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Fluid: Quiz


Question 1: ________ can be considered to behave like a solid or a fluid, depending on the time period over which it is observed.
ViscosityPolydimethylsiloxaneSilly PuttyNon-Newtonian fluid

Question 2: Depending on the relationship between shear stress, and the rate of strain and its ________, fluids can be characterized as:
Differential calculusDerivativeCalculusIntegral

Question 3: The behavior of fluids can be described by the Navier–Stokes equations—a set of ________ which are based on:
Dirac delta functionHeat equationEigenvalue, eigenvector and eigenspacePartial differential equation

Question 4: A consequence of this behavior is Pascal's law which describes the role of ________ in characterizing a fluid's state.
ForcePressureTemperaturePressure measurement

Question 5: Fluids are a subset of the phases of matter and include ________, gases, plasmas and, to some extent, plastic solids.
Phase transitionColloidSupercritical fluidLiquid

Question 6: In contrast, ideal fluids can only be subjected to normal, compressive stress which is called ________.
PressureTemperaturePressure measurementForce

Question 7: Solids can be subjected to shear stresses, and to ________—both compressive and tensile.
Linear elasticityHooke's lawStress (mechanics)Continuum mechanics

Question 8: The distinction is made by evaluating the ________ of the substance.
Fluid dynamicsSurface tensionRheologyViscosity

Question 9: The study of fluids is fluid mechanics, which is subdivided into ________ and fluid statics depending on whether the fluid is in motion.
Fluid dynamicsReynolds numberSurface tensionViscosity


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