What is required from employers’ to comply with RIDDOR?, To keep a monthly accident log., To report every incident in the workplace., To report incidents of injuries below seven days absence., To report incidents of injuries above seven days absence., Why are Float Operated Valves fitted to toilet cisterns constructed from plastic and brass?, Low water contents., Cheap., High compressive strength., High corrosion resistance., Who is responsible for providing adequate PPE on site?, Employer., Clerk of works., Architect., Employee., What action must be taken when flux comes into contact with the skin?, Apply barrier cream., Nothing, it is harmless., Rinse with clean water., Clean skin with spirit based solvents., What is the name of this component ?, Soil pipe clip clip, Munsen clip, School board clip, Waste pipe clip, Who is responsible for investigating accidents on site?, Employer., Health and Safety Executive., Site manager., Local authority., What current effects gravity circulation of warm air?, Conduction., Convection., Radiation., Rectification., At what temperature is water at it’s most dense?, 4 °C, 10 °C, 0 °C, 100 °C, What colour is Underground MDPE for coldwater distribution?, Red., Blue., Grey., Yellow., What are the main considerations when assessing the suitability of a distributed cold water supply to a combi boiler for example?, The chlorine level and flow rate., The calcium level and hardness., The pressure and acidity level., The pressure and flow rate., The build-up of limescale in a hot water system could be noticed by:, The hot water temperature being hotter, The hot water temperature being cooler, The hot water flow rate increasing, The hot water recovery time decreasing., Which float operated valve no longer complies with water regulations ?, Part 1 ball valve, Part 2 ball valve, Part 3 ball valve, Part 4 ball valve, What back-flow prevention method is used to protect an external hose union bib tap?, Single check valve., AUK1 air gap., Double check valve., AUK2 air gap., What enables solder to be drawn into a copper fitting during the soldering process?, Gravity attraction., Oxidisation. , Capillary attraction., Dezincification., What component is this?, DHWC, CWSC, TRV, PRV, What substance can lead to the development of Mesothelioma?, Asbestos., Flux., Lead., LPG., What is an advantage of an indirect cold water system?, Less risk of backflow., Less pipework., Smaller pipe sizes., Cheaper to install., Why must the amount of MDPE pipework on show be limited?, It will decompose when exposed to ultraviolet light present in daylight., It is less ductile than other materials., It will become toxic when exposed to ultraviolet light present in daylight., It is less malleable than other materials, To ensure adequate hot water supplies are achieved on an indirect system, what should be the minimum pipe size supplying a bath outlet?, 10 mm, 15 mm, 22 mm, 28 mm, What is the most appropriate sequence to follow when replacing a hot water cylinder?, Isolate water, replace cylinder, notify customer, commission., Notify customer, isolate water, replace cylinder, commission., Isolate water, notify customer, replace cylinder, check flow rates., Notify customer, isolate water, replace cylinder, check flow rates., What is the maximum depth a water main service pipe should be laid at?, 750mm, 1250mm, 1,350mm, 1,750mm, Fluid category 1 represents:, a serious health risk, a significant health risk, a slight health risk, no health risk., What component is this?, Gate valve., Stop valve., Drain off valve., Lever valve., Which one of the following water pipes connects the local main to the water undertaker’s stop valve?, The distribution pipe, The communication pipe, The feed pipe, The service pipe, According to the Water Regulations, where must a drain-off valve be placed?, At every high point in the system, At every high pressure point in the system, At every low point in the system, At every low pressure point in the system, Which one of the following can affect the pressure and flow rates of the incoming main to a property?, Peak demand