Vacuum pressure: For pressures below atmospheric, the gauge pressure will be negative. This negative gauge pressure is known as vacuum pressure. Therefore
Absolute pressure = Atmospheric pressure - Negative gauge pressure or vacuum pressure
161) The vacuum pressure is always the negative gauge pressure.
Answer is:
Yes
Explanation:
Related Hydraulics and fluid mechanics MCQ with Answers
Answer is:
less than
Answer is:
submerged weir
Answer is:
viscous force
Explanation:
The important dimensionless numbers in fluid mechanics are
1. Reynold’s number
2. Froude’s number
3. Weber’s number
4. Euler’s number
5. Mach’s number or Cauchy’s number
Reynold’s number: Reynold’s number is the ratio of inertia force to the viscous force.
Froude’s number: Froude’s number is the ratio of inertia force to the gravity force.
Weber’s number: Weber’s number is the ratio of inertia force to the surface tension force.
Euler’s number: Euler’s number is the ratio of inertia force to the pressure force.
Mach’s number or Cauchy’s number: Mach’s number or Cauchy’s number is the ratio of inertia force to the elastic force.
Answer is: