How Much You Know About Water Purification? Trivia Quiz

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| By JAMES TRUBSHAW
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JAMES TRUBSHAW
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Quizzes Created: 2 | Total Attempts: 458
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  • 1/48 Questions

    The net selling price of the SC320 System is

    • R15 500
    • R14 955
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About This Quiz

Explore the intricacies of water purification in our trivia quiz! Learn about different purification technologies, their origins, and effectiveness. This quiz assesses your knowledge on methods like UV sterilization and reverse osmosis, enhancing your understanding of water treatment solutions.

How Much You Know About Water Purification? Trivia Quiz - Quiz

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  • 2. 

    Does a Sterilight UV system need an electrical connection?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    A Sterilight UV system does require an electrical connection. UV systems use ultraviolet light to disinfect water by killing bacteria and viruses. In order for the system to generate the UV light, it needs to be connected to a power source. Without an electrical connection, the UV system would not be able to function and effectively treat the water. Therefore, the statement "True" is correct.

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  • 3. 

    Is Sterilight UV effective in treating waterborne bacteria and viruses that are resistant to chlorine?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Yes, sometimes chlorine is NOT effective against some water-borne diseases. UV is very effective against most if not all such diseases. UV alters the DNA structure of a bacteria/virus thus making it inactive.

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  • 4. 

    How much does it cost in electricity to run a Sterilight POU system 

    • About the same as 20W light bulb (around 2c/hour) (R15 per month)

    • The same as a kettle

    • About the same as a geyer - around 2000W/hour

    Correct Answer
    A. About the same as 20W light bulb (around 2c/hour) (R15 per month)
    Explanation
    UV from Sterilight uses very liitle electricity- 2c per hour = around R15/month

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  • 5. 

    Why does the UV lamp need replacing?

    • It gradually loses its effectiveness but will still work after the recommeded replacement time but not at the most effective level to guarantee effectiveness in treatment

    • It suddenly loses its effectiveness and if not replaced on time will not work at all

    Correct Answer
    A. It gradually loses its effectiveness but will still work after the recommeded replacement time but not at the most effective level to guarantee effectiveness in treatment
    Explanation
    The UV lamp needs replacing because it gradually loses its effectiveness over time. Although it may still work after the recommended replacement time, it will not be at the most effective level to guarantee effectiveness in treatment.

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  • 6. 

    What is the product code for the Sterilight POU system

    • VIQ-AWP110

    • VIQ-S2QDWS

    • VIQ-S330RL

    • B01-1000VIQ

    Correct Answer
    A. VIQ-S2QDWS
    Explanation
    The correct answer is VIQ-S2QDWS.

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  • 7. 

    Viqua is a Chinese Company.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    It is a Canadian Company. Products are manufactured in Canada

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  • 8. 

    When using a Sterilight UV system it does the following to the water taste and looks.

    • Give a slight chlorine taste

    • The water has a metallic taste

    • It does not change the taste of water as UV adds no chemicals

    • The water colour changes slightly

    Correct Answer
    A. It does not change the taste of water as UV adds no chemicals
    Explanation
    UV is not a chemical process so it does nota lter the taste of water at all. It is simply UV light exposed to water. No chemicals are added.

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  • 9. 

    The UV chamber in Sterilight systems is made from

    • Mild steel

    • Plastic

    • Corrosive resistant 304 stainless steel

    Correct Answer
    A. Corrosive resistant 304 stainless steel
    Explanation
    304 stainless is a high quality stainless similar to high quality kitchen sinks.

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  • 10. 

    Where is Sterilight manufactured?

    • Canada

    • USA

    • China

    Correct Answer
    A. Canada
    Explanation
    Sterilight is manufactured in Canada.

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  • 11. 

    Does a Sterilight UV system use any pre-filtration before UV sterilization?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Yes, 5 micron sediment filter to remove particles and a carbon filter to remove organic materials such as chlorine.

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  • 12. 

