Quastion 1:
choose the right answer for the following questions:
a) Euler’s equation arises from neglecting the …………. Terms inthe more general Navier-Stokes equations.
1- Density 2- Pressure 3-Viscosity 4-None
b) A……………. is used to decelerate a flowing fluid to zero by africtionless process, thereby allowing the measurement ofstagnation pressure.
1-Static pressure probe 2-pitot tube 3-orifice plate 4-none
c) There is a flow probe that depend on 5 parameters and has 3independent Dimensions. How many pi parameters will that flowproblem have?
1-3 2-5 3-2 4-Not enough information
D) The Reynolds number compares initial to ……  effectin a flow problem.
1- Pressure 2- Surface tension 3-Viscus 4- none Â
