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The production and behavior of materials at very lowtemperature is referred to as:CryogenicsCold fusionSolid stateQuantum physicsThree common classes of elements on the periodic table ofelements are:Ferromagnetic, alloy, and crystalSolid, liquid, and gasesCompressible, noncompressible, and plasmaConductors, insulators, and semiconductors A machine element that constrains relative movement tothe desired motion and reduces friction between moving parts isreferred to as:CylinderBearingSealGrommetA device that helps joins systems or mechanisms together bypreventing leakage (e.g. in a plumbing system), containingpressure, or excluding contamination is referred to as:CylinderBearingSealGrommetThe process by which heat or electricity is directlytransmitted through a substance when there is a difference oftemperature or of electrical potential between adjoining regions,without movement of the material.ConductionConvectionInductionCouplingThe movement caused within a fluid by the tendency of hotterand therefore less dense material to rise, and colder, densermaterial to sink under the influence of gravity, which consequentlyresult in transfer of heat is referred to as:ConductionConvectionInductionCouplingThe flow of viscous fluid in which particles of the fluid movein parallel layers, each of which has a constant velocity but is inmotion relative to its neighboring layers is referred to as:Eddie currentsVorticesTurbulent flowLaminar flowIrregular flow that is characterized by tiny whirlpool regionsis referred to as:Eddie currentsVorticesTurbulent flowLaminar flowA physical property of materials is: (select all thatapply)DensityMelting pointThermal conductivityThermal expansionThe resistance of a material to breaking under tension isreferred to as:ElongationTensile strengthCompressive strengthCompressive loadingThe action or process of making a physical object from athree-dimensional digital model, typically by laying down many thinlayers of a material in succession is referred to as:EtchingMachiningMolding3D printingA material (such as rubber) or a part (such as an O-ring) usedto make a joint fluid-tight is referred to as a:GasketSealBearingGrommetHeating and then cooling a material, such as steel or glass,usually for softening and making it less brittle is referred toas:AnnealingCold workingHeat treatingWeldingA group of industrial and metalworking processes used to alterthe physical, and sometimes chemical, properties of a material isknown as:AnnealingCold workingHeat treatingWeldingThe four distinct piston strokes that four-stroke internalcombustion engine use are:Intake, compression, power, exhaustIntake, power, compression, exhaustCombustion and exhaust in two strokesRankine cycleThe cross-sectional shape of a wing, blade (of a propeller,rotor, or turbine) or sail (as seen in cross-section) is referredto as:VortexAirfoilLaminar structureSymmetric designWhich type of system is found in automobiles? (select all thatapply)ElectricMechanicalHydraulicPneumaticA structure made up of large molecules of pure carbon that arelong and thin and shaped like tubes, about 1-3 nanometers (1 nm = 1billion of a meter) in diameter, and hundreds to thousands ofnanometers long are referred to as:FilamentMicroelectromechanical devicesGrapheneCarbon nanotubesPLC is the abbreviation for:Position linear calibrationProgrammable logic controllerProportional linear controllerPolar-to-linear calculationDevices used to sense the real world and convert real-worldsignals to electrical signals are referred to as:Sensors and transducersOp-amps and convertersAnalog-to-digital convertersDigital-to-analog converters