    What is the product code for the Sterilight POE system

    • VIQ-SC320DWS

    • VIQ-S2QDWS

    • VIQ-QS320

    • VIQ-C202

    Correct Answer
    A. VIQ-SC320DWS
    Explanation
    The product code for the Sterilight POE system is VIQ-SC320DWS.

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  • 13. 

    What type of electrical connection does a Sterilight UV system use

    • 3 phase 320V

    • 3 phase 220v

    • Standard 220V residential supply

    • 12V system - you need a step down transformer to convert from 220V to 12V

    Correct Answer
    A. Standard 220V residential supply
    Explanation
    The unit is supplied complete with a 2 prong plug for a normal house plug

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  • 14. 

    When recommending a UV system is it important to work out how many litres per minute a client will be using?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Yes, because a certain amount of UV is required per litre of water through the chamber so a higher requirement may need a larger unit. We offer non stocked units that can process many hundreds of litres per minute for large commercial applications.

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  • 15. 

    Can you connect the Sterilight POU system to a 15mm standard water pipe

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The product is supplied complete with an adaptor to fit standard 15mm pipe

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  • 16. 

    There are many ways to purify water. Sterilight uses which method to sterilize water?

    • Reverse Osmosis

    • Micro Filtration

    • 5 Micron Filter

    • Ultra Violet (UV)

    Correct Answer
    A. Ultra Violet (UV)
    Explanation
    It uses ultraviolet light to alter the structure of DNA in bacteria and viruses to make them inactive. Sterilizing water is NOT the same as filtering water - filtering water only removes particles larger than the set filter size. Sterilight does use filters before UV to remove particles.

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  • 17. 

    The Sterilight units have 2 pre filters before UV sterilisation. What is the first filter used for (the 5micron filter)

    • Remove chlorine taste

    • Remove viruses

    • Remove particles and dirt that is less than 5 microns in size

    • Remove particles and dirt that is more than 5 microns in size

    Correct Answer
    A. Remove particles and dirt that is more than 5 microns in size
    Explanation
    a human hair is approx 75micron so this removes particles a lot smaller than human hair. A human red blood cell is about 5 micron in size. many bacteria and viruses are smaller than 5 micron and therefore UV is needed after filtering to inactivate them.

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  • 18. 

    The minimum selling price for the S2QDWS system is

    • R4 370

    • R15 785

    Correct Answer
    A. R4 370
    Explanation
    That code is a POU system (cheaper)

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  • 19. 

    If a consumer currently buys 3 litres of bottled water per day at R5/litre for a whole year would it be cheaper for them to rather pay upfront to install a Sterilight POU system assuming it is sold to them at R5 000

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The consumer is spending R3 x 5l/day x 365 days = R5 475 per year so installing a UV system will save the client money even in the first year. The next year they save even more as they only pay then for spares. The PAYBACK of the system is less than 1 year

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  • 20. 

    If you get a request for a juice factory that needs to process a minimum 5 000 litres per hour of water what would you do?

    • Suggest they install a POU system

    • Suggest they install the SC320 POE system

    • Contact Walter Wade or James Trubshaw at Pennyware for further assistance as the client looks like he needs a larger capacity system that Pennyware can offer but it is not a standard stock item

    • Tell the client we have nothing suitable for that application

    Correct Answer
    A. Contact Walter Wade or James Trubshaw at Pennyware for further assistance as the client looks like he needs a larger capacity system that Pennyware can offer but it is not a standard stock item
    Explanation
    WE offer a wide range of high capacity UV products from Sterilight - they are specialised and require a site audit to verify how many litres/min are required and exact use. They are supplied on special order as we do not carry stock. In such cases please refer all queries to J Trubshaw ore W Wade for assistance.

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  • 21. 

    RO (Reverse Osmosis) which is a different method of water purification is often used in residential applications because it can produce high volumes of water and does not need a storage tank.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    False - as RO uses water pressure to force water through a very fine membrane it has a reduced capacity vs UV. Generally it needs a storage tank as it cannot produce enough water as the tap is turned on

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  • 22. 

