
3.2.2 Review
Quiz by Kwok Louie
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15 questions
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- Q1What is the primary function of a surge suppressor?To protect electrical devices from voltage spikesTo increase electrical currentTo improve network speedTo convert AC to DC30s
- Q2What is the common measurement unit for the energy absorption capability of surge suppressors?VoltsWattsJoulesAmperes30s
- Q3How often should surge suppressors be replaced to ensure ongoing protection?They never need replacementEvery 10 to 15 yearsEvery 3 to 5 yearsEvery year30s
- Q4What is the primary function of an Uninterruptible Power Supply (UPS)?To provide backup power during an outageTo cool electronic devicesTo enhance audio qualityTo increase internet speed30s
- Q5Which component is most critical in determining the runtime of a UPS?Physical sizeBattery capacityInput voltageCooling fans30s
- Q6Which type of load is NOT typically supported by a UPS?High inductive loadsComputersPrintersNetwork equipment30s
- Q7Which maintenance task is essential for prolonging the life of a UPS battery?Updating software onlyCleaning the exterior casingAdjusting voltage settingsRegularly testing and replacing old batteries30s
- Q8What is the main difference between a standby power supply and a generator?Generators are smaller than standby power suppliesGenerators are used only for residential applicationsStandby power supplies can run on gasolineStandby power supplies provide instant power, while generators may have a delay30s
- Q9What is the typical duration that a standby power supply can maintain power during an outage?From a few minutes to several hoursContinuous power indefinitelyLess than a minuteOne day or more30s
- Q10What is one effect of blackouts on businesses?Enhanced customer engagementIncrease in employee productivityImprovement in data securityDisruption of operations30s
- Q11What is the primary purpose of a blackout prevention plan?To increase energy tariffsTo promote fossil fuel usageTo ensure continuity of power supplyTo decrease infrastructure investments30s
- Q12What is a common cause of brownouts?Malfunctioning power plantsExcessive rain causing floodingHigh electricity demand during peak usage timesForeign cyber attacks30s
- Q13What is a brownout?A type of electrical surgeA temporary reduction in electrical power supplyAn increase in electrical power supplyA complete blackout of electrical systems30s
- Q14How can brownouts affect electronic devices?They have no effect on electronic devicesThey can cause damage or malfunction due to voltage fluctuationsThey improve performance of devicesThey enhance battery life30s
- Q15What is one typical sign of a brownout?Rapidly charging battery devicesIncreased appliance efficiencyDimming or flickering lightsComplete power outage30s