Vidyalelo
Chemical Engineering · all questions

Fluid Mechanics
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

745

Questions

15/38

Page

Pick an option on a question to see the right answer and solution.

The phenomenon occuring during pumping of a liquid solution containing dissolved gases, which may come out of the solution giving rise to gas pockets, is termed as

Select an option to see the answer and solution.

The maximum delivery pressure of compressors can be upto __________ atmospheres.

Select an option to see the answer and solution.

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, then the new head will be __________ metres.

Select an option to see the answer and solution.

A mercury (specific gravity = 13.6) manometer connected across an orificemeter fitted in a pipe shows a manometer reading of 2 cms. If the manometer liquid is changed to carbon tetrachloride (specific gravity = 1.6), then for the same flow rate of water the new manometer reading will be __________ cms.

Select an option to see the answer and solution.

Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of

Select an option to see the answer and solution.

Discharge from a 24 inch pipe of water at 10 ft/sec will be __________ ft3/sec.

Select an option to see the answer and solution.

Minimum fluidisation velocity for a specific system depends upon the

Select an option to see the answer and solution.

The ratio of width to depth for the most economical rectangular section in open channel flow is

Select an option to see the answer and solution.

Drag is defined as the force exerted by the

Select an option to see the answer and solution.

Slugging in a fluidised bed can be avoided by using

Select an option to see the answer and solution.

Fluid flow through a packed bed is represented by the __________ equation.

Select an option to see the answer and solution.

Volute of a centrifugal pump should be designed in a fashion, such that the

Select an option to see the answer and solution.

In hindered settling, the particles are

Select an option to see the answer and solution.

The main factor on which the behaviour of a mass of fluidised solid depends mainly is the

Select an option to see the answer and solution.

For motion of spherical particles in a stationary fluid, the drag co-efficient in hindered settling compared to that in free settling is

Select an option to see the answer and solution.

Cavitation in a pump creates so many undesirable effects. Out of the following, which is not an undesirable effect created by cavitation?

Select an option to see the answer and solution.

An equipotential line is __________ to the velocity vector at every point.

Select an option to see the answer and solution.

Steady non-uniform flow is exemplified by flow through a/an

Select an option to see the answer and solution.

Pressure drop in packed bed for turbulent flow is given by the __________ equation.

Select an option to see the answer and solution.

Pressure drop in a packed bed for laminar flow is given by the __________ equation.

Select an option to see the answer and solution.