Engineering Board Exam Reviewer · Fluid Mechanics · medium
Critical flow in an open channel corresponds to:
- Maximum specific energy
- Maximum depth
- Minimum specific energy for a given discharge
- Zero velocity
Answer
C. Minimum specific energy for a given discharge
Solution
At critical depth, Fr = 1 and E is minimum.
More Fluid Mechanics questions
- The specific energy in an open channel is defined as:
- In turbulent flow through rough pipes at very high Reynolds numbers (fully rough zone), the friction factor depends mainly on:
- The dimensionless number most important in modeling ships, spillways and open channel flow is the:
- The dimensionless number most important in modeling flow in closed pipes (no free surface) is the:
- Which instrument measures discharge with the LEAST permanent head loss?
- The velocity at which flow changes from laminar to turbulent is called the:
- The kinetic energy correction factor for fully developed laminar flow in a circular pipe is:
- When a ship moves from fresh water into seawater, its draft:
- A body completely submerged in a fluid is in stable equilibrium if its center of gravity is:
- The maximum theoretical height to which water can be raised by suction at sea level is about: