Throw away your ductulator and get into the21st century! Rapid HVAC Duct Sizing takes the trouble out ofsizing duct for ventilation, heating and air conditioning. It is aquick, simple, easy to use tool, allowing you to whip out yourphone and give an immediate answer. You don't need to be anengineer to use it - Rapid HVAC Duct Sizing comes with industrydefault values preloaded so all you need to do is plug in the airflow and spin the wheel to calculate the duct height. Easy.It is customisable, with both SI (metric) and imperial unitssupported, plus the target velocity and pressure drop are able tobe configured to suit your requirements. The app supports sizing ofoval and circular HVAC ductwork, as well as the space efficientrectangular duct type most often used in modern construction.Sizing of flexible HVAC ductwork is also possible..For its engineering calculations, Rapid HVAC Duct Sizing uses ahybrid of the equal friction method and constant velocity methods,selecting for an equal friction but with a set maximum velocity toavoid acoustic issues. It calculates the friction factor based onthe preferred methods of Trane, Carrier and ASHRAE - by iterativelysolving the Colebrook equation for the friction factor based on airflow. Rapid HVAC Duct Sizing then applies this friction factor todetermine the pressure drop. Through the use of hydraulicdiameters, oval and circular duct as well as rectangular ductsizing can be done. The velocity is simply calculated based on theair flow and sizing of the duct. The app compares the velocity andpressure drops calculated to determine the optimal size meeting thefriction pressure drop as well as maximum velocityrequirements.Despite the robust engineering calculations being performed,this tool is suitable for use by anyone. Mechanical consultingengineers use it to save time sizing, ventilation, heating andcooling ducts, especially when estimating a new constructionproject. It is great for heating and air conditioning installerschecking the sizing of their ventilation ducts. Mechanicalcontractors can make changes to duct sizing on site without needingto call in a consulting engineer. Architects find it useful forceiling space sizing, without needing to call in the buildingservices specialists. Builders can use it to scrutinise theirheating and air conditioning contractors engineering and make surethey aren't taking up more space in their construction thanrequired. Building owners can check on the construction work beingperformed to make sure their ventilation, heating and coolingsystems will work properly.This paid version has none of the ads and limitations of thefree version, making it faster and more flexible.Get it done right and fast with Rapid HVAC Duct Sizing.Feature Overview:• Sizing of HVAC ductwork using the equal friction (pressure drop)method and a maximum velocity using engineering calculations perCarrier, Trane and ASHRAE• Rectangular duct, oval duct or circular duct can be selected tosuit construction requirements• 3 construction industry standard duct sizing criteria (sets ofpressure drop and velocity requirements) included, plus these canbe modified to suit the engineering requirements of yourproject• For oval and circular duct, a fourth engineering criteria forflexible duct is available, which also changes the roughness factorso that friction pressure drop calculations are correct• SI Metric and Imperial units are both included• Quick and simple to use - enter the air flow with the keypad thenspin the wheel to set the duct height. Change between pressure dropand velocity sizing engineering criteria sets with the press of abutton.• Calculation results have been triple checked against the ASHRAEhandbook.

A quick, simple to use HVAC (or other uses)pipe sizing tool which does the engineering work for you. RapidHVAC Pipe Sizing can determine pipe sizes for a variety ofmaterials with copper pipe, steel pipe and plastic pipe standardsfor the United States, (ASME), Europe (EN) and Australia (AS) allincluded within the calculations, for selection as desired.Standard water fluid properties are included natively within thecalculations, so you don't need to go searching for densities andviscosities, just tell Rapid HVAC Pipe Sizing what temperature thewater is and you are set!This is the quickest and easiest to use pipe sizing calculatoron Google Play. Just punch the water flow rate (in L/s, CFM, US GPMor UK GPM) into the numpad and choose between your sizing criteria.You can swap between 3 different temperature settings and 3different materials on the fly with a single button press. Tap anyof the units displayed and you can change them instantly, settingyour velocity (m/s, FPS or FPM), diameter (mm or inches), pressuredrop (Pa/m or psi/ft) and temperature (celsius or fahrenheit) unitsto suit your preferences. The friction factor used in calculatingthe pressure drop is determined through an iterative solution ofthe Colebrook equation as recommended by ASHRAE, so it is the mostaccurate method you can use. Water density and pressure arecalculated internally through a standard water properties tablebased on the temperatures you set, so you don't need to mess aroundpulling these together yourself like in other pressure dropcalculators.When it comes to pipe standards, often the nominal diameter isquite different to the actual real inside diameter of the pipe. SoRapid HVAC Pipe Sizing is preloaded with the actual internaldiameters that American, European and Australian standards require.It uses these inside its calculations, but tells you the resultingnominal diameter so you can get the right size copper pipe, steelpipe or plastic pipe.Rapid HVAC Pipe Sizing isn't just for HVAC engineers though. Thepipe sizing methods are also