Rubber latex
Sewage sludge
Quicksand
Non-colloidal solution
✅ The correct answer is option D.
Fluid Mechanics MCQs
The ratio of actual discharge to theoretical discharge through an orifice is equal to
Cc . Cv
Cc . Cd
Cv . Cd
Cd/Cv
✅ The correct answer is option A.
The lift of a ballon is
Increased, as it rises to a higher altitude
Due to the weight of the atmospheric air, that it displaces
Not dependent on the temperature of the atmosphere
None of these
✅ The correct answer is option B.
Priming of a centrifugal pump is done to
Increase the mass flow rate of fluid
Develop effective pressure rise by the pump
Avoid chances of separation inside the impeller
None of these
✅ The correct answer is option C.
A streamline is
The line connecting the mid-points of flow cross-sections
Defined for uniform flow only
Drawn normal to the velocity vector at every point
Always the path of a particle
✅ The correct answer is option C.
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
Rotational
Unsteady
Turbulent
Non-uniform
✅ The correct answer is option D.
When the head pumped against is less than the head of the fluid used for pumping, the usual device is a/an
Ejector
Blower
Injector
Airlift
✅ The correct answer is option D.
Which of the following pipe bends will incur the largest head loss ?
U-bend
30° bend
45° bend
90° bend
✅ The correct answer is option A.
Which of the following is a dimensionless parameter?
Angular velocity
Specific weight
Kinematic viscosity
None of these
✅ The correct answer is option D.
The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost are P. Inlet pressure Q. Compressor rpm R. Delivery pressure S. Volumetric flow rate at inlet.
P, Q and R
P and R
R and S
P, Rand S
✅ The correct answer is option A.