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Worksheetsfluid flow
Total questions: 20
Worksheet time: 20mins
Bernoulli’s principle is defined as the___________________________________________________________.
A. velocity in a fluid remains constant as the fluid’s pressure changes
B. pressure in a fluid remains constant as the fluid’s velocity changes
C. Pressure in a fluid decreases as the fluid’s velocity increases
D. Pressure in a fluid increases as the fluid’s velocity increases
Another name for laminar flow
Eddie flow
Zig Zag flow
Streamline flow
None of the above
2000<Reynold Number< 4000
Laminar Flow
Turbulent Flow
Transition Flow
Super Hulk Flow
How are a hydraulic system and pneumatic system different?
One is more powerful than the other.
One uses a gas, and the other uses a liquid.
One has a pump, and the other does not.
One has more valves than the other.
What is a manometer?
It gives answers to the exam
It measures liquid pressure.
It makes life easier
Shear stress in static fluid is
always zero
always maximum
between zero to maximum
unpredictable
INCLINED TUBE MANOMETERS can be estimated
P1 –P2 = g R (ρ A - ρ B) sin α
P1 –P2 =R (ρc – ρA) g
P1 = Ps + h1 ρ g
None of These
The velocity of the fluid at thin constriction may be written as in orifice meter
Co =Uo √ 2g ∆H
U0 = C0 √ 2g ∆H
∆H =CoU0√ 2g
√ 2g=∆H Co U0
Turbulent flow is characterized by _______
low flow rates
irregular and chaotic flow
regular streamlines
constant speed
The term fluids generally applies to:
solid and liquid
liquid and gas
solid and plasma
water only
State Bernoulli's principle as an equation
The pressure, the kinetic energy per unit volume and the potential energy per unit volume of the fluid is a constant
The pressure, the kinetic energy and the potential energy per unit volume of the fluid is a constant
sum of the pressure, the kinetic energy per unit volume and the potential energy per unit volume of the fluid is a constant
sum of the pressure, the kinetic energy per unit volume and the potential energy per unit volume of the fluid are equal
Which of the following options is not true about
the fluid shown in the figure below?
It is an ideal fluid
It has a steady flow
It has laminar flow
It has turbulent flow
Shear stress in the static fluid is
always zero
always maximum
between zero to maximum
unpredictable
Minor losses occur due to
sudden enlargement in pipe
sudden contraction in pipe
bends in pipe
all of the above
which one is rota-meter in the figure given below
Write the formula used to calculate flow rate
F=AV
F=AV2
F=PA
F=Mg
Minor losses occur due to
sudden enlargement in pipe
sudden contraction in pipe
bends in pipe
all of the above