equally applicable to hydraulic pipe,fire pipe and other water flow applications. Due to its ease ofuse, it is great for pipe installers looking to check their copperpipe, steel pipe or plastic pipe sizes. Building Servicesconsultants use it for rapid sizing of pipes in their HVAC andhydraulic pipe designs. HVAC contractors use it to size theirpiping to suit the project specific sizing criteria. Architects useit to check how much riser space needs to be allocated to HVAC andhydraulic trades.Pipe materials included:United States Copper pipe type K, L and M (per ASTM B88)Australian Copper piping type A and B (per AS 1432)European Copper piping (per EN 1057) - Table X and YequivalentsUnited States Steel pipe Standard and Extra Strong types (perANSI/ASME B36.10) – with in-app upgradeEuropean Steel pipe L2, Medium and Heavy types (per EN 10255) –with in-app upgradeAustralian Steel pipe Medium and Heavy types (per AS1074) but notethat US steel standards are commonly used in Australia as well –with in-app upgradeUnited States plastic pipe PEX (per ASTM F876) – with in-appupgradeFunctions included:Size HVAC or other water pipe to suit a particular water flow rate,maximum velocity and pressure dropSelection criteria can be varied to suit your project, with 3different options selectable on the flyDensity and viscosity used in pressure drop calculation calculatedautomatically based on the selected temperature (3 settings tochoose between)Customise the temperature settings to suit your project – within-app upgradeSelect from 7 different copper pipe standards to match your localconditionsSelect from 7 different steel piping standards and one plastic pipestandard to suit your project requirements – with in-appupgradeAll units used can be changed to suit your local requirements(water flow, velocity, pressure drop, temperature, diameter)

Periodic Table Chemistry Quiz is the fun wayfor school students or anyone looking for a chemistry tutor toteach them how to read the periodic table of elements andunderstand subatomic structure. This educational atomic quiz coverseverything from basics like names of chemical elements to moreadvanced topics like cations and anion electron configuration. Acomplete periodic table of elements is also included, both to makestudying easier and to act as a handy subatomic particle reference.Your journey to understanding starts with simple questionsidentifying chemical elements. But from here you can choose whichareas to focus on, with levels covering subatomic structure,identifying more complicated chemical elements and ion electronconfiguration as well as a grand combined chemistry test. Betterperformances in your chemistry quiz will earn you stars as well ascoins which you can use to unlock more game modes and tougherlevels. Figure out how you can use atomic weight and atomic numberto determine the subatomic structure of a chemical element.The included periodic table of the elements is the perfectchemistry helper, allowing you to look up and memorize thesubatomic particle before taking on the challenge. But it alsoallows this app to serve as a quick reference for a higher levelchemistry tutor or professional. They can use it to see at a glancethe proton, electron, neutrons, atomic number and atomic weightnumbers of any chemical elements. Unlike many other periodic tableof elements apps, both landscape and portrait orientations areavailable for the chemistry tutor on the go. The combination of thechemistry test and periodic table provides the ideal environmentfor learning about the atomic structure and subatomic particle,then being able to refer to it later as required.The rapid-fire nature of this chemistry quiz makes it a handychemistry helper for last-minute cramming before a chemistry test,or to quickly improve your memory of chemical elements. But thischemistry quiz doesn't skimp on the details, with all majorsubatomic particles (proton, electron and neutrons) covered using acombination of atomic number, chemical element, atomic weight andchemical element type given to help you along the way. Advancedquestions test your ion knowledge, with ion (cations and anion)versions of atoms included, and questions which test yourunderstanding of their proton, electron and neutrons.Do you know the relationship atomic number has with proton andelectrons? How about finding proton and neutron numbers from atomicweight? Can you tell what impact a cation or anion have on thesubatomic particle? If you'd like to strengthen your existingunderstanding before a chemistry test, or learn about theseconcepts for the first time, Periodic Table Chemistry Quiz is thebest chemistry tutor you can get.Features include:- Determine the number of subatomic particles (proton, electron,neutrons) present in a particular chemical element- The chemical element may have one or multiple details obscured(atomic number, atomic weight, chemical element)- Both uncharged chemical elements and ion (cations, anion) typesincluded- Earn stars and coins which can be used to unlock more levels ormore game modes- Challenge your best scores on each chemistry test- Complete periodic table of elements included to aid the chemistrytutor or science professional- 14 different levels of questions included in this wide rangingchemistry helper- Learn the subatomic structure (protons, electrons, neutrons) in afun, engaging way- Continually being improved, to make it the best chemistry quizand periodic table of elements available- Questions range from simple atom identification, through mediumsubatomic particle calculations to advanced ion (cations and anion)subatomic structureThis app is supported through ads and through the in-app purchaseof additional coins. All content can be unlocked withoutpurchase.

