The loss of pressure head in case of laminar flow is proportional to

Related MCQs

• The velocity at which the flow changes from laminar flow to turbulent flow is called
• When the pipes are in series, the total head loss is equal to the sum of the head loss in each pipe.
• In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta.
• In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta.
• In an external or internal mouthpiece, the absolute pressure head at vena contracta is zero when atmospheric pressure head is 10.3 m of water.
• Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, in the direction of flow of the liquid, is known as
• Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, at right angles to the direction of flow of the liquid is known as lift.
• The flow in a pipe is neither laminar nor turbulent when Reynold number is
• For pipes, laminar flow occurs when Reynolds number is
• The velocity at which the laminar flow stops, is known as