Engineering Board Exam Reviewer · Fluid Mechanics · easy

A fluid whose density varies significantly with pressure is called:

  1. Incompressible
  2. Compressible
  3. Ideal
  4. Newtonian

Answer

B. Compressible

Solution

Gases at high Mach numbers (Ma > 0.3) are treated as compressible.

More Fluid Mechanics questions

  1. A streamline is a line that is:
  2. For a centrifugal pump, the power required varies with speed N as:
  3. For geometrically similar centrifugal pumps (affinity laws), the flow rate varies with speed N as:
  4. The minimum pressure head above vapor pressure required at a pump inlet to avoid cavitation is called the:
  5. Which pump is most commonly used for large flow rates at moderate heads?
  6. Which of the following turbines is an impulse turbine?
  7. The power developed by a hydraulic turbine is given by:
  8. The power required by a pump is given by:
  9. The thin layer near a solid surface where viscous effects are significant is called the:
  10. The discharge over a rectangular weir is proportional to:

All Fluid Mechanics Reviewer questions