A new strategy challenge awaits you!Takecharge of a Baltic Sea port in the middle ages and build up atradeempire to stand the test of time. Wage economic warfare onyouropponents by taking advantage of the supply / demand basedeconomy.Use your vast earnings tactically to manufacture moregoods, moresailing ships and expand your dominion to other ports.Will youbuild a vast trading fleet and be a champion of free trade?Or doyou get fat from protectionism with a tariff levy on all whowishto share the resources of your vast manufactories? Manipulatetheeconomy and take your rightful place at its head.Mercantilism allows you to take charge as Patrician oftheHanseatic League and expand throughout the Baltic Sea as youseefit. You have complete control of the artisan manufactoriesofLubeck, a historically important seaport which was part of theHolyRoman Empire. Your sailing ships sit at their dockyardjettymoorings, ready to sail for the economic riches ofDanzig,Konigsberg, Visby or any of 18 dockyard piers. From thesehumblebeginnings you will expand your mercantile dominion byproducingand trading raw material then using the might of yourmanufactoriesto convert it to vital produce to fill your warehousestockpile.Your mighty fleet of sailing ships will transport thegoods acrossthe known world to the pier or jetty moorings where youcan obtainmost profit.But the protectionism strategy can work for the craftyPatrician.Expand your material and market it effectively, and yourHanseaticLeague doesn't need a vast trading fleet in dockage. TheHoly RomanEmpire will come to your seaport pier and pay yourtariff levy forthe vast artisan stockpile in your warehouse. Letthe sailing shipsof your adversaries come to your dockyard pierand provide the rawmaterial you need, while you grow fat on tarifflevy funds. Build upyour manufactories to supply the world marketwith all the materialthey need and your protectionism will pay offwith handyprofits.As you grow rich off profits, either by protectionism usingatariff levy or a fleet of sailing ships you'll earn enough toopenup a new dimension by purchasing a mercantile seaport or twowhichare struggling. With your Patrician business expertise you canturnthese around to profitable ventures and take advantage ofmorejetty moorings, more produce in your artisan warehousestockpileand even more profit. Every substantial mercantiledockyard andpier on the Baltic Sea (and some beyond) can bepurchased andexploited towards greater profits for your HanseaticLeague. Wageeconomic warfare on your opponents by building theartisan resourcestockpile of resource in your warehouse, halt theirsupply chainand drive them to your high tariff levy seaportdockage. AsPatrician it is your duty to enrich yourself throughruthlessmercantilism, so produce sailing ships, manufactureresources andsmash your opposition.In history the Hanseatic League managed expand from Lubecktocontrol much of the Baltic Sea trade, including Danzig,Konisbergand Visby as well as many other jetty moorings andmercantiledockyard of the Baltic Sea. But there were stillholdouts, bothwithin the Holy Roman Empire and without. Can youforge a HanseaticLeague with dominion over the whole ocean anddominate the economyof the region? This is your challenge asPatrician inMercantilism.Features:-Control a mercantile seaport on the Baltic Sea in themiddleages-Upgrade artisan manufactories to produce trade goods-Produce a range of special buildings-Build new sailing ships and upgrade existing ones to dominateseatrade (but jetty moorings are limited)-Set your trade policies – do you fill your warehouse stockpileortrade freely-Grow to take over other ports and strengthen your supply chain,orwage economic warfare on opponents-Full supply / demand based economic system which forms thebackboneof the game-Protectionism or free trade – its your choice

Are you a car enthusiast, or want to learn?Then this is the game for you. Show off your car knowledge byanswering automotive trivia questions to gain levels and climb theleaderboards. Unlock car mods which change the game to suit yourplay style. Experience unique events where you will meet withfamous historical figures, who may help or hinder your cause.Your Automobile Trivia Car Quest comes with more than 500automobile trivia questions covering vehicles from many major carbrands. Answering car quiz questions correctly earns you points andcoins, plus experience points. The experience points let you gainlevels, and as you gain levels you will unlock more car mods. Thesevehicle mods change the rules of the game, helping you to earn evenmore points and climb the leaderboards. The coins you earn can alsobe traded for other automobile mods. This isn't just a one-offseries of trivia questions like in other games, its a persistentautomobile trivia car quest!As you play, historical figures will become interested in yourcar quest and will appear with propositions. They may even joinyour crusading party for a time, giving you unique bonuses to aidyour car quest. Your actions in these events may help to unlockmore car mods, or otherwise aid you on your car quest.But the core of the game is the extensive database of automotivetrivia questions, which are also built around pictures of uniqueautomobiles. It is a test of speed and car knowledge, as you tryand answer the automotive trivia questions as quickly as possiblein order to maximise your points. But be careful. Getting asuccession of car quiz questions right builds your bonusmultiplier, so one wrong answer will slam the brakes on yourprogress! Each question is also graded on a difficulty scale, withmore rewards for harder quiz questions. The game is built to bevery