1.

Fill in the blanks using the word (s) from the list appended with each statement:(a) Surface tension of liquids generally ......... with temperatures (increases/decreases)(b) Viscosity of gases ...... with temperature, whereas viscosity of liquids ....... with temperature (increases/decreases)(c) For solids with elastic modulus of rigidity, the shearing force is proportional to. ........ while for fluids it is proportional to .......(shear strain/rate of shear strain)(d) For a fluid in a steady flow, the increase in flow speed at a constriction follows (Conservation of mass/Bernoulli's principle)(e) For the model of a plane in a wind tunnel, turbulence occurs at a ...... speed for turbulence for an actual plane (greater/smaller)

Answer»

(a) decreases

(b) η of the gases increase, η of liquid decreases with temperature

(c) Shear strain rate of shear strain

(d) Conservation of mass, Bernoulli's equation

(e) greater



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