Measures questions This is a list of recently added questions about measures. What is a parsec unit?Distances. The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System. One parsec is equal to about 3.26 light-years (30 trillion km or 19 trillion miles) in length. The nearest star, Proxima Centauri, is about 1.3 parsecs (4.2 light-years) from the Sun.Created by: Tschukaaverage 62% timetime188brightnessbrightness224distancesdistances823depthdepth79astronomy riddles » What is measured and given in sverdrups?The power of ocean currents. The sverdrup (symbol: Sv) is a non-SI unit of volume transport. It is used almost exclusively in oceanography to measure the volumetric rate of transport of ocean currents. It is named after Harald Sverdrup. It is equivalent to 1 million cubic metres per second (264,000,000 USgal/s).The entire global input of fresh water from rivers to the ocean is equal to about 1.2 sverdrup. Created by: Tschukahard 45% intensity of lightning strikes during a stormintensity of lightning strikes during a storm2728the power of ocean currentsthe power of ocean currents5465the intensity of the meteor showerthe intensity of the meteor shower2220the strength of volcanic eruptionsthe strength of volcanic eruptions1534seas riddles » What is the name of the wind measuring device?Anemometer. An anemometer is a device used for measuring the speed of wind, and is also a common weather station instrument. The term is derived from the Greek word anemos, which means wind, and is used to describe any wind speed measurement instrument used in meteorology. Created by: Tschukavery hard 23% DynamometerDynamometer296PedometerPedometer147HydrometerHydrometer769AnemometerAnemometer364meteorology riddles » When did the USA introduce metric system as preferred for weights and measures?1975. President Gerald Ford signed the Metric Conversion Act in1975. It declared the metric system "the preferred system of weights and measures for United States trade and commerce", but permitted the use of United States customary units in all activities. The metrification board was abolished in 1982 by President Ronald Reagan.Created by: Ninjaivery hard 17% nevernever205180518051518661866521975197558USA riddles » Historically, the nautical mile was defined as ...One minute of latitude. In 1929, the international nautical mile was defined by the First International Extraordinary Hydrographic Conference in Monaco as precisely 1,852 meters. The United States nautical mile was defined as 6,080.20 feet (1,853.24 m) based in the Mendenhall Order foot of 1893. It was abandoned in favour of the international nautical mile in 1954. The Imperial nautical mile, often called an Admiralty mile, was defined by its relation to the Admiralty knot, and was abandoned in 1970.Created by: Katarzyna Dąbrowskahard 41% one minute of latitudeone minute of latitude2605one hour cruise on average windone hour cruise on average wind7741/12 distance from Calais to London1/12 distance from Calais to London8211000 English yards1000 English yards2053sailing riddles » Which of the following length units is the largest?Meter. One yard is 0,91 m; one foot is 0,3 m; ell was typically 60-70 cm.Created by: globalquiz.orghard 40% metermeter2258footfoot176ellell196yardyard2905units riddles » Which of the following is the largest?Nautical mile equals 1852 meters (in some countries slightly different values are used), land mile (statute mile) in the U.S. is 1609 meters, verst was approx 1077 meters.Created by: globalquiz.orgaverage 64% nautical milenautical mile3526land mile in the United Statesland mile in the United States929old Russian verstold Russian verst678kilometerkilometer358technology riddles » Play technology quiz and see all the questions.