Hydraulics and fluid mechanics MCQ with Answers

Hydraulics and fluid mechanics MCQ with Answers

256) The specific weight of compressible fluids does not remain constant.

Answer is:

Right

257) The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called

Answer is:

viscosity

258) In a convergent mouthpiece, the absolute pressure head at vena contracta is the same as that of the atmosphere.

Answer is:

Right

259) Newton's law of viscosity is a relationship between

Answer is:

shear stress and rate of shear strain

260) The pressure of air __________ with the increase of height from the surface of the earth.

Answer is:

decreases

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