periods, The size of the CWSC in the loft, The square metre floor area of the property, How close the water meter is to the property, What is the name of this component ?, Direct cylinder, Primatic cylinder, Indirect cylinder, Combination cylinder, How much does water expand by when the temperature is increased to 60 °C?, 4%, 1600%, 8%, 10%, Fluid category 5 represents:, a serious health risk, a significant health risk, a slight health risk, no health risk, A firm which is run by the business owner is called:, Partnership, Self employed, Public Limited Company, Private Limited Company, Which role is responsible for getting quotes from all the suppliers for materials?, Site Manager, Buyer, Estimator, Architect, Which industry body is in charge of ensuring that water supplied to homes is clean and safe to drink?, Water Regulations, Local authority, Plumber, Water authority, The maximum number of hours that can be worked in a week is?, 37.5 hours, 40 hours, 42.5 hours, 48 hours, What is the name of this type of sign?, Safe condition, Mandatory, Prohibition, Warning, Which material is likely to contain asbestos?, Laminate flooring, Plastic guttering, Old boiler gaskets, Engineering blocks, If you encounter a material you think is potentially asbestos, what should you do?, Break the material up to see if it is fibrous, Stop what you are doing, call 999, Stop what you are doing, inform your supervisor, Carry on until the material is proven to be asbestos, What three actions should be taken if you discover a fire?, Get out, call 999, help emergency services, Don't panic, find the nearest fire extinguisher, raise the alarm, Raise the alarm, call 999, evacuate the building, Open a window, raise the alarm, call 999, The three elements that must be present for a fire is?, Heat, fuel, ignition, Heat, fuel, carbon dioxide, Heat, fuel, oxygen, Ignition, fuel, oxygen, What type of category is a metal fire?, A, B, C, D, What two methods are a good way of conserving water?, Low volume WC flush, Promoting user awareness, Bottled water, Bathing less frequently, Heat pumps work on the principal that heat is provided?, By the sun, From wood, From the ground or air, From wind or waves, Which one of the following shows energy conservation?, Sourcing materials locally and using renewable sources, Using renewable resources and lighter materials, Building gas fired power stations and reducing material costs, Transporting materials by road and reducing transport costs, What is legally required in order that a company vehicle may carry waste?, COSHH Licence, Waste carrier's Licence, WEEE Licence, Site Waste Management Plans Licence, A site plan shows what?, How a system works, Shows the location of the site, Shows the position of rooms, position of equipment and appliances, Shows the sequence of work from start to finish, Which Building Regulation covers the notching and drilling of joists?, A, B, C, D, What is the recommended clip spacing for gutter fascia clips?, 0.5m, 1.0m, 1.2m, 0.9m, What is the correct size of waste pipe for a bath?, 15mm, 22mm, 32mm, 40mm, What should be the correct gradient fall when installing guttering?, 1:200, 1:800, 1:600, 1:1000, What is the correct size of waste pipe for a washbasin?, 15mm, 22mm, 32mm, 40mm, What are the three different methods of joining plastic waste pipe?, solder, compression, push-fit, push-fit, solvent weld, compression, press-fit, push-fit, compression, compression, screwed, push-fit, 40mm diameter vertical waste pipe should have a maximum clipping distance of:, 1m, 1.2m, 1.5m, 1.8m, Name the two main types of gases used for blowtorches?, Propane, butane, Propane, Nitrogen, Mapp, butane, Mapp, propane, What are the four methods of joining copper pipe?, Compression, Soldered, Push-fit, Screwed, Solvent weld, Press-fit, What size pipe diameter should supply cold water to a kitchen sink in a direct cold water system?, 15mm, 22mm, 32mm, 40mm, What is the correct horizontal clip spacing for 15mm copper pipe?, 0.8m, 1.0m, 1.2m, 1.8m, What is the correct vertical clip spacing for 22mm copper pipe?, 1.2m, 1.5m, 1.8m, 