meritocratic, for real car enthusiasts. However, due to therange of interesting questions included, Automobile Trivia CarQuest is also a great car quiz for those who want to learn moreabout cars and automobiles.As you advance through your car quest, you will unlock GoogleGames achievements, which provide a further test of your carknowledge. Can you unlock the coveted 'Motorhead' achievement,showing you are a true car enthusiast to the world?Car enthusiasts from across the world are fighting for the topspots on the Google Games leaderboards to show their automotivetrivia knowledge. If that level of competition is a bit high foryou, you can also compete against your Google+ circles. Prove yourcar knowledge to your friends!Permissions:In-app purchases - allows purchase of additional coins from withinthe appIdentity - Allows you to sign in with your Google+ account(optional) to access leaderboards and achievements.Files - Saves the game locallyFeatures:Over 500 automobile trivia questions, covering more than 60different car brands as well as general car quiz questionsEvents where historical figures can help or hinder in your carquest or even join you for a time, each with their own effect onscoring or gameplay8 car mods to unlock and use, which change the way the gameworksEarn coins by answering car quiz questions correctly, which you cantrade for quicker car mod unlocksPersistent experience - its a car quest, not just a series ofautomotive trivia questions12 Google Games achievementsGoogle Games leaderboards – prove your car knowledge to yourfriendsCompletely free to play - all content can be unlocked throughgameplay (extra coins can be purchased to help you unlock thingsmore quickly, but are not required)Meritocratic scoring - racking up a high bonus is critical to makesure the most skilled car enthusiasts top the leaderboards

Want to learn more about the multitudeofnations which make up the world? Looking to find your new homeorseek asylum in a safe, rich country. Per Capita has theanswers.This app is stacked with information about every country intheworld, including everything from economic power toreligioustolerance and cultural diversity. You can filter countriesby anycriteria, to make narrowing down your best option eveneasier. Thenget all the details on your target nations, from Ginicoefficientsto compliance with United Nations conventions.This app puts a wealth of information at your fingertips,layingout international development levels between nations. If youhadn'tthought of migration before, the level of income inequalityondisplay might make you an economic migrant! National statisticsarelaid bare, including GDP per capita, HDI (Human DevelopmentIndex),Gini Coefficients for both income inequality and wealthinequality,minimum wages, population density, ethnic and culturaldiversity,migration levels, refugee populations, religioustolerance and evenwhether the United Nations conventions areaccepted. This alsomakes it a handy reference for existing illegalaliens looking tolearn more about their country in preparation fornaturalisationand citizenship. In the modern world borders are moreporous thanever before, so why not take advantage (with visa orwithout as anasylum seeker) to better your life in another country?It is nocrime to migrate as an asylum seeker, the United Nationsmakes thisquite clear.If you are looking for economic statistics, this app hasyoucovered with GDP, GDP per capita, HDI (Human DevelopmentIndex),IHDI, Gini coefficients (for both wealth inequality andincomeinequality), minimum wages and standard working weeksincluded.Demographic statistics are included, with population,area,population density, ethnic fractionalisation andculturaldiversity. Migration statistics give you the crowdsourcedview,with migrant percentage, net migration rate and refugeepopulation(both total and per capita). Religious information isalsoincluded, so that you can maintain your spiritual lifewithproportions of all major religions and the importance ofreligionto the populace. A number of United Nations conventionsrelevant tomigrants (eg Refugee Convention, Convention on MigrantWorkers) arealso included, along with whether each country is aparty to thoseconventions to make sure you will get refugee rightslike minimumwage and a visa. All data has been obtained fromreputable globalsources for the discerning asylum seeker, citizenor illegal alien,like the United Nations and CIA WorldFactbook.The filtration options allow you to drill down those issueswhichare important to you and narrow down your visa options. Youmight belooking for a country with a high minimum wage and a highproportionof Muslims, or one with a high GDP per capita and HDI(HumanDevelopment Index) located in Asia. The filtration optionsallow youto tailor the results to just your needs, to find theright countryto migrate, whether economic migrant or asylum seekerwithout visa.These also make it a handy tool for existing citizensor illegalaliens to research into what life is like in othercountries, ordeduce patterns in international development andincomeinequality.This is all presented in an easy to use, dynamic formatdesigneddirectly for mobile phones and tablets. So stop wallowinginpoverty and make a better life for yourself. Don't let visasorborders stop you, there are many doors open to refugees as wellaseconomic migrants. Find the nation with a low Gini coefficient(noincome inequality), great religious tolerance, culturaldiversityand a wealthy GDP per capita to suit your future. Pickwhere youmigrate to carefully, after all without a high minimumwage, noasylum seeker, illegal alien or refugee can livecomfortablyregardless of the GDP per capita.