30 Questions
What is the unit of pressure when K is equal to 0.4333?
psi
What is the pressure at a depth of 10 m below the surface of a lake?
98.07 kPa
What is the purpose of a conservation equation?
To account for all components being 'conserved'
What is the unit of density of milk in the given problem?
kg/m³
What is the value of u in the given equation?
3.09 m/s
What is the unit of the total head at a pipe outlet?
ft
What is the pressure at a depth of 2 m below the milk surface?
120.2 kPa
What is the Continuity Equation also referred to as?
Conservation of Mass
What is the primary reason for keeping velocities low in pipes?
To avoid high friction losses
What is the conversion constant used to calculate pressure energy?
0.4333 psi/ft
What is the main reason for a pressure difference in a pipe?
To produce flow of fluid
What is the contribution of the kinetic energy term to the total head?
A small amount
What is the requirement for the conservation of mass in Figure 4.02a?
Flow across plane 1 is equal to the flow across plane 2
What is the relationship between velocity and pipe diameter derived from Equation 4.02?
u1/u2 = d2/d1
What is the equation for the output flow in Figure 4.02b?
Q1 = Q2 + Q3
What is the unit of measurement for the change in volume of liquid in the tank?
m3
What is the value of the flow rate downstream of the tap in Example 4.3?
1.3 L/s
What is the formula used to find the velocity in the continuity relationship?
Q = A × u
What occurs when the Reynolds number is large in a flow?
Flow is turbulent with particles 'bouncing' about
What is the purpose of a weir or a flume in open channel flow?
To measure fluid flow rate
What is the primary factor that affects flow rate over a weir?
Fluid height above the weir
What is the purpose of charts for specific flume sizes?
To perform complex computations for flow
What is the shape of the weir described by the equation Q = 1.375 h^5/2?
Triangular weir with θ = 90°
What is the unit of measurement for Q in the equation Q = Cwh^n?
Cubic meters per second
What is the relationship between the flow rate and pressure difference across an orifice?
flow rate is directly proportional to the square root of pressure difference
What is the purpose of developing a calibration curve for a variable speed peristaltic pump?
to establish a relationship between pump speed and flow rate
What is the unit of flow rate in the orifice equation?
L/min
What is the relationship between the flow rate and the water depth above the weir opening in a triangular weir?
flow rate is proportional to the square root of the water depth
What is the orifice coefficient used to describe?
the discharge coefficient of the orifice
What is the purpose of measuring the pressure difference across an orifice?
to determine the flow rate
Solve problems related to fluid pressure, including calculating pressure at different depths and under various conditions. Practice with examples on milk storage tanks and lake surfaces.
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