2.4m, Identify this clip:, Hinged pipe clip, Nail in clip, Snap in clip, Saddle clip, Identify this tool:, Tube cutter , Pipe cutter, Pipe slice , Adjustable tube cutter, Identify this tool:, Hydraulic pipe bender, Scissor pipe bender, Pipe bending spring, Hydraulic scissor bender, Identify this tool:, Scissor lift, Mobile elevated work platform, Scaffolding, Genie lift, What is the correct horizontal clip spacing for 15mm plastic pipe?, 300mm, 500mm, 800mm, 1200mm, What is the correct vertical clip spacing for 22mm plastic pipe?, 300mm, 500mm, 800mm, 1200mm, What are the two methods of joining LCS pipe?, Screwed, Compression, Press-fit, Push-fit, Medium grade LCS pipe is colour coded:, Yellow, Red, Blue, Brown, Name three sources of water?, Reservoir, River, Well, Spring, Ocean, Iceberg, In an indirect cold water system:, The toilet is mains fed, The kitchen sink is mains fed, The hot water cylinder is mains fed, The washbasin is mains fed, There is no mains fed water to any appliance, There is no low pressure water fed to any appliance, In a direct cold water system, the CWSC is located:, In the loft space, In the garage, Externally to the building, Nowhere, not needed, Which service valve would best suit a low pressure system?, , , , , Which two service valves are best suited to a high pressure system?, , , , , Water heated to 100 degrees celcius expands by what amount?, 10 times, 100 times, 4 times, 1600 times, What happens to water at 0 degrees celcius?, Shrinks by 10%, Expands by 10%, Shrinks by 4%, Expands by 4%, Acidic water is most likely to have a pH of:, 7, 8, 6, 12, The temperature of water inside a hot water cylinder is usually set at?, 55, 60, 65, 70, Water that if heated and leaves limescale deposit build up is called?, Hard water, Soft water, Temporary hard water, Wholesome water, Name this component?, Lockshield valve, TRV, Bleed valve, Wheel-head valve, Name this component?, Tundish, Non-return valve, Magnetic filter, Shock arrestor, Name this component?, End feed coupler, Solder ring coupler, Compression coupler, Union, Name this component?, Stop tap, Bib tap, Pillar tap, Bath tap, Covert 2.3 metres into mm, 230mm, 23mm, 23000mm, 2300mm, Convert 160cm into mm?, 16mm, 1600mm, 160mm, 16000mm, What material is this drill bit suitable for?, Metal, Wood, Tile, Brick, What material is this drill bit suitable for?, Tile, Brick, Wood, Metal, What voltage would you expect to find in a neutral wire?, 240V, 110V, 230V, 0V, A cut clasp nail would normally be used for fixing:, Plasterboard, Floorboards, Guttering, Washbasins, Name this component:, Shoe, Rainwater shoe, Union, Running outlet, Which is the safest voltage on a building site?, 110V, 18V, 240V, 55V, What is the correct fall for waste pipe?, 1-17mm per metre, 18-90mm per metre, 91-110mm per metre, 1:600, Identify this tool:, Core drill, Combi drill, Impact driver, Percussion drill, What material is this drill bit suitable for?, Metal, Wood, Tile, Plastic, Brass screws are best suited to use on:, Securing plasterboard, Outdoor fixings, Wooden floorboards, Brick walls, Name this component:, LCS coupler, LCS joint, LCS socket, LCS union, Incorrectly supported pipework can cause what?, Complaints, Water hammer, Reduced flow rate, Leaks, What is the best angle to bend a 30mm offset?, 15 degrees, 30 degrees, 45 degrees, 60 degrees, Identify this component:, Gate valve, Lever valve, Washing machine valve, Stop valve, What is the best angle to bend a 50mm offset?, 15 degrees, 30 degrees, 45 degrees, 60 degrees, Using the measure back method, how much should you measure back when bending a 15mm, 90 degree bend?, 15mm, 70mm, 90mm, 45mm, The largest fuse found in a plug is:, 3A, 5A, 13A, 16A, , TRV, Central heating programmer, Lockshield vlave, Room thermostat, What is the purpose of insulation on a hot water cylinder?, To prevent damage, To prevent the risk of scolding, To prevent heat loss, To prevent leaks, Pillar taps are most usually found where?, Belfast sinks, Outdoors, Kitchen sinks, Washbasins.

7202 Final Knowledge Test

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