31) According to the Water Regulations, where must a drain-off valve be placed? a) At every high point in the system b) At every high-pressure point in the system c) At every low point in the system d) At every low-pressure point in the system 32) WRAS-approved fittings must be used because: a) they are a legal requirement and avoid contamination b) they are cheap and can be fitted easily c) they come with a longer warranty than other fittings d) their quality is not as good, but they will work 33) When trying to turn off a stop valve on the incoming mains, you find the valve is jammed. What is a cost-effective way of overcoming this situation? a) Spraying with oil and trying again in a couple of days b) Turn off at the water undertaker's valve and replace the whole valve c) Cut the section of pipework out with the valve attached and replace d) Replace the head gear of the valve only 34) Which can affect the pressure and flow rates of the incoming main to a property? a) Peak demand periods b) The size of the CWSC in the loft c) The square metre floor area of the property d) How close the water meter is to the property 35) In a property, what must happen to all open-ended pipework if you leave the site? a) Labelled and taped b) Appliances must be fitted c) Left alone d) Capped off with push fit 36) What would this item be used to test? a) Pressure b) Category of water c) Flow rate d) pH value 37) If a hot water appliance had a fault, where would you look for guidance? a) BSEN806 b) The Water Supply (Water Fittings) Regulations c) The manufacturer's instructions d) Building Regulations Part L 38) Which Building Regulation states that one of these valves must be fitted before the outlet on any new bath fitted? a) Part H b) Part L c) Part G d) Part P 39) Identify this item. a) Full way gate valve b) Drain off valve c) Part 2 float operated valve d) Stop valve 40) Which system can this appliance be connected to? a) Low pressure system fed from a cold-water storage cistern b) Thermal store heater c) Single point water heater d) Unvented hot water system 41) What type of hot water system is shown in this diagram? a) Low pressure gravity system b) Thermal store hot water system c) Unvented hot water system d) Primatic hot water system 42) What is this item called? a) Expansion vessel b) Tundish c) Strainer d) Pressure reducing valve 43) Which of the following is not a statutory source of information? a) Building Regulations Part L b) The Water Supply (Water Fittings) Regulations c) BSEN806 d) Approved Document Part G 44) Which British Standard is used alongside BSEN806 and covers the design, installation, testing, and maintenance of servicing supplies for domestic use? a) BS8558 b) BS8000 c) BS12056 d) BS 1212 45) Hot water circulates to each radiator by gravity in which of the following systems? a) One-pipe system b) Fully pumped system c) Microbore system d) Two-pipe reverse system 46) A zone valve in an S plan central heating system is designed to: a) allow the central heating system never to reach 100°c b) stop the circulator noise from entering the central heating system c) isolate the central heating circuit when there is no demand d) prevent the flow and return waters from mixing 47) Boilers with a SEBUK A rating are required to have a minimum operating efficiency of: a) 82% b) 90% c) 92% d) 100% 48) When installing a central heating system using polybutylene pipe, the most common jointing method used is: a) compression type A fittings b) solvent-welded fittings c) end-feed solder fittings d) push-fit fittings 49) Which Building Regulation covers the energy efficiency requirements for central heating systems? a) L 1 b) p c) H d) G 50) One advantage of installing a fully pumped central heating system is: a) it is cheap to install b) it allows each room to be heated to a regulated temperature c) it controls the heat recovery time economically d) there is no danger of overheating 51) The type of copper commonly used in the installation of central heating systems within domestic properties is: a) R290 hard b) R250 half hard c) R220 half hard d) R290 soft coils 52) In which of the following situations is it important to insulate central heating pipework? a) Bathroom and north-facing kitchen b) From the boiler to the index radiator c) The loft area and under the suspended timber floor downstairs d) Any run of pipework more than 3m in length, as per BS 12828 53) Before starting work replacing a bathroom suite in an occupied dwelling, a plumber should first: a) protect the surrounding work area b) check the water pressure c) report the work to the local water company d) arrange an inspection for completed work 54) What type of WC pan is shown in Figure 3? a) Double-trap wash-down pan b) Single-trap siphonic pan c) Single-trap wash-down pan d) Double-trap siphonic pan 55) Under the Water Regulations, what are the maximum flushing volumes for a dual-flush WC flushing cistern? a) 9 litre long flush and 8 litre short flush b) 7.5 litre long flush and 6 litre short flush c) 9 litre long flush and 3 litre short flush d) 6 litre long flush and 4 litre short flush 56) In Figure 4, below, what is the distance marked X which needs to be maintained between the proposed branch pipes in order to avoid crossflow of effluent from one discharge pipe into another? a) 200mm b) 300mm c) 100mm d) 150mm 57) What is the name of the component shown in Figure 5? a) Backflow arrester b) Air admittance valve c) Self-healing waste valve d) 110mm cap end 58) When a soil stack vent pipe outlet is situated within 3m of an opening into a building, the vent pipe must terminate at least: a) 900mm above the highest point of the opening b) 900mm above the midpoint point of the opening c) 900mm below the lowest point of the opening d) 900mm below the midpoint of the opening 59) What is the maximum distance between the floor level on which a WC has been sited and the invert of the drain in a stub stack system? a) 1,000mm b) 1,300mm c) 1, 600mm d) 1, 900mm 60) The sanitary pipework system shown in Figure 6 is known as a: a) stub stack system b) primary ventilated stack system c) secondary ventilated stack system d) ventilated branch discharge stack system

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