    Sterilight has certain product guarantees -  what is the guarantee period on the stainless steel UV chamber

    • 7 years

    • 5 years

    • 1 year

    Correct Answer
    A. 7 years
    Explanation
    VIQUA warrants the UV chamber on the Sterilight® product to be free from defects in material
    and workmanship for a period of seven (7) years from the date of purchase. During this time,
    VIQUA will repair or replace, at its option, any defective Sterilight® UV chamber

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  • 23. 

    The second pre filter in the Sterilight system is an activated carbon filter. What does it do?

    • Removes organics such as chlorine

    • Removes carbon from the water

    • Adds activated carbon to give water a better taste

    • Nothing

    Correct Answer
    A. Removes organics such as chlorine
    Explanation
    Charcoal is carbon. Activated charcoal is charcoal that has been treated with oxygen to open up millions of tiny pores between the carbon atoms. The use of special manufacturing techniques results in highly porous charcoals that have surface areas of 300-2,000 square metres per gram. These so-called active, or activated, charcoals are widely used to adsorb odorous or coloured substances from gases or liquids. ­
    The word adsorb is important here. When a material adsorbs something, it attaches to it by chemical attraction. The huge surface area of activated charcoal gives it countless bonding sites. When certain chemicals pass next to the carbon surface, they attach to the surface and are trapped.
    Activated charcoal is good at trapping other carbon-based impurities ("organic" chemicals), as well as things like chlorine. Many other chemicals are not attracted to carbon at all -- sodium, nitrates, etc. -- so they pass right through. This means that an activated charcoal filter will remove certain impurities while ignoring others. It also means that, once all of the bonding sites are filled, an activated charcoal filter stops working. At that point you must replace the filter.

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  • 24. 

    What is the maximum working pressure for Sterilight UV systems

    • 6bar

    • 11bar

    • 8bar

    Correct Answer
    A. 8bar
    Explanation
    It is important the water pressure < 8 bar to protect connections and also ensure water flow rates are matched to UV availability. Above 8 bar needs a PRV to be fitted which we can supply

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  • 25. 

    Does a carbon filter effectively sterilize water for drinking?

    • True

    • False

    Correct Answer
    A. False
    Explanation
    No, a carbon filter (like those sold in retailers to fit taps) is only suitable for removing certain organic materials such as chlorine. It does not make water safe to drink.

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  • 26. 

    A replacement UV lamp for the S2QDWS system  is a net price of

    • 400

    • 790

    • 1360

    • 995

    Correct Answer
    A. 790
    Explanation
    refer to price list

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  • 27. 

    UV water sterilisation is very effective when treating water from a bore-hole that is not clear as it contains lots of particles.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    UV may not be suitable without some additional pre-filtration as if the water is very unclear those particles can reflect UV light and make it less effective. In such a situation Pennyware recommends the client first conduct a water analysis that we can arrange for the client. Thereafter we can recommend additional filtration if needed.

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  • 28. 

    How often should a client change the 5 micron pre filter and the carbon filter

    • It depends on the water quality and water source

    • Every 9000 hours

    • Every 3 months

    Correct Answer
    A. It depends on the water quality and water source
    Explanation
    For normal municipal tap water the pre filters should last a year and can be changed when the UV lamp is changed. For borehole water etc, depending on the water quality, 6 month change interval is better,

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  • 29. 

    The VIQ-S2QDWS part number is a 

    • Sterilight complete POU system

    • Sterilight complete POE System

    • Sterilight UV lamp replacment

    Correct Answer
    A. Sterilight complete POU system
    Explanation
    The given part number, VIQ-S2QDWS, corresponds to a Sterilight complete POU system. This means that the part includes all the necessary components for a point-of-use (POU) water treatment system, such as a UV lamp, a quartz sleeve, and a power supply. This system is designed to provide effective and convenient water treatment solutions for specific locations, such as under the sink or at a single tap.

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  • 30. 

    A POU system from Sterilight has the following INCLUDED in the box ready for installation

    • UV Lamp

    • Controller for UV

    • 304 stainless UV chamber

    • 2 x pre filters

    • Piping to connect to water and the tap

    • A saddle to allow easier connection to existing water supply

    • A special drinking tap that can be easily fitted to a sink

    Correct Answer(s)
    A. UV Lamp
    A. Controller for UV
    A. 304 stainless UV chamber
    A. 2 x pre filters
    A. Piping to connect to water and the tap
    A. A saddle to allow easier connection to existing water supply
    A. A special drinking tap that can be easily fitted to a sink
    Explanation
    The POU system has everything needed for a standard installation included in the box.

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  • 31. 

    Does UV treat E Coli bacteria?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Yes, e coli is a water borne bacteria that is very effectively treated by UV - this is important in areas such as Grahamstown in the E Cape where e coli from sewage has contaminated drinking water lines due to poor maintenance practice

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  • 32. 

    When selling a Sterilight unit what are the key sales promotion features to close a sale

    • Using a UV Sterilight system saves you money compared with buying bottled water

    • Running costs are very low

    • A full range of spares are available

    • The product is a high quality Canadian product with good guarantees

    • The unit can effectively sterilize water including inactivating chlorine resistant bacteria

    • The units are also suitable for storing water when the municipal water is turned off

    • Sterilight UV gives peace of mind even if municipla water quality is declining and not at acceptable standards

    • Fitting a POU system is very easy and the unit ships with all parts needed to install it

    Correct Answer(s)
    A. Using a UV Sterilight system saves you money compared with buying bottled water
    A. Running costs are very low
    A. A full range of spares are available
    A. The product is a high quality Canadian product with good guarantees
    A. The unit can effectively sterilize water including inactivating chlorine resistant bacteria
    A. Sterilight UV gives peace of mind even if municipla water quality is declining and not at acceptable standards
    A. Fitting a POU system is very easy and the unit ships with all parts needed to install it
    Explanation
    The key sales promotion features to close a sale when selling a Sterilight unit include the cost-saving aspect of using a UV Sterilight system compared to buying bottled water, the low running costs, the availability of a full range of spares, the high quality of the Canadian product with good guarantees, the unit's ability to effectively sterilize water and inactivate chlorine resistant bacteria, the peace of mind it provides even if municipal water quality is declining, and the ease of fitting a POU system with all necessary parts included in the unit.

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  • 33. 

    When handling a UV lamp it is important to follow all safety instructions especially that the lamp is not connected an d turned on while you look at it as this can cause severe eye damage.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    It is very important that no UV lamp is operated incorrectly. UV can cause significant eye damage.

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  • 34. 

    Pennyware suggests that water quality from boreholes etc be tested before recommending the correct system to filter and purify water. Does Pennyware offer this testing service?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Yes, in conjunction with a specialist lab in CT we can test a water sample for around R1 000.

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  • 35. 

    The POU system can process how many litres/min

    • 20

    • 11

    • 25

    • 45

    • 8

    Correct Answer
    A. 11
    Explanation
    POU - point of USE therefore it is a small unit - 11 l / min. At that maximum flow rate sufficient UV dose is guaranteed. Above 11l/min it is possible insufficient UV dose will be achieved

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  • 36. 

    How do you know if the Sterilight UV system is working?

    • Has an audible alarm to notify you the lamp is not working

    • Has a visual countdown and count-up monitor showing lifetime of lamp

    • The system automatically shuts down if there is a problem

    • The system shuts off the water if there is a lamp problem

    Correct Answer(s)
    A. Has an audible alarm to notify you the lamp is not working
    A. Has a visual countdown and count-up monitor showing lifetime of lamp
    Explanation
    This is the basic controller function. More sophisticated controllers from Sterilight have more functionality incl measuring water quality. We sell these more to industrial applications such as food manufacturing.

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  • 37. 

