Chemical Engineering :: Fluid Mechanics
- Pick out the wrong statement.
- In parallel pipe problems, the
- In turbulent flow, the
- The boundary layer is that part of a moving fluid, in which the fluid velocity is
- A centrifugal pump designed for handling water (μ = 1 cp) will deliver __________ when pumping a thicker oil (μ = 30 cp).
- Which of the following flow measuring devices is an area meter?
- For a given fluid flow rate, which of the following incurs maximum head loss?
- A rotameter through which air at room temperature and atmospheric pressure is flowing gives a certain reading for a flow rate of 100 cc/sec. If helium (molecular weight 4) is used and rotameter shows the same reading, the flow rate (cc/sec) is
- A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of __________ shape.
- A stream tube is that, which has __________ cross-section entirely bounded by stream lines.
|
A.
Surface tension of a liquid is because of the difference in magnitude of adhesive & cohesive forces |
|
B.
A hydrometer used for the determination of specific gravities of liquids works on the principle of buoyant forces |
|
C.
In case of unsteady fluid flow, the velocity at any given point does not change with time |
|
D.
Turbulent fluid flow is characterised by the rapid fluctuation of instantaneous pressure & velocity at a point |
Whatsapp
Facebook
