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International System of Units: Quiz


Question 1: ________ includes these in its CJK Compatibility and Letterlike Symbols subranges for back compatibility, without necessarily recommending future usage.
UnicodeHan unificationUniversal Character SetUTF-8

Question 2: Symbols formed by division of two units are joined with a solidus (⁄), or given as a negative ________.
Vector spaceExponentiationComplex numberLogarithm

Question 3: Note that this is only an approximate definition of the ________, as the density of water can change with temperature; the actual definition is based on a specific platinum-iridium cylinder held in a vault at the BIPM in Sèvres, France.
Mass versus weightMetric systemKilogramPlanck constant

Question 4: The American ________ recommends that "L" be used instead, a usage which is common in the US, Canada and Australia (but not elsewhere).
National Institute of Standards and TechnologyNational Oceanic and Atmospheric AdministrationBureau of Industry and SecurityNational Technical Information Service

Question 5: The ________ and knot (nautical mile per hour) used to measure travel distance and speed of ships and aircraft (1 International nautical mile = 1852 m or approximately 1 minute of latitude).
MetreNautical mileKnot (unit)Kilometre

Question 6: Symbols are written in upright (Roman) type (m for metres, s for seconds), so as to differentiate from the ________ used for variables (m for mass, s for displacement).
HyphenDashItalic typeTypography

Question 7: Three principal exceptions are Burma (Myanmar), ________, and the United States.
Sierra LeoneGhanaLiberiaNigeria

Question 8: ________ is measured in mmHg instead of Pa.
Blood pressureVasodilationRenin-angiotensin systemCirculatory system

Question 9: The six base units that were recommended are the metre, kilogram, second, ampere, degree ________ (later renamed the kelvin), and the candela.
CelsiusKelvinTemperatureThermodynamic temperature

Question 10: The metric system was conceived by a group of scientists (among them, Antoine-Laurent Lavoisier, who is known as the "father of modern chemistry") who had been commissioned by ________ of France to create a unified and rational system of measures.
Louis XVIII of FranceLouis XVI of FranceLouis Antoine, Duke of AngoulêmeLouis XVII of France

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