Chemical Engineering :: Fluid Mechanics
- The kinetic energy correction factor for velocity distribution of laminar flow is
- The Navier-Stokes equation deals with the law of conservation of
- Critical velocity in a pipe flow
- The simple pitot tube does not measure the
- Pick out the wrong statement.
- The head loss in turbulent flow in pipe is proportional to(where, V = velocity of fluid through the pipe)
- For pipe flows, head is proportional to __________ at constant capacity(where, D = pipe diameter).
-
A centrifugal pump has the following specifications:
Power = 4 H.P.; Speed = 800 rpm
Head = 8 metres
Flow = 1000 litres/minutes.
If its speed is halved, the new discharge will be __________ litres/minute. - Pick out the correct statement.
- Potential flow is characterised by the
Whatsapp
Facebook
|
A.
A fluid mass is free from shearing forces, when it is made to rotate with a uniform velocity |
|
B.
Newton's law of viscosity is not applicable to the turbulent flow of fluid with linear velocity distribution |
|
C.
Laminar flow of viscous liquids is involved in the lubrication of various types of bearings |
|
D.
Rise of water in capillary tubes reduces with the increasing diameter of capillary tubes |
|
A.
Fanning friction factor is inversely proportional to Reynolds number always |
|
B.
The property of a randomly packed bed (with raschig rings) is given by the ratio of the total volume to the volume of voids in the bed |
|
C.
Mach number in an incompressible fluid is always unity |
|
D.
Mach number is given by the ratio of the speed of the fluid to that of sound in the fluid under conditions of flow |