1) Who is responsible for investigating accidents on site? a) Employer b) Health and Safety Executive c) Health and Safety Commission d) Local Authority 2) How can segregation of a working area form the public be achieved? a) Barriers and signs b) Toe boards c) Wearing PPE d) Kick boards and handrails 3) Who is responsible for providing PPE on site? a) Employer b) Site foreman c) Main contractor d) Client 4) When would wooden access equipment be permitted for use? a) When they are over Sm long b) When they have not been painted c) When they have not been exposed to rain d) When erected to an angle of 45° 5) What is required for employers to comply with RIDDOR? a) To keep a daily accident log b) To report every accident in the workplace c) To report incidents of injuries below 7 days d) To report incidents of injuries above 7 days 6) What action must be taken when flux comes into contact with the skin? a) Apply barrier cream b) Wipe off with a cloth c) Rinse with clean water d) Clean skin with spirit-based solvent 7) What document states the correct installation and operation of a plumbing component? a) Manufacturer's brochure b) Merchants catalogue c) Manufacturer's Instructions d) Manufacturer's warranty 8) Under safe isolation, what additional controls are in place once a breaker has been locked off correctly? a) Warning tack identifying circuit is currently being worked on b) Customer should inform how to reinstate the supply c) Lives supplies notice should be displayed at the point of work d) Lock off key attached to point f isolation showing how to reinstate supply 9) How should a cold-water storage cistern be installed? a) On a fully supported uninsulated base to prevent condensation b) Without base support to allow access for service c) Directly on joists, fully insulated to prevent condensation d) Completely insulated to prevent warming 10) What fuse is required to protect a circuit with 4KW heater on a 230-volt supply? a) 5 amps b) 10 amps c) 13 amps d) 16 amps 11) Why are brass screws used to secure sanitary appliances? a) Malleability b) Corrosion resistance c) Visual appearance d) Compressive strength 12) What material is used to connect a pipe to a polythene cold water storage cistern? a) Metal washer b) Lead washer c) Jointing compound d) Plastic washer 13) What is the purpose of the item shown? a) To secure a brick faced surface b) To secure a solid concrete surface c) To secure a wooden surface d) To secure a plasterboard surface 14) Why are float operated valves fitted to toilet cisterns made of plastic and brass? a) Low water contents b) Low-cost installation c) High compressive strength d) High corrosion resistance 15) What term is used for increasing length that a material expands by per °C rise in temperature? a) Temperature expansion b) Linear stretch c) Coefficient of linear expansion d) Coefficient of stretch 16) What effect does a machine bend have on pipework? a) Makes it easier to apply pipework insulation b) Makes it easier to solder pipework c) Increase frictional resistance d) Reduces frictional resistance 17) The document providing guidance on limiting temperatures on a blending valve is? a) Document C Building Regulations b) Document G Building Regulations c) Document H Building Regulations d) Document J Building Regulations 18) What alloy is made from combining Copper and Zinc? a) Bronze b) Brass c) Steel d) Aluminium 19) During a summer shower, guttering is leaking, what is the cause? a) No allowance for linear expansion b) Clipping is less then 5000mm apart c) Excessive fall d) Insufficient fall 20) What is the most appropriate way of installing a 15mm external Bip Tap? a) Drill a 15mm hole from outside in b) Drill a 15mm hole form inside out c) Drill a pilot hole from inside out. The drill from outside in d) Remove a brick to pass pipe through the wall and then make good 21) What is used for solvent weld jointing techniques? a) PVC b) MDPE c) MPPE d) MPVA 22) At what temperature is water at its most dense? a) 4°C b) l0°C c) 0°C d) 100°C 23) What current affect gravity circulation of warm air? a) Conduction b) Convection c) Radiation d) Rectification 24) What electrical device has an integral test feature? a) Cartridge fuse b) MCB c) RCD d) RE- wiring fuse 25) What is the minimum size of earth bonding? a) 6mm b) 8mm c) 10mm d) 12mm 26) What are two common types of electrical circuits? a) Series and parallel b) Parallel and sequence c) Sequence and series d) Combined and separate 27) When does precipitation occur? a) When water vapour evaporates and falls as rain b) When water vapour condenses and falls as rain c) When water vapour recycles and falls as rain d) When water vapour dissolves and falls as rain 28) What colour is underground MOPE for cold water distribution? a) Red b) Blue c) G rey d) Yellow 29) What is the most appropriate test for plastic pipework on extensions? a) 10 bar 2 hours, then 2 bar for 10 minutes b) 2 bar for 10 minutes then 10 bar for 10 minutes c) Using existing cold main supply only d) There is no requirement for testing plastic pipe on extensions 30) What is the correct maintenance in a hospital for a bath or shower? a) Customer to have full control of bathing temperatures b) Water temperature must be limited to 43°C c) Water has a limited temperature of 38 °C d) Temperatures are limited to conserve energy 31) What is the name of the pipe section marked X? a) Communication pipe b) Distributing pipe c) Service pipe d) Guard pipe 32) What are the main considerations when assessing a cold water supply? a) Chlorine level and flow rate b) Calcium level and hardness c) Pressure and acidity level d) Pressure and flow rates 33) What back flow prevention is used to protect an external hose union Bip tap? a) Single check valve b) AUK1 c) Double check valve d) AUK" 34) What system complies with the system shown? a) Gravity pressure b) Pumped pressure c) Rainwater harvested d) Directly fed from the mains 35) What is the minimum size hot water supply pipe to a bath? a) 10mm b) 15mm c) 22mm d) 28mm 36) What has the most influence on the selection of a hot water system? a) Cost, location, height of building b) Occupancy type of building, available services c) Materials building made from, local labour, floor plan d) Owner preference, mains pressure, installation time 37) How does water low from a single point water heater? a) Replacement b) Displacement c) Stratification d) Hydrostatic 38) What document relates to hot water efficiency? a) Building Regulations A. b) Building Regulations B. c) Building Regulations H. d) Building Regulations L. 39) All radiators on a system work except a radiator in the en-suite. What is the cause? a) Failed heating pump b) TRV head not fitted c) Pipework is too small d) Lock shield valve is not open 40) What is the final action of any maintenance procedure? a) Final isolation of supply to test for safety b) Opening all outlets to check flow rates c) Disinfect the system drain down hand over to customer d) Turn on supplies test for correct operation hand over to customer e) What installation provides hot water to the whole dwelling? f) Localised 41) What installation provides hot water to the whole dwelling? a) Localised b) Optimised c) Centralised d) Point of use 42) What is the sequence to follow when replacing a hot water cylinder? a) Isolate water, replace cylinder, notify customer commission b) Notify customer, isolate water, replace cylinder commission. c) Isolate water, notify customer, replace cylinder, check flow rates d) Notify customer, isolate water, replace cylinder, check flow rates 43) What action is taken when permanently decommissioning a hot water installation? a) All dead legs must be removed b) All pipework must be treated with Chlorine c) All outlets capped at the appliance d) All pipework left in place in case of reconnection. 44) What legislation is required to have separate zoned heating areas in dwellings? a) Building Regulations part L b) Building Regulations part P c) Water regulations guide 45) What principle prevent the boiler firing unless there is a demand for heat? a) Manufacturer's catalogue b) Boiler cyclone c) Boiler antilock d) Boiler interlock e) Boiler anti- lock 46) What is the heating system indicated by the wiring diagram? a) S Plan Plus b) Y Plan c) S Plan d) W Plan 47) How is expansion of water accommodated for in a sealed system of central heating? a) Auto air vent b) Manual air vent c) Expansion vessel d) Composite valve 48) On a 3-port valve what pipework connects to the AB port? a) Boiler flow b) Boiler return c) Expansion vessel d) Temperature relief valve 49) When welding solvent welded pipe, what is the most important consideration? a) A well-ventilated area b) Barriers around the work area c) Additional lighting d) Hot work permit 50) Water is discoloured for a hot tap on an indirect system the water n the feed and expansion cistern has risen. What is the most likely cause? a) Split in the coil within the cylinder b) Water is suppled from a protected cistern c) Sacrificial anode has corroded d) Overheated immersion heater in the cylinder,. 51) What is the main consideration when calculating the size of radiators in a room a) Pipework material b) Emitter location c) Valve type d) Heat loss 52) What type of guttering is shown? a) Half round b) Deep well c) Square line d) Ogee 53) What can be determined by using factor 1,2,3 and 4? l. Rainfall intensity. 2. Size of roof. 3. Running outlets. 4. Gutter fall a) Type of material used b) How to connect the rainwater drain c) The shape of the guttering system d) Type and size of guttering system 54) Determine the correct order that components 1, 2, 3 and 4 are laid out in Figure 7? a) B, D,A,C b) B,C,A,D c) D,C,B,A d) A,B,C,D 55) What type of system is shown in Figure 8? a) Vented stack. b) Unvented stack. c) Branched stack. d) Stub stack. 56) Identify the component shown in Figure 9? a) Bottle Trap. b) Anti-vacuum bottle trap. c) Anti-vacuum running trap. d) Waterless trap. 57) What type of drainage system is shown in Figure 10? a) Septic tank installation. b) Combined system. c) Reed bed system. d) Conventional system. 58) How should condense drains from boilers be discharged to limit exposures to freezing? a) Externally 100mm above the floor to prevent scalding b) Externally back to the wall c) Internally to a suitable foul water discharge point d) Internally to an existing overflow outlet 59) There is poor pressure through a thermostatic shower how can this be resolved? a) Install single impeller pump to boost the cold-water supply b) Install single impeller pump to boost the hot water supply c) Install twin impeller to boost both hot and cold-water supplies d) Install a sump pump to boost both hot and cold-water supplies 60) What is the correct procedure for commissioning a cold-water system a) Visual inspection, flushing, disinfecting, soundness testing, final checks, handover b) Visual inspection soundness testing, disinfecting, flushing, performance test, final check and handover c) Soundness testing, visual inspection, performance testing, flushing, disinfecting, final checks, and handover d) Flushing, disinfecting, visual inspection, soundness testing, performance testing

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