    The UV lamp is a highly specialised UV lamp that fits into the Sterilight 304 stainless steel chamber. How is it protected from direct water contact

    • As the lamp is contained in a sealed glass lamp water does not enter the unit

    • There is a sealed see through plastic sleeve in the chamber that seals off the water from the lamp

    • The chamber is fitted with a special quartz glass sleeve that is sealed with o rings at each end. The lamp slides into the quartz tube and is sealed off from flowing water

    • The lamp stays outside of the chamber so there is no water close by

    Correct Answer
    A. The chamber is fitted with a special quartz glass sleeve that is sealed with o rings at each end. The lamp slides into the quartz tube and is sealed off from flowing water
    Explanation
    The quartz glass sleeve fits inside the stainless chamber and is fitted with 2 sealing o rings - the UV lamp slides into this sleeve. the quartz sleeve ensures there is no interference with UV light transmission.

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  • 38. 

    Ideal potential clients for Sterilight UV systems are:

    • Residential homeowners who wish to make sure tap water is ultra safe to drink

    • Car wash facilities that want to clean the inlet water before washing cars

    • Food preparation factories like a juice factory that must ensure water is sterilizes

    • Restaurants and Fast food take aways

    • Hospitals - both for sterilizing theatre water and for drinking

    Correct Answer(s)
    A. Residential homeowners who wish to make sure tap water is ultra safe to drink
    A. Food preparation factories like a juice factory that must ensure water is sterilizes
    A. Restaurants and Fast food take aways
    A. Hospitals - both for sterilizing theatre water and for drinking
    Explanation
    Anywhere were STERILIZED water is needed

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  • 39. 

    What is the guarantee period on parts excluding the UV chamber?

    • 3 years

    • 2 years

    • 1 year

    Correct Answer
    A. 2 years
    Explanation
    Two-Year Limited Warranty for Electrical and Hardware Components
    VIQUA warrants the electrical (power supply) and hardware components to be free from defects
    in material and workmanship for a period of two (2) years from the date of purchase. During this
    time, VIQUA will repair or replace, at its option, any defective parts covered by the warranty.

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  • 40. 

    Why do you need to make sure a Sterilight UV system does not operate at higher than the recommended water inlet pressure

    • The inlet is too small

    • The UV dosing may be less effective as water will flow faster through the chamber than designed for at excessive water pressure and so water may not receive a sufficient UV dose.

    • There could be a risk of mechanical failure of a connection fitting or filter housing at higher than recommended pressures

    • The 5 micron filter is not designed to operate at pressures higher than 5bar

    Correct Answer(s)
    A. The UV dosing may be less effective as water will flow faster through the chamber than designed for at excessive water pressure and so water may not receive a sufficient UV dose.
    A. There could be a risk of mechanical failure of a connection fitting or filter housing at higher than recommended pressures
    Explanation
    Operating a Sterilight UV system at higher than the recommended water inlet pressure can have several negative consequences. Firstly, the UV dosing may be less effective as water will flow faster through the chamber than designed for at excessive water pressure. This means that the water may not receive a sufficient UV dose, leading to ineffective disinfection. Additionally, there is a risk of mechanical failure of connection fittings or filter housings at higher pressures, which can result in leaks or breakages. It is also mentioned that the 5 micron filter is not designed to operate at pressures higher than 5bar, further emphasizing the importance of maintaining the recommended water inlet pressure.

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  • 41. 

    How would you best describe a POU system from Sterilight

    • It is used at a point of use - say in a kitchen

    • It has a high flow rate up to 50l min to suppply the whole house

    • Before installation the user must buy a special tap and piping which is not supplied with the unit

    • The installation is easy enough fro a DIY installation and the product has all items needed for setting up

    Correct Answer(s)
    A. It is used at a point of use - say in a kitchen
    A. The installation is easy enough fro a DIY installation and the product has all items needed for setting up
    Explanation
    A POU system from Sterilight is designed to be used at a specific point of use, such as in a kitchen. It is easy to install and can be set up by the user as a DIY project. The product includes all the necessary items for installation.

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  • 42. 

    The Sterilight system is supplied with a 5 micron pre filter for removing sediment and particles. Will it remove a human hair? if so approximately how large is a human hair in micros?

    • Yes it will remove a human hair

    • No - a human hair is less than 5 microns

    • A human hair is approximately 75 microns (much larger than 5 micros

    • A human hair is around 2 microns (smaller) so will pass through the filter

    Correct Answer(s)
    A. Yes it will remove a human hair
    A. A human hair is approximately 75 microns (much larger than 5 micros
    Explanation
    A "micron" is an abbreviated term for "micrometer", or a millionth of a meter (1/1,000,000 meters). This is about .00004 inches. For Size comparison, a human red blood cell is about 5 microns across. A human hair is about 75 microns across (depending on the person). Bacteria can be between about .2 microns and 3 microns in size. Therefore the 5 micron filter removes most particles but UV sterilization is needed to inactivate bacteria and viruses less than 5 micron size

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  • 43. 

    Pennyware has chosen to support which brandS of UV Water Purification brands - 1 is for residential and light commercial use while the other is for municipal and other WASTE water treatment.

    • TrojanUV

    • WaterPure RO

    • UVMax

    • Sterilight

    Correct Answer(s)
    A. TrojanUV
    A. Sterilight
    Explanation
    Sterilight is the brand for residential and light commercial. However please be aware we also support TrojanUV which is UV products from a sister Company of Viqua which are used to treat wastewater - eg at municipalities it is the final treatment of sewage wastewater before discharge into rivers.

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  • 44. 

    If a client paid R5 000 for a POU system and after a year paid R95 for a replacement 5 micron cartridge plus R155 for a replacement carbon filter and R790 for the replacement UV lamp, how much would it have cost the client for a whole year PER LITRE OF WATER used for drinking in the family, assuming the family used 5l of water per day each day of the year Based on your answer would the client have saved money or spent more money using the system rather than buying bottled water that cost R5/litre?

    • R3.31 per litre

    • R5.25 per litre

    • Client would have saved money (Saved R3 085)

    • Client would have spent more money (Spent R500 more) by installing a POU system

    Correct Answer(s)
    A. R3.31 per litre
    A. Client would have saved money (Saved R3 085)
    Explanation
    The cost per litre of water used for drinking in the family for a whole year can be calculated by adding up the costs of the replacement cartridges, filter, and UV lamp and dividing it by the total litres of water used. In this case, the cost would be (R95 + R155 + R790) / (5l/day * 365 days) = R3.31 per litre. Therefore, the client would have saved money by installing the POU system, as the cost per litre is lower than the cost of buying bottled water at R5/litre. In total, the client would have saved R3,085.

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  • 45. 

    The UV lamp needs replacing after how long?

    • 9000 hours

    • 365 Days

    • 19 000hours

    • 180 days

    Correct Answer(s)
    A. 9000 hours
    A. 365 Days
    Explanation
    The UV lamp loses around 10% of its effectiveness after a year - this happens slowly. While it will still work it is not recommended as it cannot be guaranteed to be effective. Many chinese equivalent units loose around 40% UV effectiveness after 3 months so a big difference in quality

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  • 46. 

    A POE System has the following characteristics:

    • Is a larger unit vs POU system

    • Has a flow rate that is up to 50l/min for the POU system stocked by Pennyware

    • Is meant for installation to supply a WHOLE house

    • Must be fitted at the point of use under say a kitchen counter

    • POE means Point of ENTRY

    Correct Answer(s)
    A. Is a larger unit vs POU system
    A. Has a flow rate that is up to 50l/min for the POU system stocked by Pennyware
    A. Is meant for installation to supply a WHOLE house
    A. POE means Point of ENTRY
    Explanation
    A POE system is a larger unit compared to a POU system. It has a higher flow rate of up to 50l/min for the POU system stocked by Pennyware. It is designed to be installed to supply water to an entire house. The term POE stands for Point of Entry, indicating that the system should be fitted at the point where water enters the house, typically under a kitchen counter.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 10, 2014
    Quiz Created by
    JAMES TRUBSHAW
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